Air Conditioning Services

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About A/C

Your central air conditioning system is made up of four main components including an air handler, an evaporator coil, a condensing coil, and air ducts which deliver the air to individual rooms throughout your home. All of the components of your air conditioning system need to be carefully matched together during the original installation. A mismatched system will operate poorly, and in some cases will not operate at all.

The Air Handler: Blows air through the evaporator coil and into the duct work to be circulated throughout the home. An air filter should always be located on the intake side of the furnace to clean the air before it is cooled and circulated throughout the home. When the furnace is used for air conditioning its blower will be energized in high speed which makes more noise and moves more air than when it operates in the heating mode.

The Evaporator Coil: Sitting on top of the furnace and enclosed in an insulated sheet-metal box, the evaporator coil is connected to the outside condenser by two copper tubes, one of which is insulated with a thick rubber coating. Refrigerant (R-22 or R-410a) will circulate through this coil to cause the cooling effect.

The Condenser:
The outdoor unit of a split system is the condenser. It consists of the compressor, which is a pump that circulates the refrigerant through the evaporator coil, a large radiator coil to transfer heat, and a fan to blow air through the coil to keep it cool. It is important to keep the area around the condenser clear so it can operate properly.

The Air Ducts:
Today’s duct work in Tucson homes consists of insulated flexible tubes that snake across the attic floor or under the house. Unfortunately, the ducting system is out of sight and therefore out of mind and tends to be neglected when it comes to cleaning and repair. A recent study by the Arizona Energy Commission concluded that the average home loses up to 30-50% of the cool air before it ever gets to the rooms where it’s needed due to leaking duct work. You could be overpaying the utility companies by as much as 30-50%.