Closing Air Conditioning Vents

Comfort issues remember a psc blower delivers less air the more vents you close.

Closing air conditioning vents.

Closed vents increase pressure. Supply and return vents are strategically placed so that the amount of air that comes out of your supply vents is equal to the amount of air that is sucked in by your return vents. A self closing vent intended for use in attics crawl spaces joist cavities exterior walls interior walls or other structural element which allows for the free flow of air from outside a building to interior spaces during normal use. Magnetically actuated auto closing air vent u s.

But there are a few other important problems closing vents can cause including. The typical system however is far from ideal. Other issues with closing vents. The belief is that closing a vent will simply push the air onward to other parts of the home improving energy efficiency.

Before closing any vents in your home. That means the ductwork was sized so that amount of air going into your air conditioning system equals the volume of air going out of your system. Homeowners typically close vents in an attempt to redirect air away from unused spaces. That means your home will take longer to cool down or heat up.

So we ve covered the most important problem with closing vents. If you close off the vents in a room you throw off the intended pressure balance that your system is designed to operate under which can lead to the effects below. In a well designed system the blower moves the air against a pressure that s no greater than the maximum specified by the manufacturer typically 0 5 iwc. This causes a couple of problems.

Leaking or burst ductwork. The ideal system also has low duct leakage. Many homes lose even more. Ensure that your ducts are properly sealed and connected.

So when you shut some vents you are messing up the balance of your ac system. But this is an average. By closing air vents that are not being used many homeowners experience rather substantial savings on their monthly energy bills enabling them to use these savings elsewhere. By using a variety of methods with their air duct vent covers many people are experiencing temperatures in their homes that are better than ever.

When you close vents pressure builds up in your ducts.