Wonder if top-rated furnace filters are worth investing in for optimal air quality and efficiency? Check out recommendations to upgrade your home's HVAC system.

This article will explain how furnace filters work, how often you should replace yours, what type of filter to get and more.

The filter has a high MERV rating Some high-performing furnace filters have the ability to trap substantially more indoor air contaminants than your run-of-the-mill filter.

Leaving the cover off the air filter housing in the winter could create a dangerous situation; don’t do it. In fact, put it back on in the summer too. This is something that needs to be ...

Your furnace manual will tell you what kind of filter you need. If it's a disposable filter, the manual should indicate what size, and recommend either a pleated or non-pleated variety.

A: If I understand your letter correctly, you have replaced the fan door on the furnace with a filter to increase the amount of return air available. This is very dangerous. By allowing the fan to ...