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Heat Pump Prep Test Graded A+
Heat Pump Prep Graded A+
Heat Pump Prep Graded A+
Heat Pump Prep Test Graded A+ An air-to-air heat pump has many of the same components as an air conditioning system. The major difference is that a heat pump also has a ️Reversing Valve What is the difference between "demand defrost" and "timed defrost?" ️Demand defrost happens only when needed and timed defrost is based on time/temperature The thermostat that controls the auxiliary electric heat according to the outdoor temperature is called ️outdoor ambient thermostat The o...
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