Ductless Mini Split Sizing Guide

Ductless Mini Split Sizing Guide

Are you in the market for a mini-split heat pump? Before making a purchase, it’s essential to know how to size the system to ensure optimal performance and energy savings. A ductless mini-split system is an excellent way to heat and cool various areas of your home efficiently. The first step in choosing the right size mini-split for your home is to measure the specific dimensions of each room. With these measurements, you can determine the correct capacity needed to heat and cool each area effectively. It’s important to note that a system that is too small will struggle to heat or cool your space, while an oversized system will be inefficient and waste energy. Follow this mini split buying guide to help you choose the perfect size system for your home.

Why Proper Mini-Split Sizing is Important

Size matters when it comes to mini splits. Here are three reasons why:

  1. Comfort: An underpowered unit may not be enough for a room, while an oversized unit may struggle to maintain temperature and cycle on and off, causing wasted energy.
  2. Utility: An oversized unit can be inefficient in terms of initial and operating costs, space occupied, and power consumption. An undersized unit can lead to bigger bills as it needs to run for longer periods and on higher settings to cool the room.
  3. Short cycling: Oversized units can struggle to maintain the temperature in smaller spaces, resulting in more wear and wasted energy.

What Size Mini Split Do I Need?

A Guide to Choosing the Right Mini Split Size

If you’re looking for an energy-efficient way to cool your home, a ductless mini-split system can do the job. To ensure your mini-split can adequately cool your space, it’s crucial to choose the right size. First, determine the number of rooms you want to cool, and then calculate the square footage of those rooms. The capacity of the mini-split system is measured in BTUs, and the larger the space, the more BTUs are required. You can use a BTU-to-room sizing rule of thumb to estimate the mini-split BTUs per square foot needed for efficient cooling. Keep in mind that mini-splits can cool a larger area compared to portable air conditioners with the same BTU rating. Consider using a mini-split calculator to help you choose the appropriate size for your space.

To calculate the room size, follow these steps:

  • For square and rectangular spaces, multiply the length by the width.
  • For triangular spaces, multiply the length by the width, then divide by two.
  • For non-standard linear spaces, divide the room into squares, rectangles, or triangles as applicable, determine the size of each subplot, then add everything together.
  • For circular spaces, measure the diameter, divide it by two, square it, then multiply the result by π (3.14159265).

Other Factors to Consider

Aside from square-foot-to-BTU, several other factors can affect cooling performance, including:

  1. Heat load: The heat gained by the room from different sources such as insulation, windows, floors, ceiling, and location.
  2. Ceiling height: If higher than eight feet, increase your BTU total by the difference in height.
  3. Sunlight: If the room gets lots of suns, add 10%. Reduce the BTU by 10% if the room is heavily shaded.
  4. Room type: For kitchens, add 4,000 BTUs to compensate for heat emitted by appliances. For garages, consider the level of insulation and weather.
  5. Capacity: Add 600 BTUs for each additional person occupying the room regularly or for long periods.
  6. Insulation: Add 20% if the room is poorly insulated to compensate for heat loss.
  7. Location: Consider adding 30% BTUs if you live in the south or in climates that experience seasonal temperatures over 90 degrees Fahrenheit.

Indoor-to-Outdoor Unit Ratio

When installing a mini-split system, it’s important to consider the indoor-to-outdoor unit ratio. Multi-zone units allow you to connect several indoor units to one outdoor compressor. However, it’s important to ensure that the total load of the indoor units doesn’t exceed the outdoor unit’s capacity by more than 30%, depending on the model.

Proper sizing of a mini-split system is essential for optimal performance and energy-efficient cooling and heating of your home. Oversizing or under-sizing can result in reduced efficiency, higher energy bills, and premature wear and tear on the system. It’s important to consider factors such as the square footage of the space, insulation levels, and local climate, especially during heat waves when heat-related illnesses are a concern.

Using a mini-split calculator or consulting with a professional can help you determine the appropriate size and configuration for your mini-split system to ensure efficient and effective cooling and heating.

Looking for help in choosing the right size air conditioning unit for your space? We can help! Reach out to National Air Warehouse at 1-888-292-0874 for professional guidance and support. Our team of experts is committed to providing exceptional assistance, regardless of whether you purchase from us or not. With our years of experience and expertise in the industry, we can help you select the perfect unit for your needs. Contact us today to get started and stay cool this summer!

Portable Air Conditioners: Which Type Fits Your Needs – Vented or Ventless

Portable Air Conditioners: Which Type Fits Your Needs – Vented or Ventless

Portable air conditioners offer a convenient and flexible option for cooling rooms in homes or apartments. These devices can be moved from room to room, and they provide an excellent solution for renters or those who do not want to install a fixed AC unit. Portable air conditioners come in two types: vented and ventless. In this article, we will discuss the differences between these two types and help you determine which type of portable air conditioner is best for you.

What is a Portable Air Conditioner?

Portable air conditioners are a flexible option for cooling a room, allowing for easy movement to other spaces. Two types of portable ACs are vented and ventless. Vented portable air conditioners use a hose to vent out the hot air and moisture produced by the cooling process, while ventless units work by using evaporative cooling to cool the air. Evaporative air coolers use water instead of refrigerant to cool hot air. They do this by pumping water onto pads where hot air passes, causing the heat to transfer from the air into the water. Ventless portable ACs are better known as evaporative air coolers or swamp coolers. While vented units are ideal for hot and humid climates, ventless evaporative coolers require less installation and are more energy-efficient. However, they require more maintenance, such as topping off the water tank and replacing the cooling pads.

