Feb. 03, 2009 - A Pennsylvania-based NGO has awarded $80,000 to a project that will develop a CO2 based ground-to-air heat pump. The project will be led by industry, with the participation of a University located in the state.
The project aims to develop a ground loop heat pump for air-conditioning use that will employ the natural refrigerant CO2. It will be a large residential and light commercial system of up to 5 tons, though larger installations and retrofitting will also be possible.
read more [http://www.r744.com/articles/2009-02-03-american-ngo-awards-grant-for-co2-heat-pump-development.php]
Source: R744.com
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