How Does an Air Conditioner Work?07/18/2016 The temperatures are climbing to record numbers around the states and many homes are using some type of air conditioner to beat the seasonal heat. While we are all thankful that your air conditioner runs, the experts at Hillcrest Air Conditioning & Plumbing in Bakersfield would like to inform you how it works. The Basics There’s a plethora of science involved in keeping your home cool. Your air conditioner operates in a comparable way to your refrigerator, however your AC has a larger job to handle. Both your fridge and AC cool with a consistent loop of refrigerant, in your air conditioner this refrigerant loops from inside to outside your home. This refrigerant easily changes from a liquid to gas and back to a liquid again. It enters your home as a sub-cooled liquid and as it evaporates it takes in heat from your indoor air and expands back into vapor. This vapor then transfers back to your outdoor unit where the heat is freed and is then condensed back into a sub-cooled liquid. Four Components There are 4 main components to your air conditioner unit: a compressor, an evaporator coil, the condensing coil and an expansion valve. The evaporator coil is where your refrigerant evaporates from a sub-cooled liquid into a super-heated vapor. This component can be found inside your home, in your garage or even in your attic. Warm air transports throughout the cold evaporator coil and the heat is separated from the air. This cooled air is then transferred throughout your home. Your compressor is located in your outdoor condensing unit. The super-heated vapor from your evaporator coil goes into the compressor which surges the pressure of the vapor until it is converted into hot, high pressure vapor. The hot vapor then goes back into the condenser coil where less hot outdoor air flows across the coil, heat is released outdoors and the refrigerant is converted back into a sub-cooled liquid. This sub-cooled liquid is then returned to the indoor evaporator coil and through an expansion valve or metering device. The process is then repeated. That concludes your physics lesson of the day…your air conditioner runs on an endless loop of science. We understand that it’s not as crucial to you how it works, but that it’s working. If you’d like to discuss staying cool and comfortable in Bakersfield give us a call at 661-437-3499 or set up an appointment using our online scheduler. With the help of our team and science we’re going to make it through this sweltering summer.