Types of Portable Air Conditioners

There are two main types of portable air conditioners: vented and ventless. Let’s take a closer look at each one.

Vented Portable AC

Portable air conditioners come in two main types: vented and ventless. Vented portable air conditioners are connected to a window kit and exhaust hot air and moisture outside using an exhaust hose. These units are ideal for hot and humid climates, as they can cool down a room more efficiently. However, vented portable air conditioners require more installation parts and space and are more energy-intensive compared to ventless units.

When comparing portable air conditioners to standard air conditioners, it’s important to consider the unit’s SEER rating and whether it has variable speed settings. A higher SEER rating indicates a more energy-efficient unit, while variable speed settings allow the unit to adjust its cooling output based on the room’s temperature and humidity.

Ventless Portable Air Conditioner

A ventless portable air conditioner, also known as a windowless or hoseless portable AC, is an easy-to-install solution for cooling small spaces without a window vent kit. This type of unit does not require an exhaust hose or vent to expel hot air and moisture, making it ideal for apartments, condos, and RVs. Ventless AC units work by using an evaporative process to cool down the air, which involves pumping water onto pads where the hot air passes, transferring heat from the air and into the water. These units have a lower SEER rating and are not suitable for humid climates. Additionally, they require more frequent water collection and maintenance, such as topping off the water tank and replacing the cooling pads. Overall, a ventless portable AC can be a cost-effective and convenient cooling option for those who do not have access to a standard window AC kit.

Vented vs. Ventless Portable Air Conditioners: Which is Better?

When it comes to choosing a portable air conditioner, deciding between a vented and a ventless unit is important. The decision is largely based on your location and personal preferences. For those living in hot and humid climates, a vented portable air conditioner is likely the better option. These units are effective at cooling down a room but require a nearby window and enough space for the hose to run. They can also be more expensive to operate due to their energy consumption.

However, if you live in a dry climate, a ventless portable air conditioner may be the best choice. These unvented portable air conditioners use an evaporative process to cool down the air and do not require a hose or vent. They are also more energy-efficient, which can save you money on your energy bill. However, they do require more maintenance, such as topping off the water tank and replacing the cooling pads. They also may not cool down the air as much as vented units and are not effective in humid climates.

One of the advantages of a ventless portable air conditioner is the ease of installation. They do not require a portable ac window kit or any complex installation procedures. Instead, you simply plug them in and turn them on. On the other hand, vented units require more effort and planning, including finding the right location near a window and installing the window kit properly.

Another consideration is the heat pump. Ventless portable air conditioners do not have a heat pump, which means they are not effective in heating the air in the room. However, some vented units have a heat pump that can both heat and cool the air, making them more versatile and convenient.


In conclusion, choosing between a vented and ventless portable air conditioner depends on your location and preferences. While vented units are more effective in hot and humid climates, ventless units are easier to install and more energy-efficient. It’s important to consider all the factors, including the need for a portable AC window kit and heat pump, before making a decision.

Need help choosing the perfect air conditioning unit? Get in touch with National Air Warehouse now at 1-888-292-0874 for expert guidance and assistance. Our team is dedicated to offering top-notch support, whether or not you buy from us. Don’t hesitate to contact us today to benefit from our wealth of knowledge and experience.

Comprehensive Guide to Point-of-Use Water Heaters

Comprehensive Guide to Point-of-Use Water Heaters

A Comprehensive Guide to Point-of-Use Water Heaters

Hot water is a necessity in every household, but waiting for it to arrive can be time-consuming and frustrating. Fortunately, point-of-use (POU) water heaters are here to solve this problem. In this article, we will provide a comprehensive guide to POU water heaters, including their types, benefits, and when to choose them.

What is a Point of Use Water Heater?

A point-of-use (POU) water heater is a small and compact device that heats water close to where it is needed. This type of heater is ideal for areas where hot water demand is low or intermittent, such as under sinks, in guest houses, or in RVs. It can easily be integrated into the existing plumbing system, and it’s often referred to as a “point-of-service” water heater or an “on-demand” POU water heater.

There are two main types of POU water heaters available: tank and tankless. Tank POU water heaters are designed to look like miniature versions of traditional tank water heaters, with sizes ranging from 2.5 to 20 gallons. In contrast, tankless POU water heaters do not store heated water and only heat water when a tap is turned on. Tankless POU water heaters have a smaller footprint than tank POU water heaters, but there may be a slight delay in hot water delivery.

POU water heaters are also available in different designs based on their location, including under-sink, over-sink, and wall-mounted models. A tankless heater is the most compact option as it does not require storage space, while a point-of-use tank water heater is perfect for spaces where a tankless model may not be feasible.

What are the Benefits of a Point of Use Water Heater?

Energy Efficiency: Water heating is the second highest energy use in residential homes, second only to HVAC, and can account for nearly 20% of a typical home’s electric bill. The Energy Star initiative shows that even homes equipped with a central water heater can benefit from POU water heaters, as they can help reduce heat loss in the water distribution system. POU heaters can restore the hot water temperature in fixtures farthest from the central heater. Compared to increasing the temperature setting of the central storage water heater, POU heaters can be advantageous in terms of energy efficiency. POU heaters can also be a better choice when heating water for a hot tub.

