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The process of supplying or removing air, by natural or mechanical means, to or from any space. Such air may or may not have been conditioned.
A type of air conditioning system that uses freon as a refrigerant and water as a condensing medium. Typically, the water-cooled condenser is located inside the air conditioner with the rest of the refrigeration components. Water is piped to the unit from a cooling tower or other suitable source.
Water is being used as the heat source or heat sink for a heat pump. Sources of underground water are wells and sources of surface water are lakes, large ponds, and rivers.
A unit of power that equals one joule per second. Named after James Watt.
A method of dividing a home into zones and enabling you to control the amount of comfort provided to each zone.
A rating that denotes the efficiency of air conditioning equipment. The higher the SEER, the more efficient the unit. The more efficient the unit, the lower the operating cost.
The portion of a heat pump or central air conditioning system that is located outside the home.
Equal to 1,000 watts. Kilowatt-hour (kWh) - A common unit of electrical consumption measured by the total energy created by one kilowatt in one hour.
This is usually located inside the house and contains the indoor coil, fan, motor, and filtering device. Sometimes called the air handler.
Refrigerant containing portion of a fan coil unit similar to a car radiator, typically made of several rows of copper tubing with aluminum fins.
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