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HEAT PUMP OWNERS TAKE NOTE: misconceptions about your heat pump and “Emergency Heat” operation...
When temps are below freezing for an extended
When you switch your heat pump to “Emergency Heat”, it deactivates the heat pump portion of your system (the compressor), and makes the auxiliary heat (also called Emergency Heat) your primary source of heat, instead of it being strictly supplemental to the heat pump. It may cost a little more to operate this way, but it’s way less taxing on your equipment, and should allow your system to cycle on and off occasionally instead of running 24/7. Denney Mechanical recommends giving your “Emergency Heat” a test run before an approaching cold front arrives, so as to identify any problems there might be with it before it really is an “Emergency”! Hopefully this clears up some misconceptions about your heat pump and “Emergency Heat” operation, and helps you understand what’s actually happening and why it’s happening! If your system isn’t operating as it should, you already know who to call!
period of time, (24 hours or more) we
recommend switching your heat pump system to “Emergency Heat”. Here’s why: A heat pump under normal operation extracts heat from the outside air and transfers it into your home. However, when temperatures fall below freezing , there isn’t any heat to extract from the outdoor air. This is why under these conditions it feels as if the heat pump is blowing “cool air”. It’s not really cool air but it’s cooler than our 98.6 degree bodies, thus the cool feeling. Heat pumps have “auxiliary heat” (also called “Emergency Heat”) to supplement the heat pump when it can’t keep up, and also balance temperature when the heat pump goes through “defrost mode”.
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