Utility Savings: According to the DOE, homeowners can lower their monthly water heating costs by as much as 50% by using POU water heaters at each water outlet. This translates to a minimum savings of $100 annually when using a POU water heater.

Longevity: Tank water heaters typically have a 10-15 year life expectancy, while tankless water heaters can last up to 25 years with proper maintenance. Additionally, tankless POU heaters are much easier to replace compared to bulky central storage tank units.

When Does a POU Water Heater Make Sense?

POU heaters are ideal for the following cases:

  • Smaller homes with limited fixtures: POU heaters make better sense in homes with only one bathroom and a limited number of hot water outlets, such as a kitchen sink and washing machine.
  • Larger homes with distant water outlets: Heat loss can be an issue for large residences. Even with well-insulated pipes, the farther the water has to travel from the central heating tank, the cooler it gets when it reaches its intended destination. A POU heater can boost the temperature at the endpoint without having to raise the temperature of the storage tank itself.
  • Infrequent hot water use: Homes with less hot water demand can save a lot by using POU heaters, instead of relying on a wasteful storage tank heater that keeps water heated even though it’s infrequently needed.
  • Low-demand fixtures: POU heaters excel in water outlets that are rarely used, such as guest rooms or powder rooms.
  • Homes with limited space or plumbing issues: POU heaters can easily fit under most sinks, especially the tankless models. They can also be installed right into the existing pipe.

Step 1: Determine your hot water consumption

Before choosing a POU water heater, you should know how much hot water you use for each fixture. For example, a bathroom faucet requires 2 gallons per minute (gpm) with a minimum pressure of 8 pounds per square inch (psi), while a bathtub requires 5 gpm and a minimum pressure of 8 psi. You can find the flow rate and pressure requirements for all your water fixtures online or in their user manuals.

Step 2: Determine the type you need

There are two types of POU water heaters: tankless and tank. Tankless heaters are more energy-efficient because they only heat water when you need it, while tank heaters store hot water in a tank until it’s used. Tankless POU heaters typically have a flow rate of 0.35 to 0.5 GPM, while mini-tank POU heaters can hold 2.5 gallons. Larger tank POU heaters can hold between 4 to 19 gallons.

Step 3: Determine the size

If you choose a tank POU heater, you’ll need to decide on the tank size and recovery rate. The tank size is how much hot water the tank can hold at any given time, while the recovery rate is how quickly the unit can heat new water. In general, higher wattage means shorter recovery time.

Here are some of the best POU water heaters for 2023

Budget tankless POU water heater:

The EEMAX EMT1 1.5 Gallon Electric Utility Water Heater, 120 Volt is a small and affordable option. It measures just 14×10 inches, making it easy to fit in tight spaces. It includes an adjustable thermostat to control the temperature, and an indicator light to let you know when water is being heated.

Premium tankless POU water heater:

The Bradford White 2 Gallon Electric Utility Water Heater, 120 Volt is a more expensive option, but it has a 90°F recovery rise of about 7 minutes and an ETL rating for HUD Mobile Home Construction and Safety Standards for Energy Efficiency. It also comes with fully automatic controls and the brand’s Vitraglas® Lining enamel layer, which protects the unit from the corrosive effects of hot water for a longer lifespan.

Mini-tank POU water heater:

The Bradford White RE16U6-1NAL 6 Gallon Electric Utility Water Heater, 120 Volt is a great option for those who need a bit more hot water. It can store up to 6 gallons, which is enough to service a dishwasher load or a 5-minute hot shower. At less than 17 inches tall, it’s compact enough to fit in tight spaces.

Larger-capacity tank POU water heater:

The Bradford White RE120U6-1NAL 19 Gallon Electric Utility Water Heater is a larger-capacity option that combines the storage capacity of conventional tank water heaters with the compact size and energy efficiency of POU heaters. It’s a great choice for situations where hot water demand is intermittent but space is at a premium, such as small boats, RVs, or wet bars. It also boasts fully automatic controls, Vitraglas enamel lining, and an ETL HUD Mobile Home Construction and Safety Standards for Energy Efficiency

Looking for a high-quality water heater and exceptional customer service? Look no further than National Air Warehouse! Check out our selection of top-rated water heaters from trusted brands. Our knowledgeable team is always available to help you choose the right product that fits your needs and budget. Contact us at 1-888-292-0874 or visit our website to learn more. With National Air Warehouse, you can shop with confidence knowing your satisfaction is our top priority.

Hot Water Recirculation Pumps: Instant Comfort, Lower Costs

Hot Water Recirculation Pumps: Instant Comfort, Lower Costs

If you’re looking for the best hot water recirculation pump that is also energy efficient, you’re in luck! These pumps not only save time and water but also help reduce your energy bills. With the latest technology and design, the best hot water recirculation pumps can bring hot water to your faucet in just a matter of seconds, without wasting gallons of water down the drain. By recirculating hot water through the plumbing system, these pumps can save you time and energy, while also reducing your carbon footprint. So, if you want to upgrade your home with an energy-efficient hot water recirculation pump, do your research and choose the best one that meets your needs and budget.

What Are Hot Water Recirculating Pumps?

