Is your furnace blowing cold air? Here are some troubleshooting tips and simple DIY repairs for the most common causes for ...

so I replaced it with a new filter, and the indoor air is much fresher now. Are there any guidelines for how often a furnace filter should be changed? A: As you discovered, a clean furnace filter ...

Condensation, humidifier issues, and damaged or cracked heat exchangers commonly cause leaking furnaces. You can fix a dirty filter or a clogged condensate line, but call a pro for more complex ...

Some of the common particles that furnace filters are tested for include ... help us nail down the most effective—and efficient—air filter options for heating and cooling systems and more.

Filters for best furnace performance One of the simplest and most important things a homeowner can do to maintain their HVAC system may be the most overlooked: Changing the air filter.

He encouraged people to make sure their furnaces and air ducts are clean and that their smoke detectors are functioning. According to the National Fire Protection Association, home fires occur ...

Learn More › A: As you discovered, a clean furnace filter makes a big difference in air quality. What’s more, the fresher the filter, the more efficiently your HVAC system runs, resulting in ...