Closing Air Conditioner Vents Unused Rooms

When you start closing registers in unused rooms you make the duct system more restrictive.

Closing air conditioner vents unused rooms.

In this article we re addressing one common tip that s a bad idea closing your air conditioning vents in unused rooms. Closing vents can actually cause your ac or heat pump to run inefficiently and eventually break. When you start closing vents in unused rooms you make the duct system more restrictive. The side effects of closing vents in unused rooms.

But will closing vents in unused rooms help cool your house better. Closing air vents is a popular strategy for adjusting air flow in the home but it s not necessarily a good one. The dangers of closing air vents in unused rooms it seems like a good idea. When you close off supply vents air will build up inside of your ducts because there will be less vents.

Closing air vents in unused rooms may seem like a no brainer but trust the experts. Closing vents in unused rooms saves energy from entering the room but it also pushes the excess air to other places in your home. Restricting airflow to your system by closing off vents can cause your air. It s even worse than wrong.

A lot of people think this tactic will save money by using the hvac unit to heat or cool fewer rooms. Closing vents in rooms we don t use will save me money many arizona homeowners think this but it s 100 wrong. In fact it can actually waste more energy than operating your system normally does. Just close the vents in unused rooms and only control the air temperature in rooms that you use.

This is not the way your duct system works. Homeowners typically close vents in an attempt to redirect air away from unused spaces. Your energy bills will be higher. Closing vents does not save you money.

You want those vents wide open to allow your hvac system the freedom to operate freely. Some of the advice is good and some is bad. On balance this idea sounds like it has some merit if that is the air that is blocked from one room or rooms because of closed vents simply skips over to a room or rooms with open vents. The pressure increases and that means an ecm blower will ramp up to keep air flow up whereas a psc blower will move less air.

Despite that logic it s actually a common misconception that closing vents in unused rooms saves energy. Most homes don t have sealed ducts either so the higher pressure in the duct system will mean more duct leakage as shown below. The pressure increases and that means an ecm blower will ramp up to keep air flow up whereas a psc blower will move less air. And therein lies the problem.

If you google home energy efficiency tips you ll get millions of results.