Day: September 25, 2025

If you’ve ever woken up on a freezing morning, glanced at your thermostat, and noticed “AUX” glowing, you probably wondered, what is auxiliary heat and should I worry? As someone who works on heat pumps almost every day, I can tell you that auxiliary heat isn’t a bad thing. In fact, it’s built into your system to keep you comfortable when temperatures dip too low for your heat pump to