One of the more common mistakes people tend to make is closing the vents in unused rooms. Perhaps you have a guest room to spare or a sunroom that's experiencing minimal foot traffic this year and ...

These dampers act as a block at the main duct trunk line, causing your system to function like there isn’t a vent in that particular room at all. Unless you’re experienced working with HVAC ...

Completely closing your vents might damage your HVAC system and raise energy costs, but you could save money with fewer risks ...