Sealing Air Ducts: The Inside and Outside of Your Home

Maintaining a home's energy efficiency is essential for keeping your system running smoothly and efficiently. Sealing air ducts is an important part of this process, as it ensures that more of the air conditioner moves where it should. It is recommended to manually seal them with fiberglass mesh tape and putty, and the duct material must have an internal air barrier. In a typical home, about 20 to 30 percent of the air that passes through the duct system is lost due to leaks, holes, and poorly connected ducts. To manually seal parts of the duct system that have not been treated with the injected spray sealant system, start by sealing air leaks with putty or metal tape and insulating any ducts you can access (such as those in attics, tight spaces, unfinished basements, and garages).

Other reconditioning products for sealing ducts from the inside include commercially available spray coating products. Sealing ducts with an acrylic spray-injected sealant is an effective way to eliminate duct leaks, when combined with manually sealing other easily accessible areas. All joints and joints in air ducts, air treatment systems, and filter boxes are practically hermetic using tapes, putties, liquid sealants, gaskets, or other approved sealing systems. Ideally, all air that circulates through the air treatment system reaches the terminations of the supply grid without air leaks, and that all air that enters through the return duct grilles returns to the air controller without leaks. A well-designed and sealed duct system can make your home more comfortable, energy efficient, and safe.

It reduces the risk of combustion safety problems such as the ingress of air to the rear; however, the effects of duct sealing on combustion appliances and ventilation grilles should be checked to confirm that more hermetic ducts do not negatively alter the pressure dynamics of the house and cause these types of problems. Sealing your home's air ducts is essential for maintaining energy efficiency. It ensures that more of the air conditioner moves where it should and your system won't have to work hard to keep you comfortable. Duct leaks can reduce system efficiency by up to 20%, so it is important to seal them properly. By following these instructions you can ensure that all air that circulates through your home's air treatment system reaches its destination without any leaks. When it comes to sealing your home's air ducts, it is important to consider both inside and outside sources.

Inside sources include attics, tight spaces, unfinished basements, garages, and other easily accessible areas. Outside sources include commercially available spray coating products and acrylic spray-injected sealants. All joints in air ducts must be sealed with tapes, putties, liquid sealants, gaskets or other approved sealing systems in order to ensure a hermetic seal. This will help reduce energy costs while also ensuring safety from combustion problems. By following these instructions you can ensure that all air that circulates through your home's air treatment system reaches its destination without any leaks.

Sealing your home's air ducts is essential for maintaining energy efficiency and ensuring your system runs smoothly and efficiently.

Joel Reid
Joel Reid

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