Tankless Water Heater, Water Heater Tankless, Rinnai Tankless - Younits.com

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A ton of cooling capacity is the amount of cooling that would be provided by melting a ton of ice. Thus, a central air conditioning system that is rated as a 2-ton system would provide the same cooling as melting two tons of ice per day (24-hour period).

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SEER is most commonly used to measure the efficiency of a central air conditioner. The higher the SEER, the more efficient the system. SEER measures how efficiently a cooling system will operate over an entire season.

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A BTU is the quantity of heat required to raise 1 pound of water by 1 degree Fahrenheit.