Hot water pumps are a convenient solution for those tired of waiting for hot water to reach their faucets. These pumps are installed in the hot water line and help to reduce the time it takes for hot water to reach the faucet. They also reduce water wastage, as less cold water is wasted while waiting for hot water. Hot water recirculating pumps work by continuously circulating hot water through the hot water line, while a check valve prevents it from flowing back into the return plumbing line. They are an energy-efficient solution and can save homeowners money on their energy bills. The Watts 500800 is one of the best hot water recirculation pumps on the market, known for its durability and energy efficiency.

What Are the Different Types of Hot Water Recirculation Pumps?

Hot water recirculation pumps come in two types – full recirculating pumps and comfort systems. Full recirculating pumps use a dedicated hot water return line connected to the plumbing system, making them more efficient in delivering hot water quickly. Comfort systems, on the other hand, utilize the existing cold water line as the return line, making them a more budget-friendly option. They may take longer to deliver hot water, but they still provide a faster hot water delivery than the standard hot water line. These pumps are easy to install, making them an excellent choice for those who want a hot water solution without the need for professional help. Natural gas water heaters are also compatible with hot water recirculation pumps, ensuring that the pump’s energy-efficient capabilities are maximized.

What Are the Benefits of a Hot Water Recirculation System?

Hot water recirculation systems offer several benefits, including:

  • Convenience: Hot water is instantly available on tap, reducing waiting time.
  • Increased water savings: Recirculation systems reduce water wastage and provide nearly instant hot water for use.
  • Lower utility costs: Hot water recirculation pumps can lower the cost of heating water by reducing the amount of hot water needed.
  • Smart heating: Some pumps are equipped with timers, reducing unneeded heating and costs.
  • Rebates: Some cities offer rebates on the purchase and installation costs of recirculating systems.

What Are the Drawbacks of a Hot Water Recirculation System?

There are several drawbacks to hot water recirculation systems, including:

  • Requires a power source near the installation site
  • Model limitations
  • Cold climate limitations
  • Requires good plumbing systems
  • Rebate requirements

What to Look for in a Recirculating Pump

A crucial factor to consider when choosing a recirculating pump is the type of water heater you have. Hot water storage tanks work well with full recirculating pumps, which require a dedicated hot water return pipe. In contrast, tankless hot water heaters are better suited for comfort systems that use the existing cold water line to return unused hot water.

Another essential aspect to keep in mind is the heat loss that occurs in the hot water return pipe. The longer the pipe, the more heat loss there is, resulting in increased energy consumption. To minimize heat loss, it’s advisable to insulate the hot water return pipe.

When selecting a recirculating pump, make sure it’s easy to install, and consider its energy efficiency to keep utility bills low. Choosing an energy-efficient pump can make a significant difference in energy consumption, saving you money in the long run.

If you’re searching for a reliable water heater and excellent customer support, National Air Warehouse has got you covered! Explore our range of high-rated water heaters from reputable brands. Our experienced team is available to assist you in selecting the perfect product that matches your requirements and budget. You can contact us at 1-888-292-0874 or browse our website to learn more. With National Air Warehouse, you can shop with confidence knowing that we prioritize your satisfaction above all else.

Natural Gas Garage Heaters: A Comprehensive Guide

Natural Gas Garage Heaters: A Comprehensive Guide

An Overview of Natural Gas Garage Heaters

Garages are generally not as well-insulated as the rest of the home, making garage heating essential for those with a workshop, storage area, or anyone who desires a more comfortable environment when entering and exiting their vehicle. This guide will discuss natural gas garage heaters and what to consider when choosing one.

What are Garage Heaters?

Garage heaters are heating devices that help to warm indoor garages. These heaters come in two types: portable and fixed. Portable garage heaters are smaller and easy to move around, while fixed garage heaters are more efficient but larger. These heaters use three power sources, namely electric, propane, and natural gas. Natural gas and propane heaters are more cost-effective, but electric heaters require less maintenance and are smaller in size. The warm air generated by these heaters helps to provide a comfortable environment in garages. Propane tank garage heaters are more convenient for those who do not have access to natural gas. When choosing a garage heater, it is important to consider factors such as the size of the garage, the type of heater required, and the power source.

Ideal Settings for Natural Gas Garage Heaters

Natural gas garage heaters are an efficient way to warm up larger garages or workshops with higher ceilings. With the ability to produce hot air quickly, they are ideal for colder climates and homes that already have natural gas service. These heaters are typically fixed and installed by a professional, ensuring optimal safety and functionality. Natural gas is a cost-effective fuel source, making it a popular choice for those looking to save money on heating costs. If you have a larger garage and live in a colder climate, a natural gas garage heater could be the perfect solution to keeping your workspace comfortable during the winter months. It’s always important to follow manufacturer instructions and safety guidelines when using any type of heater.

Types of Gas Garage Heaters

Garage heaters can make your garage a more comfortable space, especially in cold weather conditions. Gas garage heaters come in different types based on the heating technology, including forced air gas heaters, convection gas heaters, and radiant heaters. Forced air gas heaters are designed to actively draw cold air in with a fan, while convection gas heaters warm up the air in their immediate surroundings. Radiant heaters, on the other hand, are ideal for smaller garages and can heat specific areas effectively.

Apart from gas heaters, electric garage heaters, and ventless gas garage heaters are also available. Electric garage heaters are smaller, require less maintenance, and are more portable than their gas counterparts. Ventless gas garage heaters provide heat without needing any ventilation system, making them a great option for garages without any ventilation.

Overall, when choosing a garage heater, consider your garage size, ceiling height, and heating requirements, and choose the best option from electric garage heaters, ventless gas garage heaters, or natural gas garage heaters based on your needs.

