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Central Air Conditioners

Central Air Conditioners

The most common type of residential central air conditioning system is called a split system. This term means that the evaporator coil is separated or 'split' from the condensing unit and coil which is usually found outside in the yard.

The condensing unit contains a compressor which is basically a pump, that is surrounded by a condensing coil and some electrical components that communicate with the furnace fan, thermostat, and other timing devices.

Inside the condensing coil is a refrigerant gas called Freon (older units had the chemical compound R22 while newer, environmentally friendly units, have the compound R410a). The refrigerant gas is compressed by the compressor and forced down a copper pipe that is connected to the evaporator coil. The evaporator coil is typically mounted in the duct work above a forced air furnace (sometimes below the furnace in counter-flow applications). As the gas in the evaporator is warmed up by the air inside the house, it turns from a gas into a fluid. The fluid is drained from the coil by a copper suction line, and returned to the condensing unit outside, where it returns to an inert gas, and the cycle repeats itself.

While the internal parts are operating, the furnace blower is pushing the air from inside the house through and across the fins of the evaporator coil. Because the coil is cold, the air condenses and the overall relative humidity in the home is reduced. The indoor temperature drops as the humidity level falls. The water that is deposited on the coil is collected in a tray at the bottom of the evaporator coil and is drained away through a fitting and tube that runs to a drain.

Other types of air conditioning systems such as window air conditioners, portable air conditioners, roof top systems and ductless mini-splits are also available. These systems can be reviewed with a quick telephone call to our office at 697-5666, and their suitability for your particular application can be discussed at length.

energy efficient air conditioning and heating video button

The following features should be considered when buying a central air conditioner:

Energy efficiency

The S.E.E.R. (Seasonal Energy Efficiency Ratio) denotes the energy efficiency of a particular central air conditioner. The higher the number, the more energy conscious the machine is. Most air conditioners sold today are 13 SEER or more and you can find them charged with both R22 and R410a (the newer form of Freon). A 13 SEER central air conditioner will save as much as 50% of the electricity required to run an older, 8 SEER system.

Air Conditioner Noise Levels

Quiet operation

Lower speed condenser fans and insulated scroll compressors with isolastic suspension reduce vibration and excessive noise.

Environmentally friendlier

R22 is being phased out and replaced by ozone-friendly R410a and effective January 1, 2010, only R410a charged air conditioners will be available pursuant to the Montreal Protocol.

Durability

Heavy gauge, galvanized steel cabinets ensure long-lasting durability and protect against hail and wind damage.

Reliability

We feature high quality products from Lennox; Rheem; Aireflo; Keeprite and Goodman that have proven performance and carry significant warrantees.

 

Visit the Reliance Superior Heating office for more information on our full line of products.