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How to Maintain an Air Conditioner - HowStuffWorks

The coils, the compressor, and the motor of a room air conditioner are sealed components, so any repairs to them should be left to a professional service person. However, you can make minor repairs, and regular maintenance will keep your unit running well. When extensive repairs are needed, you can also save the cost of a service call by removing the air conditioner from its mounting and taking...

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Related topics : room air conditioner repair service / room air conditioner repair / room air conditioner maintenance / air conditioner wall unit repair / air conditioner window unit repair

How to Repair Central Air Conditioners | HowStuffWorks

Central air conditioners are made up of two separate components: the condenser unit,

located outside the house on a concrete slab, and the evaporator coil above the furnace.

Both the evaporator and the condenser are sealed. Therefore, a professional service person should be called for almost any maintenance other than routine cleaning. Central air conditioners should be professionally inspected and adjusted before the beginning of every cooling season. However, don't let your maintenance end with this annual checkup. While there aren't many repairs you can make...

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Related topics : air conditioner window unit repair / air conditioner unit repair / room air conditioner repair service / room air conditioner repair / repair central air conditioning unit

How To Repair Room Air Conditioners | HowStuffWorks

Room air conditioners have either one or two capacitors, located behind the control panel and near the fan. Capacitors store electricity, even when the power to the unit is turned off. Before you do any work on an air conditioner, unplug it and discharge the capacitor or you could receive a severe shock. The unit's owner's manual will show the location of capacitors and tell how to discharge them. Otherwise, let an air...

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Related topics : room air conditioner repair / central air conditioning system repair / air conditioner unit repair / room air conditioner maintenance / how to repair air conditioner fan

Window and Split-system AC Units - How Air Conditioners ...

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How Air Conditioners Work

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A window air conditioner unit implements a complete air conditioner in a small space. The units are made small enough to fit into a standard window frame. You close the window down on the unit, plug it in and turn it on to get cool air. If you take the cover off of an unplugged window unit, you'll find that it contains:

A...

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Related topics : how much does it cost to run a small window air conditioner / window air conditioner running but not cooling / window air conditioner running inside / window air conditioner runs when turned off / window air conditioner running

Heating and Cooling System Basics | HowStuffWorks

Keeping Cool: Air Conditioner Quiz

How Heating and Cooling Systems Work

All climate-control devices or systems have three basic components: a source of warmed or cooled air, a means of distributing the air to the rooms being heated or cooled, and a control used to regulate the system (e.g., thermostat). The sources of warm air, such as a furnace, and cool air, such as an air conditioner, in a...

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Related topics : heating and air conditioning systems problems / heating and cooling systems problems / heating and air conditioning unit problems / heat and air conditioning problems / heating and air conditioning problems

How Air Conditioners Work | HowStuffWorks

The first modern air conditioning system was developed in 1902 by a young electrical engineer named Willis Haviland Carrier. It was designed to solve a humidity problem at the Sackett-Wilhelms Lithographing and Publishing Company in Brooklyn, N.Y. Paper stock at the plant would sometimes absorb moisture from the warm summer air, making it difficult to...

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Related topics : air conditioning system design / heating and air conditioning systems problems / air conditioning system / air conditioning temperature / heat and air conditioning problems

Air-conditioning Basics - How Air Conditioners Work ...

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Air conditioners use refrigeration to chill indoor air, taking advantage of a remarkable physical law: When a liquid converts to a gas (in a process called phase conversion), it absorbs heat. Air conditioners exploit this feature of phase conversion by forcing special chemical compounds to evaporate and condense over and over again in a closed...

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Related topics : air conditioning system design / evacuating air conditioning system / air conditioning system / evacuate air conditioning system / air conditioning temperature

BTU and EER - How Air Conditioners Work | HowStuffWorks

How Air Conditioners Work

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Most air conditioners have their capacity rated in British thermal units (Btu). A Btu is the amount of heat necessary to raise the temperature of 1 pound (0.45 kilograms) of water one degree Fahrenheit (0.56 degrees Celsius). One Btu equals 1,055 joules. In heating and cooling terms, one ton equals 12,000 Btu.

A typical window air conditioner might be...

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Related topics : air conditioning units / air conditioning system prices / air conditioning system

The Parts of an Air Conditioner - How Air Conditioners ...

The cold side of an air conditioner contains the evaporator and a fan that blows air over the chilled coils and into the room. The hot side contains the compressor, condenser and another fan to vent hot air coming off the compressed refrigerant to the outdoors. In between the two sets of coils, there's an expansion valve. It regulates the amount of compressed liquid refrigerant moving into the evaporator. Once in the evaporator, the refrigerant experiences a pressure drop, expands and changes back into a gas. The...

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Related topics : air conditioner expansion valve