Propane vs Natural Gas: Which is Better?

When it comes to choosing between propane and natural gas as fuel sources for space heaters, availability is a crucial factor. If natural gas is available in your location, it’s generally more cost-efficient. However, each type of gas has its unique burning properties, which means that the heater must be set up or converted to use a specific fuel type. In terms of energy efficiency, both propane and natural gas are relatively efficient, with a blue flame and ventless gas garage heaters being particularly efficient options for propane. Ultimately, the best choice depends on your specific needs and preferences.

Choosing a Gas Garage Heater

When selecting a gas garage heater, key factors to consider include heating capacity, safety features, a programmable thermostat, and oscillating vents for larger garages. Safety features should comprise overheating protection, auto shut-off, and a cool-touch exterior. The type of gas garage heater, such as wall heaters, portable heaters, or natural gas heaters, should be selected based on the garage’s size, insulation, and fuel availability. It’s critical to insulate your garage to keep the heat inside and reduce energy bills. Consider an energy-efficient blue flame or ventless gas garage heater, depending on the garage’s usage frequency and your preference for energy sources.

Installing a Gas Garage Heater

Both propane and natural gas garage heaters require the same installation process. Choose a location for the heater, lay down the appropriate gas pipe, and ensure the connections are secure. A thermostat is required, and for the most accurate reading, it should be placed five feet off the ground.

Looking for expert guidance in choosing the right garage heater for your space? Contact us at National Air Warehouse today at 1-888-292-0874 to receive exceptional assistance from our knowledgeable team. Whether you’re in the market for a natural gas heater, a ventless gas heater, an electric garage heater, or any other type of space heater, we have the expertise to help you make the right choice. Benefit from our years of experience in the industry and let us guide you toward the perfect garage heater solution. Don’t hesitate, to contact us today to get started.

New CEER Standards for Window ACs in 2023

New CEER Standards for Window ACs in 2023

The US Department of Energy (DOE) has recently announced updated energy efficiency standards for window air conditioners, set to take effect from March 2023. These new standards aim to reduce carbon dioxide emissions and lower energy bills for consumers by mandating a higher minimum Combined Energy Efficiency Ratio (CEER) for window AC units. All new window air conditioners manufactured or imported into the US from 2026 will be required to meet the new minimum CEER rating. As consumers become more environmentally conscious and seek to reduce their energy consumption, it’s essential to understand how to choose an energy-efficient window air conditioner.

This article provides a comprehensive overview of the updated CEER standards, including the significance of Energy Star certification and how it relates to the updated standards. We will also explore the benefits of higher efficiency ratings and provide tips for choosing an energy-efficient window air conditioner. By making informed decisions about window AC units and other energy-efficient options such as LED light bulbs, consumers can save money and make a positive impact on the environment.

What is CEER?

The CEER rating, or Combined Energy Efficiency Ratio, is a crucial measure of a window air conditioner’s energy efficiency. By choosing a unit with a higher CEER rating, consumers can reduce their carbon footprint and save money on their utility bills. The CEER rating is displayed on the EnergyGuide label, which is mandated by the Department of Energy (DOE). It is important to note that EnergyStar-certified units typically have a higher SEER rating, indicating that they are at least 10% more efficient than the federal minimum standards. The SEER rating, or Seasonal Energy Efficiency Ratio, measures the cooling output of HVAC systems over a typical cooling season.

Consumers should consider both the CEER and Energy Star ratings when shopping for a new window air conditioner to ensure they get the most energy-efficient unit for their home. By choosing a unit with a higher CEER rating, consumers can reduce their energy consumption and lower their environmental impact. Additionally, they can consider other energy-efficient options such as LED light bulbs to further reduce their energy bills. Making smart choices when it comes to home energy use can have a significant impact on both the environment and the wallet.

The New CEER Standards

The Department of Energy (DOE) is set to introduce new energy efficiency standards for window air conditioners from March 2023. The updated standards will require a higher minimum Combined Energy Efficiency Ratio (CEER) of 12.8 for smaller air conditioners with a cooling capacity of fewer than 8,000 BTU/h. The higher minimum CEER will apply to new window air conditioners manufactured or imported in the US by 2026. The new standards will help consumers save money on their energy bills and reduce carbon dioxide emissions over time. Consumers are encouraged to look for Energy Star-certified units, which typically have a higher CEER rating and are at least 10% more efficient than the federal minimum standards.

 Moreover, the Environmental Protection Agency (EPA) requires a minimum SEER rating of 13 for new heat pumps, which measures the cooling and heating efficiency. These updated standards aim to improve the energy efficiency of window AC units and reduce their environmental impact. Consumers need to consider both the CEER and Energy Star ratings when purchasing a new window air conditioner to ensure they get the most energy-efficient unit for their home. By making energy-efficient choices, consumers can save money on their energy bills while also reducing their carbon footprint.

How to Choose an Energy-Saving Window Air Conditioner

The new CEER standards for room air conditioners have made it more important than ever to choose an energy-efficient window air conditioner for your home. In addition to the convenience and ease of use provided by smart window air conditioners, a higher SEER rating can lead to lower energy bills and reduce your carbon footprint.

Consumers who prioritize energy efficiency may want to consider a Wi-Fi-enabled window air conditioner. These units can be controlled remotely through a smartphone app, allowing for more precise temperature control and the ability to turn off the unit when not in use. Some models even have built-in sensors that adjust the cooling output based on room temperature and humidity levels.

