Derek ColeGM, Simmons One Hour Heating & Air · AI HVAC Answers

AUX or Emergency Heat is Flashing on my Thermostat

29 Nov 2018 · 0 min

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0:23

This content was created by Derek Cole. This content was uploaded by Derek Cole. This is a YouTube video titled "AUX or Emergency Heat is Flashing on my Thermostat" (created 2018-11-29). It contains a short single-speaker explanation advising that when the thermostat shows "aux" or a flashing/emergency heat indicator, the electric heat strips (backup heat) are active to assist a heat pump when outdoor temperatures drop below about 40°F — a normal behavior and nothing to worry about.

Questions this video answers

When outdoor temperatures drop below about 40°F.

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