
The Last Day of 2025: Understanding Heat Pump Setbacks and Cold-Weather Performance
During an Arctic blast, many heat pump owners discover that old thermostat habits no longer work. In extreme cold, deep temperature setbacks can trigger expensive backup heat, reduce comfort, and drive up energy bills. Understanding how modern cold-climate heat pumps operate—and how to adjust your thermostat strategy—can make the difference between steady comfort and winter frustration.
