Sealing Ac Ducts In Attic

Air sealing your ducts is cheap and easy and it save s a lot of money.

Sealing ac ducts in attic.

Seal both the supply and the return air ducts. Snap a plastic cap onto the duct end to keep the insulation from snagging then slip the pre formed piece over the duct. If you do not have proper insulation in your attic and basement consider insulating both. Make sure the duct is secure in place and wait for it to dry.

We make your home or building more comfortable in the continental us and canada. Apply a generous amount of sealant mastic over the thermal leak. Additional air duct sealing tips. In fact leaky ducts can result in the loss of 20 to 30 percent of the air that runs through your hvac system according to energy star.

Steps to sealing attic air ducts. Air duct sealing video transcript. After sealing air ducts in the basement and attic you will find that both areas will become colder. You all have duct work either in your attic or crawlspace or something like that.

Sealing ductwork from the inside out is a much more complicated process and will likely require hiring a professional. Learn how to seal yo. Using a duct sealant called mastic is the professionals choice. Use zip ties to secure any loose ducts to the attic floor.

Locate the source of the thermal leaks by inspecting the ductwork while the air conditioner is running. Set up your free estimate contact us today. Well if they re not properly sealed. Return air duct sucks air in so sealing them keeps smelly basement air and or attic dust from creeping into our air supply also.

Duct sealing by michael church here and in this video we re going to show you how and why it s very important to air seal the run of the ductwork. Duct leakage occurs when the conditioned air in a home escapes your duct system through holes loosely connected ducts or improperly sealed duct connections. Attic systems can help you improve your home s efficiency and comfort with attic insulation air sealing duct work solutions radiant barriers and more. Possibly in an unfinished basement.

To seal ductwork from the inside. The other consideration here is that we re not only sealing the air in but the dust out. Gently pull the insulation over the entire length of duct.