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 ...

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 ...

When you want to keep your home's heating and cooling system running smoothly, one of the best steps you can take is cleaning ...