ARLINGTON, Va. — The Air-Conditioning, Heating, and Refrigeration Institute (AHRI) announced several improvements in the search method to find variable refrigerant flow (VRF) multi-split air ...
NEW YORK — In response to requests by customers and in-depth research on how contractors use The Air Conditioning, Heating, and Refrigeration Institute’s (AHRI’s) certified products database, Carrier ...
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