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AhaBulb: Stuff Everyone Should Know · ahabulb.com/home-duct-leak

In a typical house with forced-air ducts, about how much of the air is lost to leaks?

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  1. About 1 to 2 percent
  2. About 20 to 30 percent
  3. About 60 to 70 percent

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References

  1. ENERGY STAR: Duct sealing www.energystar.gov/saveathome/heating-cooling/duct-sealing Checked 2026-10-10.
  2. ENERGY STAR: Duct sealing www.energystar.gov/saveathome/heating-cooling/duct-sealing Checked 2026-10-10.

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