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Heating and cooling

The temperature inside the house can be regulated using air conditioners. There are two basic types of air conditioners they are central air conditioning that cools an entire house and room air conditioners that cool single rooms and small areas. Air conditioners run by electricity. The refrigent inside it circulates through a closed-circuit loop of copper tubing that runs between an outdoor coil, called a condenser, and an indoor coil, called an evaporator. When cold refrigerant circulates through the indoor coil, it absorbs heat from room air that is blown across the evaporator; and this heat is expelled outdoors through the condenser.