Ac Duct Leaking In Attic

If your hvac system isn t blowing air when you re checking your ductwork you won t be able to locate less obvious leaks.

Ac duct leaking in attic.

When water condenses and drips into your attic or home it can cause a some serious secondary problems. Leakage on the return side means hot air from your attic is getting sucked into your ductwork. Throw duct leakage into the mix and the problems are even worse. The spots where two air ducts connect are common places for leaks to occur.

First water dripping off of your ducts and onto your insulation can cause the insulation to compress which decreases it s r value or ability to insulate. So water is condensing on your ac ducts. The indoor ac unit in many phoenix area homes is attached to your furnace and located in the attic. With the furnace fan running you can feel air escaping the duct.

And the more air your ducts suck in from your attic the less air it needs to suck in from inside your home. Check the duct joints. This air leaks into your attic space and never reaches your living area which may lead to you adjusting your temperature. Why is this a problem.

With hundreds of square feet of ductwork surface area in the attic and a δt of 75 f the air coming out of the vents in your home will be significantly higher than 55 f. Learn how to seal yo. Duct leakage can happen on both sides of the system. Using a duct sealant called mastic is the professionals choice.

Leaking air ducts can lead to a significant loss of heated and cooled air. If you ve tried troubleshooting the above culprits your problem could be a refrigerant leak generally there will be less water leaking as a result of a refrigerant leak than a clogged condensate drain. Leaks in ductwork are often found where lines branch off or separate. The greater the amount of air that s flowing through the easier it will be to find air duct leaks.

Once you ve found the leak use foil duct tape to cover the gap and seal the leak. Poor comfort does your air feel. A refrigerant leak causes ac vents to leak water in almost the same way a dirty air filter does. There are five signs that can indicate ductwork is leaking air causing problems in your texas home.

Air conditioning systems are made up of two separate components the condenser or outdoor unit and the air handler or indoor unit. Why is condensation on ductwork a problem. And if ducts leak you could be losing as much as 30 percent of the energy your hvac equipment produces through those air leaks. On the other side the supply side it exhales conditioned air back into your home.

For an extra layer of protection use a paintbrush to apply a coat of duct mastic.