Your tire’s air reacts the same way. When temperatures drop, the particles contract, triggering the sensor light to come on.

One YouTuber with a cold-weather cabin talks about how heat pumps, like those from Mitsubishi, can help save on heating costs ...

Keep it clear. Brush snow and ice away after storms or when drifts build up. Outdoor units need about 18 inches of clearance on all side for good airflow. Check drainage. Condensation lines should be ...

As temps drop, HVAC pro Shawn Dehart urges upkeep: leave your thermostat set, change filters, run a test, follow safety tips ...