The All Climate Heat Pump does not require supplemental heat when the outdoor temperature drops below 30°F. Using only the refrigeration cycle, the heat pump can continue to heat when temperatures are well below freezing. This is achieved through the use of OptiCycle™ technology, which uses a second compressor in series with the primary compressor to boost the system’s performance. Two heat pump models, the 36C35H and the 42C46H, are available. Depending on the model, the unit has rating ranges of 10.4-12.3 EER, 13.6-14 SEER, and a COP of 2.2 at 0° to 3.9 at 47°. It is designed for installation in residential and commercial buildings.

Hallowell International LLC, 110 Hildreth St., Bangor, ME 04401; 207-990-5600; 207-990-5602 (fax);;

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