01 Aug '13, 11pm

[Prod/Sustainablity] Next Up in Heat-Pump Refrigerants: Carbon Dioxide

Next Up in Heat-Pump Refrigerants: Carbon Dioxide Over the past 25 years, refrigerants used in air conditioners and heat pumps have come under fire—first for their impact on the Earth’s protective ozone layer and then for their global warming potential. Now, some manufacturers are looking to carbon dioxide as the refrigerant. The Japanese company Mayekawa, one of the first out of the gate with CO2 technology, offers three such heat pumps in North America for commercial applications. With the potential to produce high-temperature water in both water-to-water and air-to-water heat pumps, such systems have become a viable replacement for fossil-fuel-fired boilers in some applications—an area until now untouched by heat pumps. ... This page is visible only to BuildingGreen members Read it now with a FREE 30-day trial membership to BuildingGreen Suite Already a member? Log in here

Full article: http://www.buildinggreen.com/auth/article.cfm/2013/7/28/N...

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DMS 2013/M-Tech 2013/MEDIX 2013