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

277. AUX on Thermostat

28 Jan 2026 · 0 min

Episode

28 Jan 2026 · 0 min

0:00

This content was created by Derek Cole. This content was uploaded by Derek Cole. This is a podcast episode titled "277. AUX on Thermostat" (PODCAST) created on 2021-02-18. The episode is hosted by Derek Cole and focuses on home comfort and energy savings, composed mainly of short advice clips and Q&A segments. The excerpt includes Derek Cole introducing the show and a technical tip explaining that the thermostat "AUX" or flashing red light indicates the heat strips (backup heat) are operating for a heat pump when temperatures fall below about 40°F. The episode ends with standard listener calls-to-action (share, rate, follow on social). Participants include Derek Cole (host) and additional speakers providing the advice segment.

Questions this episode answers

The heat strips (backup heat) are operating.

When it gets below about 40°F.

Foreign.
Hey, this is Derek Cole and welcome to the Derek Cole Podcast. This podcast is all about home comfort and energy savings. The majority is really comprised of short audio clips of advice and answers to questions that we've been asked over the years. We also kind of sprinkle in the Ask Derrick Cole show audio, which is a much longer Q and A kind of program. If you like this episode, and I hope you do, I would love for you to share it on social with others. Just take a screenshot of the program and hashtag it Derek Cole so I can see you. But let's get into today's episode.
If you see the thermostat, go to AUX and that red light pops up or it's flashing. That just means the heat strips are on. It's nothing to worry about. It's normal. It's fine. It's really a backup heat source because once it gets below 40 outside and you have a heat pump, it needs help. So that's why you have these heat strips to kind of give a hand to add heat.
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