House Digest on MSN15h
How Many Return Air Vents Should A House Have? (And Can You Have Too Many?)
Although you may believe you have enough return air vents in your home, certain signs may indicate that you actually need ...
Routine HVAC cleaning can lower energy use and help meet ventilation standards, study says
Cleaning can be a cost-effective tool for increasing occupant comfort and health and building energy efficiency, researchers from two universities found.