The Amana ASZ13 heat pump makes use of a single-stage Copeland scroll compressor that features a specially designed sound-dampening cover made of high-density foam. A wire fan discharge grille also is installed to quiet the unit’s overall operation. The manufacturer’s SmartShift™ technology keeps defrost functions quiet and reliable. Other features of the heat pump include a factory-installed crankcase heater, suction line accumulator and bi-flow liquid line filter drier. The unit has an HSPF rating of up to 8.5 and a SEER rating of 13. The unit’s cooling capacity ranges from 18,000 to 60,000 BTU/hour, while its heating capacity falls between 18,000 to 59,000 BTU/hour.
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