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  2. Seasonal energy efficiency ratio - Wikipedia

    en.wikipedia.org/wiki/Seasonal_energy_efficiency...

    Air-conditioner sizes are often given as "tons" of cooling, where 1 ton of cooling equals 12,000 BTU/h (3.5 kW). 1 ton of cooling equals the amount of power that needs to be applied continuously over a 24-hour period to melt 1 ton of ice. The annual cost of electric energy consumed by an air conditioner may be calculated as follows:

  3. Air conditioning - Wikipedia

    en.wikipedia.org/wiki/Air_conditioning

    The efficiency of air conditioners is often rated by the seasonal energy efficiency ratio (SEER), which is defined by the Air Conditioning, Heating and Refrigeration Institute in its 2008 standard AHRI 210/240, Performance Rating of Unitary Air-Conditioning and Air-Source Heat Pump Equipment. [61]

  4. Solar air conditioning - Wikipedia

    en.wikipedia.org/wiki/Solar_air_conditioning

    A 29 kW (100,000 BTU/h) SEER 20 air conditioner would require less than 5 kW while operating. There are also new non-compressor-based electrical air conditioning systems with a SEER above 20 coming on the market.

  5. Big Pine Key, Florida - Wikipedia

    en.wikipedia.org/wiki/Big_Pine_Key,_Florida

    U.S. 1 (the Overseas Highway) crosses the key at mile markers 29.5–33, one of the few places on the keys where the road orients north–south (along the eastern edge of the Key). The highway leads west-southwest 29 miles (47 km) to Key West and east-northeast 21 miles (34 km) to Marathon .

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