The heavyweight champion of the air conditioner world are definitely the coils. Their biggest task is to transfer heat to maintain a level of comfort in your dwelling place. There are two types of coils: condensing coils and evaporator coils. Condensing coils are located in the outside condenser and evaporator coils are located indoors in the air handler. When coils are not kept clean, their ability to transfer heat is reduced as well as their efficiency. When efficiency declines, energy bills increase.
Basic Air Conditioning Process
Your indoor evaporator coils absorbs heat into the Freon passing through the coils as the indoor blower circulates the air across these coils. The byproduct of heat removal results in cool air. This heat is transferred through the Freon to the outdoor condensing unit coils where this heat is released into the outside environment.
Evaporator Coil Issues
When filters aren’t changed properly or in a timely fashion and the filter is blocked, whatever particles that slip through accumulate on the evaporator coils. Running your unit without a filter or particles that slip through the filter will also build up on the coil. This build up lowers the pressure of the Freon which in turn lowers the temperature at the evaporator coil. This can cause condensation crossing the coil to freeze and cause an accumulation of ice on air conditioner coil. Using a good quality filter and replacing it frequently will ensure the efficiency of your air conditioner and prevent a costly cleaning of the coil.
Condensing Coil Issues
The condensing fan pulls air through the condensing coils allowing heat to be dissipated into the outdoor air. Therefore, it is necessary to keep the unit free of debris. Also, it is important when you are cutting the grass near your unit to turn the air conditioner off and always cut away from the unit so that dirt, dust and grass clippings do not get sucked in to the condensing coil. Blockage creates heat build up and excessive pressures which lowers the cooling capacity, energy efficiency and ultimately shortens the life of you units compressor.
Sometimes evaporator coils are so dirty that they have to be removed and chemically washed outside and then reinstalled. For this reason, we recommend seasonal Preventative Maintenance appointments to ensure that your unit is clean, properly charged with Freon and running at its highest possible efficiency level which in turn guarantees you better efficiency ultimately saving you money on your electric bill and by not having to replace your equipment any sooner than necessary.
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