Lennox Residential HVAC has launched an excessive chilly local weather warmth pump that warms a home with low international warming potential (GWP) refrigerant in temperatures as little as -20F.
It’s known as the Dave Lennox Signature® Assortment SL22KLV Chilly Local weather Warmth Pump, and Lennox claims its effectivity ranges are 150% larger at colder temperatures than customary warmth pumps.
In 2022, Lennox was the primary firm to finish the primary part of the US Division of Vitality’s (DOE) Residential Chilly Local weather Warmth Pump (CCHP) Expertise Problem, and the SL22KLV is a souped up model of the unit developed for that problem.
The warmth pump, which pairs with a sensible thermostat, makes use of a variable-speed compressor with Digital Refrigerant Injection (ERI) to regulate the power utilization based mostly on the skin temperature, which helps to decrease power prices. When the temperature drops, the ERI will increase heating output effectively.
The SL22KLV has effectivity scores of as much as 21.10 for Seasonal Vitality Effectivity Ratio 2 (SEER2), 13.2 for Vitality Effectivity Ratio 2 (EER2), and 10.50 for Heating Seasonal Efficiency Issue 2 (HSPF2). It additionally contains a precision-balanced, direct-drive fan and sound-dampening system for ultra-quiet operation as little as 58 decibels.
The heating capability is between 21,600 Btuh and 60,000 Btuh, and the cooling capability is between 22,000 Btuh and 56,000 Btuh.
Lennox’s new excessive chilly warmth pump makes use of the low international warming potential R-454B refrigerant, lowering environmental impression with out compromising efficiency. It’s additionally eligible for the Vitality Environment friendly Residence Enchancment Credit score, a federal IRA tax credit score for owners (and it’s nonetheless in place). There may additionally be different native utility and state incentives for putting in a warmth pump, so it’s positively value checking. It’s now obtainable for order by native Lennox sellers.
Learn extra: Severely good cold-climate warmth pumps are headed to the US market
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