Some furnace tasks are straightforward and satisfying, like changing air filters or keeping vents clear, but if it’s been a while since your last inspection, calling in the pros is the safer bet. “The ...

The last thing anyone needs is for their furnace to start blowing cold air — especially in the winter. But what causes this problem, and how can you fix it?

Q: I turned on my furnace for the first time this year, and it made the whole house smell musty. I checked the filter and found it caked with dust, so I replaced it with a new filter, and the indoor ...

When temperatures plunge, the system most likely to fail is the one you notice only when it stops working: the network of ...

This archived news story is available only for your personal, non-commercial use. Information in the story may be outdated or superseded by additional information. Reading or replaying the story in ...