Storing heat may be the last thing you think of when turning on an air conditioning unit, but one model takes advantage of the sweltering weather to heat water while cooling the air. The aptly named Air Conditioner Water Heater, or ACWH, from Hotspot Energy has a condenser unit that sits outside of the building, collecting heat that the air conditioner compresses and expels from inside. The heat passes through a copper heat exchanger that connects to a home or building's hot water tank. According to the company, the unit can cool a 1000-square-foot room and heat about 100 gallons of water per day. At its peak, the ACWH can provide 18,000 BTU, or 1.5 tons of cooling using 1333 watts per hour.
Source: http://feedproxy.google.com/~r/Techcrunch/~3/pf3A5HRsaIk/
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