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California Seeks Proposals for Risk Assessment of Residential A3 Heat Pumps
The North American Sustainable Refrigeration Council (NASRC), under a grant from the California Air Resources Board (CARB), is soliciting proposals from qualified third-party subcontractors to conduct a full risk assessment of residential monobloc air-to-water heat pumps (ATWHPs) using higher charges of A3 (flammable) refrigerants, including propane (R290), isobutane (R600a) and other hydrocarbons. Read the full story on NaturalRefrigerants.com.
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