When shopping for a new window air conditioner, there are a few key factors to consider. First, you’ll want to make sure the unit is appropriately sized for the room it will be cooling. An undersized unit will have to work harder to cool the room, while an oversized unit can waste energy and result in higher bills.

In addition to size, it’s important to consider the unit’s energy efficiency rating. Look for the CEER rating, which is displayed on the EnergyGuide label mandated by the Department of Energy (DOE). Energy Star-certified units typically have a higher CEER rating and are at least 10% more efficient than the federal minimum standards.

By making smart choices when it comes to your home’s energy use, you can make a positive impact on the environment while also enjoying significant cost savings. When purchasing a new window air conditioner, be sure to consider factors like size, energy efficiency rating, and smart features like WiFi connectivity for the best results.


The new CEER standards for window AC units will lead to greater energy efficiency and lower electricity bills for consumers, while also reducing carbon dioxide emissions. The adoption of these standards will make it easier for consumers to choose air conditioners that meet the higher energy efficiency standards, including Energy Star-certified models that exceed the minimum requirements. By 2026, new window air conditioners manufactured or imported into the US will need to meet the new CEER standards, resulting in significant savings for consumers and positive environmental impacts.

To make an informed decision when purchasing an energy-efficient window air conditioner, it is important to have all the necessary information at your disposal. For expert advice on the most energy-efficient models and to find the perfect unit for your home, you can contact National Air Warehouse at 888-292-0874. Their knowledgeable team can provide you with detailed information on each unit’s energy efficiency rating, features, and compatibility with your home’s existing setup. Don’t hesitate to call and take the first step towards a more energy-saving home.

Troubleshooting Gas Hot Water Heaters: Common Problems and Fixes

Troubleshooting Gas Hot Water Heaters: Common Problems and Fixes

A gas hot water heater is a convenient appliance to have in your home, especially during cold weather. It provides you with hot water for bathing, cleaning, and cooking. However, when it starts to malfunction, it can cause major disruptions to your daily routine. One of the best ways to avoid unexpected breakdowns is to identify and troubleshoot common issues before they escalate.

If you’re experiencing problems with your gas hot water heater, don’t panic. This article will guide you through the most common issues you might encounter and their solutions. But first, it’s important to verify that you have a gas hot water heater and not an electric one. While gas heaters use natural gas or propane to heat water, electric heaters use a heating element. This article will focus on troubleshooting gas hot water heaters.

Read on to learn how to identify and solve common gas hot water heater problems such as no hot water, insufficient hot water, strange noises, and leaks. With the right information, you can troubleshoot and fix most issues without the need for professional help.

Here are 7 common problems you may encounter with your gas hot water heater and how to solve them:

  1. No hot water throughout the house: If the water coming out of the tap or shower is cold, it could be due to one of several possible issues.
  • Thermostat: Check if the thermostat is adjusted to the correct temperature.
  • Pilot light: Check if the pilot light is on and relight it if necessary. If it still won’t work, call a professional.
  • Dirty water tank: Impurities in the water supply cause sediment to build up over time, which can settle at the base of the tank, insulating the water from the heating element. 
  • Flush the tank and ensure there is no mineral buildup at the bottom.
  1. Water is lukewarm: 
  • Clogged tank: An unflushed tank can have a layer of sediment blocking the water from the heat source. Flush and clean the tank to ensure proper heating.
  • Damaged dip tube: One common issue in water heater troubleshooting is a damaged dip tube, which can affect both traditional tank-style water heaters and tankless water heaters. The dip tube is responsible for supplying cold water to the bottom of the tank, where it is heated. If the dip tube is damaged or broken, it can allow the flow of cold water back up to the top of the tank, where it mixes with the hot water and reduces the overall temperature of the supplied water. To fix this problem, the dip tube must be replaced, which can be done by a professional plumber or a skilled DIYer. In tankless water heaters, the dip tube is not applicable, but similar issues can occur with the heating elements or flow sensors, which may require professional water heater repairs.
  1. No hot water in a specific part of the house: If only a specific tap or room doesn’t receive             hot water,  it’s likely a problem with the water supply.
  • Closed valve: Make sure the hot water valve is open all the way.
  • Cross-connection issues can cause problems with your hot water recirculating pumps. If you notice that cold water is getting into your hot water pipe, it could be due to a damaged mixing valve. A simple solution is to replace the shower or mixing valve to ensure that cold water is not mixing with hot water.
  • Pipe deposits: The water pipes may have a mineral buildup that restricts the water flow to the hot water pipe. This commonly occurs at elbow joints or old steel pipes.
  •  . Ice buildup: Frozen pipes can block water flow to certain areas of the house, especially those exposed to colder temperatures.
  1. Check valve issue: Hot water recirculating systems can encounter a check valve issue. A  broken check valve can lead to cold water mixing with the hot water pipe, causing lukewarm water issues. 

Additionally, gas control valves can malfunction, resulting in a lack of hot water. It is important to check these valves regularly and perform repairs as necessary to maintain the proper functioning of the hot water system.

  1. Dirty or discolored water: Murky or rust-colored water is not only a headache but also a health hazard.

 If you own a gas water heater, you may encounter issues such as dirty or discolored water,    which can be both an inconvenience and a health hazard.

