Leaking ducts can be a big roadblock to home performance and overall efficiency at any time of the year. Not only can conditioned air leak out into spaces you don’t want it to, like inside walls or in basements and attics, but leaks can also allow dirt, dust and other particles to get into the system. This causes dirty air to be pushed throughout the home, which can hinder indoor air quality, reduce comfort and more.

So what’s the solution? Well, proper sealing of duct leaks is the best place to start. There are a number of options out there for going about sealing your ducts, some much more effective than others. Most traditional duct sealing processes rely on a painted on material that seals the outside of ducts to stop leakage. There are a few potential problems with this process. First, this process only allows visible portions of ducts to be reached and sealed. Secondly, it only seals the outside of the ducts, which could potentially leave room for error during application of the seal.

As an alternative to these traditional duct sealing methods, the team at BelRed offers Aeroseal duct sealing. Aeroseal provides the most comprehensive coverage by sealing from the inside out. Aeroseal software allows a professional technician to accurate measure the duct leakage in the home. This process puts escaping air at that leak under pressure and causes polymer particles to stick first to the edges of the leak, then to each other until the leak is filled. This process also addresses the issue of the inability to reach invisible ducts hidden within walls, floors and ceilings. Since the process seals all leaks from the inside out and travels through the entire duct system of the home, no leak is missed—even in hard or impossible to reach places.

During the Aeroseal process, sealant is injected into the ducts for approximately one hour depending on the size of the home and duct system. The sealant actively seeks out and fills leaks. Ducts are sealed with only 1-2 ounces of sealant material remaining in the ducts. Once the process is complete, a computer-generated analysis is performed by the HVAC professionals to confirm successful sealing of the entire duct system.

Our tests have shown that most homes in the Puget Sound area have significant leaks in their duct system. It doesn’t have to be this way. If you want to ensure that you get the comfort you are paying for by having BelRed seal and insulate your duct system with Aeroseal. Our process is guaranteed for 10 years!

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