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Basics of Air Conditioning
Even if your air conditioner is only 10 years old, you may save 20% to 40% of your cooling energy costs by replacing it with a newer, more efficient model. Air conditioning in Buffalo's hot summers is a high priority for most home owners.
How does an air conditioner work?
Air conditioners work in much the same way as a refrigerator. Instead of cooling the insulated space inside of a refrigerator, and air conditioner cools a room, a whole house, or an entire business. An air conditioner functions by removing the heat from the indoor air and transferring it outside. The machine has three main parts: a compressor, a condenser, and an evaporator. The compressor and condenser are usually located on the outside air portion of the air conditioner. The evaporator is located inside. The evaporator and condenser are serpentine tubing surrounded by aluminum fins which are usually made of copper. A heat transfer fluid called refrigerant is pumped between the evaporator and condenser by the compressor. The liquid refrigerant evaporates in the indoor evaporator coil, pulling heat out of the indoor air and thereby cooling the home.. The now hot refrigerant gas is pumped outdoors into the condenser where it reverts to a liquid giving up its heat to the air flowing over the condenser's metal tubing and fins.
This process continues over and over until the room reaches the temperature desired. A thermostat senses that the temperature has reached the right setting and turns off the air conditioner. As the room warms up, the thermostat turns the air conditioner back on until the room returns to the temperature you want. 
Types of Air Conditioners
The basic types of air conditioners are: room air conditioners, split-system central air conditioners, and packaged central air conditioners.
Room Air Conditioners
Room air conditioners cool rooms rather than the entire home. If they provide cooling only where they're needed, room air conditioners are less expensive to operate than central units, even though their efficiency is generally lower than that of central air conditioners
Split System Central Air Conditioners
In a split-system central air conditioner the outdoor portion contains the condenser and compressor. This is the part outside that has metal fins all around. The indoor portion contains the evaporator. In many split-system air conditioners, this indoor cabinet also contains a furnace. The air conditioner's evaporator coil is installed in the cabinet or main supply duct of this furnace. If your home already has a furnace but no air conditioner, a split-system is the most economical central air conditioner to install.
Packaged Central Air Conditioners
In a packaged central air conditioner, the evaporator, condenser, and compressor are all located in one cabinet, which usually is placed on a roof or on a concrete slab next to the house's foundation. This type of air conditioner also is used in small commercial buildings. Air supply and return ducts come from indoors through the home's exterior wall or roof to connect with the packaged air conditioner, which is usually located outdoors. Packaged air conditioners often include electric heating coils or a natural gas furnace. This combination of air conditioner and central heater eliminates the need for a separate furnace indoors.
Both of these types of central air conditioners circulate cool air through a system of supply and return ducts. Supply ducts and registers (i.e., openings in the walls, floors, or ceilings covered by grills) carry cooled air from the air conditioner to the home. This cooled air becomes warmer as it circulates through the home; then it flows back to the central air conditioner through return ducts and registers.
Proper sizing, selection, installation, maintenance, and correct use are keys to cost-effective operation and lower overall costs.
To learn more about Air Conditioning in Buffalo, contact Danforth right now!
JW Danforth offers Air Conditioning in Buffalo, Rochester and Niagara Falls NY.
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