by admin | Jun 27, 2016 | A/C Unit
Air Conditioner
Air conditioner units are considered closed cycle system because of the condensation of coolant that transforms to liquid, forcing coolant to expand and then vaporize, after which it uses heat from its transfer coils to pump into the cooling tower. Subsequently, it re-condenses and passes through the same closed cycle system again.
The Vaporization
When vaporization of the coolant takes place, it does one of two things:
- Absorbs the necessary heat for vaporization
- Changes its pressure to the energy that is needed
As the air begins to cool, humidity lessens, but whatever humidity comes from the air will condense on the coils, considerably cooling the air in multiple ways:
- The coils get cold and so the air becomes cool
- The condensed water and the air combine to provide generated heat, which condenses the water
For that reason, the water gains additional thermal mass more than the air that remains. The additional thermal mass energy is eliminated from the coils in the water.
Leaking AC
Whenever you notice water leaking from your AC unit, you shouldn’t assume that the unit is operating at its full capacity. There is several times that water leaking from the HVAC system will reveal that some of the elements in the air conditioner unit may be broken or has a malfunction. To avoid a high air conditioning repair bill, you must either have an AC maintenance service in place or watch to see when problems arise, which is never easy.
Leaking Condensation
It is possible that on a very hot day, the air conditioning unit in your home will continue to run throughout the day to keep the home and its occupants comfortable. If you see water leaking out of the AC unit after running your AC for long periods of time, the leakage is normal. It means that the air conditioner unit is experiencing condensation as a result of the evaporator coils being excessively used, dehumidifying the air inside the home as it is supposed to do. As the humidity is reduced, dryer and cooler temperature is pumped out, circulating the interior of the home. On days where the temperature is really high, it will also increase condensation, resulting in an overflow inside the drain pan. When this happens too often, you may want to call a HVAC contractor for help.
Conclusion
If your AC filter is clogged with dust, small particles or debris, it may also restrict the air flow inside the home. Overtime, this can build up and make it even worse. Filters have to be changed on a regular basis. It may be best to have air conditioning maintenance service prior to the summer months so that your AC unit will be working efficiently. Whatever is resulting in leakage from your AC unit, a skilled HVAC technician can assist you.
Image credit: https://www.flickr.com/photos/62593635@N08/5691811358/
by admin | Jun 21, 2016 | HVAC
HVAC Systems
Did you know that your heating and ventilation and air conditioning system provides your home with about 30% energy? This is common for small offices and residential homes as well. When you have a well-designed air conditioning system, it does adequately cool a building, but it also reduces the energy consumption. In addition, it also improves the building’s air quality without causing any damages to the environment.
Industrial and Manufacturing
In a manufacturing warehouse or industrial building, the HVAC system has various combinations of devices for heating and cooling. Some of these devices include:
- Electric heat
- Heat pump
- Rooftop unit
- Furnace
- Chillers
- Boilers
- Central AC units
For the commercial HVAC system installation, there are various system designs to choose from. For this reason, the installation should be done by an HVAC technician with industrial installation experience because some of these designs can be complicated while others are simple.
Industrial Plant
In the industrial plant, a basic system would be utilized in a single zone. Modifications are made when necessary to offer coverage to multiple plants or other large areas. For the basic industrial system, the air comes in from the air intake feature, which is usually found on the side or top of the building. Through atmospheric pressure, the forced air goes through a damper. The air is regulated to take in the amount that is required to cool the building. The air that previously went through the HVAC system will subsequently join with the external air.
The Combination
This combination is then filtered through the air filter, removing any large particles in it such as bugs, leaves and dust. After this, there is a second filtration process that handles the smaller particles prior to going through the fan. Once the air comes through the fan, it is then cooled or heated by the coils. If there is any condensation, a drain pan does the collection from the coils. The air then goes through the air duct to heat or cool the building, after which it returns through the air registers to be combined with newly created air or it goes out the building.
Conclusion
A basic HVAC system offers comfort to a specifically small space while a commercial HVAC system covers a wider space and has elements that consist of:
- Packaged units
- Window units
- Heat pumps
You will find a commercial system with evaporative coolers, chilled water systems and direct expansion coolers. So, if you own an industrial plant and need to have your HVAC installation done, the complex nature of it will require an experience and specialized HVAC technician. With a bad HVAC installation, you can end up paying higher cost in energy and have terrible air quality.
Image credit: https://www.flickr.com/photos/elinoralex/6374891781/
by admin | Jun 7, 2016 | A/C Unit
There is no avoiding the hot summer months. It is already upon us and for that reason your air conditioning unit has to be efficiently working to combat the heat. You have to now prepare for the additional use of your AC during this time of the year in order to avoid the inconvenience of AC repair. There are several things you can do in the meantime for proper AC maintenance.
Test Refrigerant Levels
One of the primary elements of maintaining your HVAC system is the refrigerant level, which should be tested and checked regularly. If the refrigerant level is low, this could be as a result of some type of leaking. When the refrigerant level is low, it does not cool the house as adequately as would be the case if the refrigerant level was at the appropriate level. In addition, when refrigerant is leaking from your AC unit, it is considered an environmental hazard to the household. If you don’t know how to check the refrigerant level, call in an HVAC contractor for help.
Air Filter Change
If your air filter is dirty, it can cause a wide range of AC issues that will need to be repaired. You should ensure that air filters are changed up to four times annually. As it gets hot during the summer months especially, you will use your AC unit more frequently. For that reason, you should clean air filters and change when necessary.
Digital Thermostat
Choose a digital thermostat to get the most regulation in temperature. The traditional types of thermostats do not provide accurate temperature reading. This can cause the unit to work much harder. You can also program the digital thermostat to turn up or turn down the temperature at specific intervals, subsequently saving on energy, lessening the stress on your HVAC system and maintaining comfortable temperature inside the house.
Clean Condenser Unit
There is a condenser on the outdoors and this should be efficiently maintained as well to prevent AC repair. So, be sure to clean all the bushes and shrubs, if any around the AC unit, preventing these from blocking the AC’s airflow.
Proper Ventilation
Your HVAC system has to circulate in the attic too, if you have one. So, prior to the summer months, be sure to check your attic to see if there is anything blocking or preventing air circulation. Get rid of debris or clutter around the air vents or air ducts. This will lessen any additional load on your HVAC system.
Conclusion
If you can get some of these things done, your air conditioning system will remain in excellent condition, keeping your house cool during the summer months and beyond. It is time to get your house in order.
Image credit: https://www.flickr.com/photos/moria/95480015/