  • Cloudy water is a common problem and usually indicates a buildup of minerals, such as calcium and magnesium, in the hot water tank. Flushing the tank can often resolve the issue. However, if it occurs frequently, it may be due to the water supply in your area, and installing a water softener could be necessary.
  •  If the water appears rusty, this can indicate corrosion in the anode rod, water tank, or water pipes. If rust is visible in the stored water in the tank, it may be time to replace the hot water tank.
  • To prevent these issues, it’s important to perform regular maintenance on your natural gas water heater, including checking the anode rod, flushing the tank, and inspecting the gas valves. If you encounter any problems, consult a professional to ensure your gas water heater is running safely and efficiently.
  1. Foul odor: A foul odor emanating from the water can also be dangerous to health.

Bad (but not sulfuric) smell: Bad odors could mean bacteria, which can multiply in the growth-inducing hot water. Flushing the tank and replacing the anode rod can minimize the chances of any anaerobic bacteria surviving.

If your heat suddenly stops working, don’t worry about catching a chill. Our team of skilled technicians is always available to help, even on holidays, 24 hours a day. Simply give us a call and we will schedule your appointment right away, ensuring your comfort is restored promptly. Call us  at 888-292-0874 to speak with one of our experts and find the perfect solution for your needs.

Casement Window Air Conditioners: A Guide

Casement Window Air Conditioners: A Guide

Casement windows offer a visually appealing option for homeowners, with better ventilation and natural light. However, standard rectangular air conditioning units may not be suitable for these windows. Luckily, there are casement window air conditioners available that are designed to fit perfectly. These air conditioners are specifically engineered to fit casement windows and provide effective cooling. The American Society of Heating, Refrigerating, and Air Conditioning Engineers recommends using properly sized and installed AC units to ensure efficient and comfortable cooling.


What are Casement Windows?

Casement windows are a great choice for well-ventilated rooms like kitchens and bathrooms. These windows open outwards through a crank handle, providing maximum airflow. They lack frames in the middle of the glass, offering an unobstructed view of the outside and letting in more light, similar to picture windows. Compared to sash windows, casement windows have stronger seals, making them more energy-efficient. To maximize the benefits of your casement windows, consider investing in a room-to-room Zoneaire portable air conditioner. These units are easy to install and do not obstruct the window, providing a cost-effective and space-saving solution for cooling your room.


What are Casement Window Air Conditioners?

When it comes to heating and cooling a single room, wall room air conditioners are a popular choice. These ACs, also called through-the-wall air conditioners, are installed directly into the wall, providing a more permanent heating and cooling solution than casement window air conditioners. Wall room air conditioners are designed to fit into a sleeve that is installed into the wall, with the AC unit then sliding into the sleeve. They are typically more energy-efficient than window units and can also provide better indoor air quality by filtering out pollutants and allergens. The size of the room is an important factor to consider when selecting a wall room air conditioner as they come in various sizes to accommodate different room sizes. For those looking for the best garage air conditioners, wall room air conditioners with heating capabilities are an effective option that can provide reliable heating and cooling throughout the year. Heating refrigerating and air (HVAC) professionals can provide advice on selecting the right unit for your garage or home.


Casement Window AC vs Other Window Air Conditioners

When it comes to cooling a room, homeowners have several options to choose from, including traditional window ACs, sliding window ACs, casement ACs, and mini splits. While traditional and sliding window ACs have a box-type body and are wider than they are tall, casement ACs are specifically designed to fit narrow, vertically-swinging casement windows. They are typically more expensive than traditional window ACs but offer a sleek and compact design that makes them ideal for narrow window openings.

Another option for cooling a room is mini splits, which do not require a hole in the wall as casement ACs do. Mini-splits consist of two units – an indoor unit and an outdoor unit – and are connected by a conduit. They are energy-efficient and easy to install, making them a popular choice for homeowners.

In summary, casement ACs are a great option for those with narrow, vertically-swinging windows who want a compact and efficient cooling solution. However, mini splits offer an even more energy-efficient and flexible alternative that does not require a hole in the wall. Ultimately, the best cooling solution depends on the homeowner’s specific needs and preferences.


Casement AC vs Portable AC

When considering options for cooling and heating a room, homeowners can choose between casement window air conditioners and portable units. Portable air conditioners are available in two types: vented and ventless. Vented portable air conditioners require an exhaust hose that must be directed outside through a window. On the other hand, ventless units are less efficient but do not need any windows for ventilation. The advantage of using portable air conditioners is that they do not obstruct the casement window and are more affordable and easier to install compared to window ACs. However, it is important to note that portable air conditioners with heat pumps are generally more energy-efficient and can save homeowners money in the long run, according to the Department of Energy. In summary, for those who want a cost-effective and space-saving option for air cooling and heating, a portable unit with a heat pump is worth considering.


How to Choose a Casement Window AC

When choosing a casement window AC, there are several things to consider:

  • Determine the window dimensions: All casement ACs are less than 15” wide. However, you need to take into account the crank window installation kit, which can add an extra inch to the total width. Manufacturers typically provide a minimum window width in the specs sheet. The industry standard is a 15 ½” minimum window width. Make sure the AC’s specified minimum window width and maximum window height fall within your casement window dimensions.
  • BTU sizing: The cooling capacity of all AC units is measured in BTU (British Thermal Unit). While standard window ACs can go up to 15,000 BTUs, casement window ACs have a typical upper capacity of 8,000 to 10,000 BTUs owing to their narrower design. Use a BTU calculator to determine the required capacity for your particular room.
  • EER: EER stands for Energy-Efficiency Ratio, which is a measure of energy efficiency derived by dividing the BTU by the wattage. The higher the EER, the more energy-efficient the unit is.

