As a homeowner you probably never think about your air conditioning and heating system until you are having a problem. This page has been designed to provide a comprehensive understanding of your heating and cooling system so that you can select a new a/c system that will improve the efficiency of your air conditioning and heating system.
Regardless of the style of the system, the basic components and method of operation are similar for all electric compression-cycle systems. The major elements are an evaporator coil, a condenser coil, fans to circulate air over both coils, tubing to carry a refrigerant between the two coils, a compressor to move the refrigerant through the system, and a metering device to regulate the rate of refrigerant flow. Air conditioning systems use several basic principles of physics to remove heat from within a house. The refrigerant absorbs heat when it changes from a liquid to a gas. The refrigerant also releases heat when it changes from a gas to a liquid and finally heat moves from a medium at a high temperature to a medium at a lower temperature.
As the liquid refrigerant passes through an expansion device into the evaporator it expands to a gas. Simultaneously, the refrigerant also absorbs heat from the household air, and is forced by the air handler fan through the evaporator coil. When the heat transfer takes place, the temperature of the household air becomes noticeably cooler and is forced through air ducts to the rooms of the house. The refrigerant that vaporizes into a gas in the evaporator, is pulled through the tubing into the compressor where it is compressed to a high-temperature, high-pressure gas. This gaseous refrigerant then passes into the condenser coil where it releases heat to the relatively cooler outdoor air, where the air is forced across the coil by second fan. During this process, the refrigerant condenses back to a liquid and is ready to begin another cycle.
Another consideration to make is an air conditioning system is designed to also remove heat from the air and also dehumidify the air. In able to maintain your comfort cooling needs, a balance of temperature and humidity must be maintained. This means that the unit must be also by properly sizing your system so that it runs long enough to dehumidify the air. An oversized system in a hot climate such as Texas will not have the opportunity to maintain the proper comfort level.
Adequate airflow is also important for the proper operation of an air conditioning system. Dirty or blocked filters or improperly positioned returns and supply registers will result in imbalanced air distribution and uneven cooling. You should also keep in mind that at least one return needs to be positioned near the ceiling.
Central air conditioning systems do not require a large amount of maintenance. However, some basic attention is required if the unit is to achieve its maximum economic life span. The compressor is usually the first major element that requires replacement. Unfortunately, it is also the most expensive part of your heating and cooling system.
A routine annual check-up of your central air conditioning system by our experts at Climate Care Air Conditioning & Heating is strongly recommended. In addition, to help achieve the maximum comfort for your system, we also advise the following these maintenance and operation guidelines:
- You should always reset dampers for air conditioning at the start of the cooling season. A damper adjustment is required only if there are separate ducts for the cool air and if the return has both a ceiling and floor register.
- Be sure to check that all supply outlets and returns are free from obstructions and duct.
- Be sure to clean and/or replace air filters monthly.
- Make sure that check to make sure the condensate drain is draining freely. If there is an overflow pan under the unit, be sure the pan is clean and the condensate drain open. If your unit has a condensate pump, keep it clean and working.
- You should also find a comfortable setting above 78 degrees. Consider installing a programmable thermostat.
- Make sure all ducts that pass through hot areas such as attics, garages and crawlspaces are insulated.
- You should minimize heat gain and hot air infiltration by providing adequate attic insulation and weather-stripping at windows and doors.
- Make sure there is adequate attic ventilation.
- Never operate an air conditioning system when the outside temperature is below 60 degrees.
At Climate Care Air Conditioning & Heating we also ask that keep in mind that these tips are only general guidelines. Since each situation is different, please contact our experts at Climate Care Conditioning & Heating at 972-353-5257. For your convenience you may also request services from this site.
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If you have any questions or would like to schedule a service call please contact us at 972-353-5257 or for your convenience you my request services from this site!
Thank for your interest in Climate Care Air Conditioning & Heating, we look forward to serving you in the near future!