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Should I Close the Air Conditioner Registers in Unused Rooms to Save Energy?

- Jimmy in Prescott Valley
Jimmy, it seems like common sense to seal off a room you rarely use so you do not waste money cooling this area. But it is not the best idea. If you seal off a room’s air conditioning registers and close the door, you can create extra pressure on your air conditioning system. That can actually cause air to leak through your ducts and that is a waste of air conditioning, energy and money. A study by the Lawrence Berkeley National Laboratory proved that closing registers in unused rooms actually increased energy use throughout the home. Plus a hot room with too little air flow is a breeding ground for mold and mildew, which can ruin your furniture and create health problems.

Phone: (928) 778-0040


810 E. Sheldon Street, Prescott, AZ 86301

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