Looking for the best portable AC unit for your casement window?

Look no further than the Frigidaire FFRS0822SE 8000 BTU Slider/Casement Window Air Conditioner.

  • This portable air conditioner unit is specifically designed for slider and casement windows, with an 8,000 BTU cooling capacity and 10.8 EER. It can cool spaces up to 350 sq. ft., depending on ceiling height.
  • The FFRS0822SE comes with electronic digital controls for easy use, as well as a full-function remote control. It also has a 3-speed fan, sleep mode, and auto restart in case of a power failure.
  • Not only is this unit efficient and effective, but it is also sleek and stylish, fitting seamlessly into any room. If you’re in the market for the best portable AC unit for your casement window, the Frigidaire FFRS0822SE is worth considering.


Looking for guidance in selecting the best air conditioning units? Contact National Air Warehouse at 1-888-292-0874 for professional advice and assistance. Our team is committed to providing exceptional support, regardless of whether you purchase from us or not. Connect with us today to benefit from our expertise and experience.

SEER Rating Guide: Choosing the Right Efficiency Rating for Your AC

SEER Rating Guide: Choosing the Right Efficiency Rating for Your AC

SEER rating, or Seasonal Energy Efficiency Ratio, is a critical factor in determining an air conditioning system’s energy efficiency. To get the best value for your money, it’s essential to choose the appropriate SEER rating for your air conditioner. This guide will discuss SEER and whether a higher rating is worth the annual operating cost, the difference in efficiency between a 16 and 14 SEER system, and whether a high or low average cost per kWh is better. Additionally, we’ll examine the impact of SEER rating on your income statement, taking into account your operating hours and electricity rates per kWh.


Understanding SEER

SEER stands for Seasonal Energy Efficiency Ratio, and it measures the efficiency of a new air conditioning system by comparing the cooling output to the energy consumed during a typical cooling season. A higher SEER rating indicates better energy efficiency and may be required to meet efficiency standards in some areas.


What is a Good Seasonal Energy Efficiency Ratio for an Air Conditioner?

The minimum SEER rating for air conditioners produced in the US is 14, as set by the US Department of Energy. However, SEER ratings can go as high as 23 for some high-end models. So, how do you know what a good SEER rating is for your air conditioner?

The answer to this question depends on several factors, such as the climate in your area, the size of your home, and how often you use your air conditioner. Generally speaking, if you live in a warm climate and use your air conditioner frequently, a higher SEER rating is recommended. Conversely, if you live in a cooler climate or use your air conditioner infrequently, a lower SEER rating may be sufficient.


Is a Higher SEER Rating Worth It?

When selecting an air conditioning system, a high SEER rating can lead to better energy efficiency and ultimately lower energy bills. However, it can also mean a higher initial cost. To determine whether a higher SEER rating is worthwhile, consider your budget, annual cost, and energy consumption patterns. By evaluating these factors, you can find a system that strikes a balance between efficiency and affordability, ultimately providing long-term savings and greater comfort.


How Much More Efficient is a 16 SEER vs. a 14 SEER?

Upgrading to a 16 SEER air conditioning system can provide a significant improvement in energy efficiency, with approximately 14% greater efficiency than a 14 SEER system. However, it’s important to note that SEER ratings do not account for cooling capacity, which is also a crucial factor to consider when choosing an air conditioner. It’s essential to select an air conditioning system with a SEER rating that matches your cooling needs to ensure optimal energy efficiency and comfort in your home. Consider consulting with a professional HVAC technician to determine the best SEER rating and cooling capacity for your specific needs.


What SEER Rating Should I Buy?

When it comes to purchasing an air conditioner, the SEER rating is a crucial factor to consider. A higher SEER rating means better energy efficiency and lower operating costs. However, the SEER rating you choose should be based on your specific needs and circumstances. Factors such as your budget, energy consumption habits, and climate in your area all play a role in determining the ideal SEER rating for your air conditioner. By choosing an appropriate SEER rating, you can ensure that you’re getting the most efficient system for your needs while also keeping costs manageable.


Is It Better to Have a High or Low SEER?

When selecting an air conditioning system, keep in mind that a higher SEER rating can indicate better energy efficiency, but it can also result in a higher upfront cost. It’s crucial to take into account your budget and energy requirements, such as your annual kWh consumption and cost, to find the perfect balance. Additionally, consider choosing a split system, which separates the condenser and compressor from the indoor air handler. This can provide more flexibility and potentially better energy efficiency by allowing you to only cool the rooms you’re using at any given time.


SEER Rating Calculator

To determine the operating cost of an air conditioning system based on its SEER rating, you can use a SEER rating calculator. Here’s how the formula works:

Divide the cooling system’s rated BTUs by its stated SEER rating to determine how many watts it consumes per hour.

Multiply the result by the number of hours the system operates annually to determine the total number of watts consumed on an annual basis.

Divide the total number of watts by 1000 to convert it to kilowatt-hours, which is how energy usage is billed.

For example, let’s say you have a 3-ton air conditioning system with a SEER rating of 15. The formula would be as follows:

36,000 BTUs (3 tons) ÷ 15 SEER