The new heat pumps use R-454B as a refrigerant and are specifically designed to be matched with Johnson Controls' residential gas furnaces. Their size ranges from 1. 5 tons to 5 tons and their coefficient of performance (COP) spans between 3. 24 and 3. 40, according to the manufacturer. US-based industrial conglomerate Johnson Controls has introduced a new heat pump series for residential applications. "The York YH5 15. 2 SEER2 2-Stage Heat Pumps are engineered for year-round comfort and energy efficiency," a spokesperson from the company told pv magazine. "These heat pumps are specifically designed ...Den vollständigen Artikel lesen ...
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