O'Brien Heating and Air Conditioning Orlando

O'Brien
Heating and Air Conditioning, Inc.
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Provides Residential and Commercial Heating and
Air Conditioning Services throughout Orlando and Central Florida

Don't Wast Your Money OnSeminole and Orange county air conditioning services
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Orlando Air Conditioning Contractor -AC - Service

Orange County
407-671-1247
Seminole County
407-671-1247
Osceola County
407-891-0047

Air conditioning

Most people think that air conditioners lower the temperature in their homes simply by pumping cool air in. What's really happening is the warm air from your house is being removed and cycled back in as cooler air. This cycle continues until your thermostat reaches the desired temperature.

An air conditioner is basically a refrigerator without the insulated box. It uses the evaporation of a refrigerant, like Freon, to provide cooling. The mechanics of the Freon evaporation cycle are the same in a refrigerator as in an air conditioner. According to the Merriam-Webster Dictionary Online, the term Freon is generically "used for any of various nonflammable fluorocarbons used as refrigerants and as propellants for aerosols."

This is how the evaporation cycle in an air conditioner works (See How Refrigerators Work for complete details on this cycle):

  1. The compressor compresses cool Freon gas, causing it to become hot, high-pressure Freon gas (red in the diagram above).
  2. This hot gas runs through a set of coils so it can dissipate its heat, and it condenses into a liquid.
  3. The Freon liquid runs through an expansion valve, and in the process it evaporates to become cold, low-pressure Freon gas (light blue in the diagram above).
  4. This cold gas runs through a set of coils that allow the gas to absorb heat and cool down the air inside the building.

Mixed in with the Freon is a small amount of lightweight oil. This oil lubricates the compressor.

Air conditioners help clean your home's air as well. Most indoor units have filters that catch dust, pollen, mold spores and other allergens as well as smoke and everyday dirt found in the air. Most air conditioners also function as dehumidifiers. They take excess water from the air and use it to help cool the unit before getting rid of the water through a hose to the outside. Other units use the condensed moisture to improve efficiency by routing the cooled water back into the system to be reused.

So this is the general concept involved in air conditioning. In the next section, we'll take a look at window and split-system units.

O'Brien Heating and Air Conditioning, Inc.
State License # RA13067204 | Residential & Commercial
371 Old Alemany Place
Oviedo, Florida 32765
(407) 671-1247 | (407) 891-0047

O'Brien Heating and Air Conditioning Services - We provide prompt response to services calls including but not limited to the following areas: Apopka, Altamonte Springs, Casselberry, Dr. Phillips, Longwood, Lake Mary, Maitland, Oviedo, Sanford, Winter Park, Winter Springs, Windermere, Kissimmee, Orange County, Seminole County and Osceola County