Sealing Ac Ducts In Attic

You all have duct work either in your attic or crawlspace or something like that.

Sealing ac ducts in attic.

Set up your free estimate contact us today. Return air duct sucks air in so sealing them keeps smelly basement air and or attic dust from creeping into our air supply also. Gently pull the insulation over the entire length of duct. We make your home or building more comfortable in the continental us and canada.

The other consideration here is that we re not only sealing the air in but the dust out. Apply a generous amount of sealant mastic over the thermal leak. Using a duct sealant called mastic is the professionals choice. 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.

Air sealing your ducts is cheap and easy and it save s a lot of money. It is also recommended that you have your pipes insulated in both areas. Air duct sealing video transcript. Duct leakage occurs when the conditioned air in a home escapes your duct system through holes loosely connected ducts or improperly sealed duct connections.

Use zip ties to secure any loose ducts to the attic floor. Possibly in an unfinished basement. Learn how to seal yo. Well if they re not properly sealed.

When the hot humid attic air contacts the cold duct or the cold duct boot the moisture in the air condenses on the cold surface just like the condensation that happens on a cold can of beer. If you do not have proper insulation in your attic and basement consider insulating both. The air in your vented attic is hot and humid just like all outdoor air in florida. Locate the source of the thermal leaks by inspecting the ductwork while the air conditioner is running.

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. Attic systems can help you improve your home s efficiency and comfort with attic insulation air sealing duct work solutions radiant barriers and more. Sealing ductwork from the inside out is a much more complicated process and will likely require hiring a professional. Snap a plastic cap onto the duct end to keep the insulation from snagging then slip the pre formed piece over the duct.

Make sure the duct is secure in place and wait for it to dry. To seal ductwork from the inside. Seal both the supply and the return air ducts.