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Should I Close the Vents in Unused Rooms to Save Energy?

5.0 Rating

small_4753578952Given the fact that you have the ability to shut individual air vents in your home, you might be tempted to close off the vents in rooms that you don’t use very often in order to save energy. But as it turns out, doing so can have some unintended consequences. Today we’re going to help you understand this common misconception by answering the question, “Should I close the vents in unused rooms to save energy?”

What’s the idea behind closing vents in unused rooms?

In theory, closing off vents in unused rooms sounds like a great idea. By closing the vents and shutting the doors in rooms that mostly stay unoccupied, the hope is that we won’t waste energy on heating those rooms and that the blocked-off warm air will be used to heat other parts of your home instead. The reality of what happens, however, is quite different.

What actually happens when you close off vents in unused rooms?

Your heating system is designed to operate under a specific pressure load that is measured for your entire home. When any of your vents are closed off, that pressure load is thrown off balance. This creates a scenario where the pressure in your ducts increases and the airflow to your furnace is restricted.

Problems that can be caused by closing vents in unused room

If you have any questions about whether or not you should close vents in unused rooms, or if you’d like a heating system serviced or installed in your home, contact Jerry Kelly, your St. Louis heating and cooling contractor. We service the entire St. Louis area, including towns like St. Charles, Town and Country and Weldon Spring.

photo credit: jasleen_kaur via photopin cc

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