How does Aeroseal Work?

Aeroseal is a patented breakthrough technology that tackles duct leaks from the inside out. The Aeroseal process puts escaping air under pressure and causes polymer particles to stick first to the edges of a leak, then to each other until the leak is completely sealed.

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Breaking down the process & how Aeroseal works

From preparation to pretesting your ductwork all the way to handing you your Aeroseal certificate.
  • 1. Prepare Your System

    Plugging your registers with foam forces the air in your duct work to escape through leaks. By forcing air to escape through leaks we are able to pretest your duct system and begin the duct sealing process.

    How Aeroseal Works: Preparing your System

    A small access hole is cut into the supply or return and a temporary collar is attached. The air conditioning indoor coil, fan, and furnace are temporarily blocked with a foam plug to prevent sealant particles from entering this part of your system.

    How Aeroseal Works: Attaching the Collar

    The next step of the process is to pretest and inject non-toxic sealant into your duct work. The pretest measures exactly how much duct leakage your system has in square inches and also calculates just how much air is escaping through leaks in your duct work.

  • 2. Pretest Your Ductwork

    Once the system is properly prepped the Aeroseal machine is connected to the duct work using lay flat tubing.

    How Aeroseal Works: Pretesting your Ductwork

    The Air Duct Diagnostic pretest will detect the exact amount of duct leakage in the duct system – the typical duct leakage detected in a home is between 30-40%.

    Next, the non-toxic, UL tested and approved, aerosol sealant is injected into your duct system. As the sealant exits your ductwork through leaks it begins to collect on the edge of the hole until the leak is completely sealed. Aeroseal can seal leaks up to 5/8ths of an inch.

  • 3. Seal Your Ductwork

    Small aerosol particles are injected and kept suspended in the airflow by continuous air movement.

    How Aeroseal Works: Sealing your Ductwork

    The aerosol particles begin collecting on the edges of holes and cracks in your duct work and seal your leaky duct work from the inside.  This entire process is computer controlled where you can monitor the results in real time showing you just how effective the Aeroseal process is. Ducts are sealed with only 1 to 2 oz. of sealant material.

  • 4. Review Your Results

    A computer generated analysis summarizes your home’s duct leakage reduction providing you with verification of the success of the Aeroseal application.

    How Aeroseal Works: Before & After Sealing

    Once the process is complete your certified Aeroseal technician will provide you with a printed certificate summarizing your results.

  • Enjoy Improved Home Comfort & Indoor Air Quality!

    Now that you’ve had your ductwork sealed with Aeroseal you can expect to experience increased home comfort, improved indoor air quality, and lower energy bills!

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Our Nationwide Network of Dealers are Ready to Help You.

We were amazed by how fast Aeroseal was installed in our home.   There was so much more heat coming through our vents. Our furnace was not turning on as much because our house was staying warmer!

Morgan A

Morgan AHomeowner

Since we’ve Aerosealed our home we’ve seen dramatic decreased in our utility bills. The job has already paid for itself and the money we are saving is going straight into our pockets!

John Z.

John Z.Homeowner