Learn what happens if you don't change HVAC filters. Degraded performance and system failure may occur if you don't change HVAC filters.

Q: How often should I replace the air filters in my home, and what factors would require me to replace them in between regular changes? A: The essential function of an air filter is to clean air that ...

So winter is upon us, and that means you'll need your HVAC system in tip-top shape. And no, you don't need to cover your HVAC unit this winter; you just need to maintain it. For many people, HVAC ...