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

Heat Pump AUX Mode: Understanding Your Backup Heat #shorts

20 Jan 2026 · 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 short titled "Heat Pump AUX Mode: Understanding Your Backup Heat #shorts" (created 2026-01-20T23:47:25Z). It contains a single-speaker instructional clip explaining thermostat "aux" mode: a flashing/red light indicates the heat strips (backup/auxiliary heat) are active to assist a heat pump when outdoor temperatures fall below about 40°F. The excerpt is an explanatory how-to segment about HVAC behavior.

Questions this video answers

Below about 40°F.

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