mine is a friedrich. it happened to be the brand that my friend (hvac company owner) sells and installs.
The heat pump is basically an internal switch that makes the AC unit run backwards. it puts out warm, not hot, air. SO I thought it would be cheaper and more effective to use a separate space heater. Cheaper maybe, but it would have been a lot easier to just use the same unit on the wall for the majority of my cool weather trips. Maybe have the space heater for the Chicago in February trips.... man that was cold.
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Doc Weaver '98 Freightliner FL60 pseudo toy hauler
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