Duct sealing doesn't cause a mess

When I realized that the problems with comfort, air quality and high energy bills were caused by leaky ductwork, I was worried.

The duct system is concealed inside walls and ceilings.

There’s no easy way to access the pipes. I assumed that repairing the holes would require a huge remodeling project. I imagined tearing down walls and ceilings and a huge mess. I figured the project would be time-consuming and super expensive. I was tempted to just live with holes in the ducts, but the issue was severe. Duct testing revealed that 25% of the conditioned air produced by the furnace and air conditioner was escaping through imperfections. Along with excessive energy bills, the issues with the ductwork was forcing the heating and cooling equipment to run more often and work harder. The added wear and tear would eventually lead to repairs and failure. Plus, various rooms in the house were either overheated or downright chilly. There was constantly dust and other particles floating around in the air, and I was concerned about potential health threats. I finally sat down with the HVAC contractor and discussed the duct sealing process. He explained that it was possible to effectively repair the ducts from the inside. The first step was to block off all of the supply and return registers. The contractor then sent highly pressurized air into the duct system. This air carried adhesive, non-toxic polymer particles. As the air leaked from the many holes, those particles stuck to the edges and gradually built up to create an airtight seal. The whole duct sealing procedure took a couple of hours. There was no disruption to the home, unpleasant odors or sticky residue left behind. The duct sealing process was wonderfully effective, and it’s guaranteed for ten years.


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