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This startup seals your leaky home so you waste less energy and reduce your bill

Diana Olick of CNBC reports on Aeroseal, a startup that is sealing leaky homes.

The C3 Take
  • Leaky air ducts and walls are the biggest reason for wasted energy in homes and can lose between 25% and 40% of heating or cooling energy put out.
  • Aeroseal’s system does not need to cut into walls and instead works through ducts to pressurize and seal leaks.
  • While Aeroseal’s solution costs about $2,500 to implement, the investment pays itself off within 4 years through lower energy costs.


“The system is relatively simple, and akin to fixing a flat tire. It first pressurizes the ducts or building envelope with a fan, then injects micron-sized particles, which, as they try to escape the building or any space, automatically adhere to the gaps and seals them. The particles are made of a non-toxic, non-flammable emulsion of water and vinyl acetate, according to the company, which adds that these are some of the same ingredients found in pacifiers and chewing gum.”

Read the full article here.

The views and opinions expressed are those of the author’s and do not necessarily reflect the official policy or position of C3.

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