“You Should Close the Vents in Rooms You Don’t Use”
The air handler (or blower) in a residential heating-and-cooling system design moves a certain amount of air whether you leave all the vents open or choose to close some of them. So, closing registers may actually reduce the total amount of air moved by the blower, which reduces its efficiency. Wondering if it’s time for a new furnace? Our experts offer advice to help you decide.
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