• anw-aeroseal-installFree Consultation – Have a question about your home comfort? Saving energy? Reducing indoor allergens, mold or dust? Give our experts a call at 605-530-6314. If it looks like your concerns may be the result of dirty or faulty air ducts, we’ll be happy to visit your home to learn more and discuss how we can help.
  • Air Duct Inspection – The best way to tell if dirty or leaky ducts are costing you money, creating family health issues or causing discomfort, is by conducting a quick but detailed inspection of your ductwork. Our duct system specialists are trained to perform honest and thorough inspections that provide the information needed to determine the health of your duct system. Our computerized equipment accurately measures the exact amount of leakage in your duct system and provides the information you need to determine the amount of energy savings you can expect from sealing those leaks.
  • Duct Sealing – Before Aeroseal, the only way to seal duct leaks was to use tape or mastic (plaster) which is manually applied to the outside of the ductwork. While this might work for the leaks you can easily see and access, it doesn’t address 90% of the ductwork that is hidden behind walls, under insulation or other hard to reach places. Aeroseal works from the inside of the ductwork to seal virtually all the leaks throughout the system. We start by blocking all the vents in your home and attaching a long flexible tube to a temporary access point made in the ductwork. The tube is connected to the aeroseal equipment which generates and blows microscopic particles of sealant into the inside of the ductwork. The mist of sealant travels  throughout the entire system and is drawn to the leaks. The particles attach to the edge of the hole and begin sticking and bonding to other particles until the leak is completely filled. Aeroseal only sticks to the leak and does not coat the walls of the ductwork. The entire process takes less than a day to complete and the results are immediate. A computerized printout generated by the Aeroseal equipment provides an analysis of the process that includes the before and after results. When completed, you’ll know exactly how much leakage was sealed.

The Aeroseal sealant is safe and non-toxic. In fact, is has been used to seal ductwork in dozens of hospitals, schools and other sensitive environments.

Best of all, Aeroseal works. It is guaranteed to last for ten years but research at Lawrence Berkeley National Laboratory concludes that the sealant will most likely last the life of your home.

The U.S. Department of Energy has called Aeroseal one of the most significant energy-saving technologies to be made available to homeowners since the agency was first established. This Old House Magazine awarded it a top technology of the year.


nyt-graphEnergy Savings – Research has found that sealing your ductwork is oftentimes the single most effective thing you can do to reduce your home energy bill – almost 3 times more effective than insulating your attic and 5 times more effective than replacing your windows .

It is also one of the most cost effective measures you can take to save energy. Most homeowners save enough on their energy bill with Aeroseal, that the process pays for itself in just 2 to 3 years. This is compared to window upgrading with a 70 year return on investment or wall insulation with a 90 year ROI.

Comfort – Sealing your ductwork with Aeroseal can also have a huge impact on your indoor comfort. If you have rooms that never seem to get enough heat in the winter or air conditioning in the summer, there’s a good chance that leaks in your ductwork are preventing that treated air from reaching its intended destinations. Many of our customers are amazed at the difference they feel throughout their home immediately following the sealing process.

Improved Health – Leaks in the ductwork can also be a main contributor to poor indoor air quality. Holes in the ductwork can suck in air from contaminated locations (such as behind walls or in the attic) and then spread it throughout the rest of the house. If you notice that you are needing to dust more than you think you should, or if you are having issues with allergies, aerosealing your ductwork could very well be the answer.


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