How To Seal Air Ducts In Attic

After sealing air ducts in the basement and attic you will find that both areas will become colder.

How to seal air ducts in attic.

Sealing your ductwork can shave 20 off your energy bills. Air duct sealing video transcript. Sealing duct leaks can improve the efficiency of your hvac system by around 20. If you have ducts that aren t sealed you are probably leaking a lot of conditioned air into your attic space.

The first step of air sealing is testing the attic to identify where the air leaks are. Sealing ductwork is an easy diy project you can do this weekend. Locate the source of the thermal leaks by inspecting the ductwork while the air conditioner is running. It is also recommended that you have your pipes insulated in both areas.

If you do not have proper insulation in your attic and basement consider insulating both. You all have duct work either in your attic or crawlspace or something like that. Use zip ties to secure any loose ducts to the attic floor. Possibly in an unfinished basement.

Additional air duct sealing tips. To seal these openings use caulk or spray foam. Ducts are what distribute heat and air conditioning to the various rooms of your house and often these passages have gaps in their connections allowing the conditioned air to leak out before it reaches the intended room. For larger holes filler material may be needed.

It s easy to overlook electrical wires ducts pipes and vents in the attic but the openings around these are holes can compromise the air sealing of your attic. The result will be a much more efficient and comfortable home because your hvac system won t need to run as long to get the house to the temperature you want. Save energy and money. Attic air sealing benefits.

Once we know we use an expanding foam to seal the areas and prevent air transfer. I ll show you how to find leaks and seal them in the how to video. Even if you have adequate attic insulation finding and sealing air leaks air leaks will improve insulation performance and make for a much more comfortable and energy efficient home. Most homeowners don t think about sealing the air ducts of their home but the process is crucial to keeping your house energy efficient.

Here are some of the substantial benefits you will enjoy after spending a day or two sealing attic air leaks. Apply a generous amount of sealant mastic over the thermal leak. Seal fireplace and furnace holes. Make sure the duct is secure in place and wait for it to dry.

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