Concerned about mold in the HVAC system? Address the problem quickly to avoid the spread of mold spores through the air vents ...

The usual suspects have been checked, but the comfort problems still persist – dig deeper with these four diagnostic steps ...

Filters keep particles from entering the heating or cooling unit and capture ... You also can vacuum and clean the louvered metal grilles of return air ducts on the wall or floor when there ...

Measuring air flow in an HVAC duct can be a tricky business. Paddle wheel and turbine flow meters introduce not only resistance but maintenance issue due to accumulated dust and debris.