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

Negligent about replacing your furnace filter regularly? It's costing you clean indoor air and extra money on utility bills, ...

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 ...

Furnace air filter sizes vary and are usually expressed in three numbers: depth, width, and length. For instance, 16x24x1 is a typical size, with 16 inches for width, 24 inches for length, and 1 inch ...

A man kneels while pulling a dirty filter out of a furnace - Backyardproduction/Getty Images Changing your furnace filter is one of those home maintenance chores that's easy to forget until you've got ...

Homeownership comes with what feels like a never-ending to-do list. One important task on that list is ensuring your heating and cooling system is properly maintained. You should be replacing your ...

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Q. Do you have any information about the type of furnace filters that are promoted by Paul Harvey? In particular, are they effective? Are there brands available in local stores? S.P. Chelsea. A. As ...

The forced-air heating and cooling systems that keep our homes comfortable year-round require very little maintenance. In most cases, all you must do to keep the equipment operating at peak efficiency ...

Wintertime means indoor heating time for most climates, but does that mean you actually have to put more work into checking your HVAC system's filter?

Dust, pollen, smoke removal is how well a model cleared air of fine clay dust and cigarette smoke when operating at its highest speed. A model that scores well for dust removal should perform ...