Why does emergency heat cost?
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Similarly, it is asked, does emergency heat cost more?
If your heating system works with an all-electric heat pump, then yes, it will cost considerably more to run emergency heat. The cost of running an emergency backup that runs on oil or gas may depend upon the cost of the fuel used and how much of it is required.
Likewise, when should you switch to emergency heat? Short answer: You should only set your heat pump's thermostat to “emergency heat” when your heat pump stops heating altogether. And in that case, you should also call a professional for help.
Furthermore, why does emergency heat come on?
Emergency Heat, also known as “auxiliary heat”, is the second stage of heat that your thermostat runs on when the temperature is too cold for your heat pump to extract heat from the outside. Emergency Heat is typically triggered when it is 35°F and below outside.
What is the difference between auxiliary heat and emergency heat?
I guess the only difference is that AUX is an 'indicator' on your thermostat that you are running the heat strips when the switch is set to HEAT. Emergency Heat is just the switch setting that will turn off the heat pump and only run the auxiliary heat. Emergency Heat Indicator only when in Em. Heat Mode.