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  1. Should I vent my unvented garage attic? - GreenBuildingAdvisor

    Nov 19, 2024 · I’m building a new single-story single-family house with an unvented attic and am looking for input on how to address my attached unvented garage attic. The home is located in …

  2. Can too much soffit and ridge ventilation actually hurt a house if …

    Dec 31, 2024 · In a poorly sealed house roof venting can increase the stack effect - meaning more air entering the house at the base, and exiting into the attic. That's why the …

  3. Attic Upgrades and Ventilation - GreenBuildingAdvisor

    Sep 30, 2024 · BGG had an energy audit done, which informed his plan to remove the existing fiberglass batts, air-seal the attic, install a ducted heat pump system, then blow in cellulose …

  4. Venting Bathroom Exhaust Air - GreenBuildingAdvisor

    Jul 25, 2024 · Exhaust air from bathroom fans should never be ducted into an attic but rather to a point outside the building enclosure.

  5. Why is There Frost in the Attic? - GreenBuildingAdvisor

    Nov 24, 2022 · Attic insulated with spray foam at the roofline. Thermal bridging is reduced by spraying over the rafters. Air leakage is reduced by encapsulating the attic. By encapsulating …

  6. Is Venting an Unconditioned Attic Necessary?

    Jun 29, 2023 · Venting an attic in cooling season The warm-climate, summertime problems of shingle life and cooling costs also show little improvement from attic ventilation. Shingle life …

  7. Ducts in an Unconditioned Attic - GreenBuildingAdvisor

    Feb 12, 2021 · Running unprotected ductwork through an attic can court problems. Particularly in hot-humid climates, moisture can collect on the outside of ducts in summer. Encapsulating …

  8. The Best Way to Keep Your Attic Cooler is to Change Your Roof …

    Aug 26, 2015 · Powered attic ventilators are the worst way to try to keep your attic cool. They’ve been well-discussed here and other places, but briefly they’re not cost-effective, don’t deal …

  9. All About Attic Venting - GreenBuildingAdvisor

    Dec 6, 2013 · A rundown of reasons why venting an attic makes sense and how it can prevent issues that negatively impact a house's performance.

  10. 6 Ways to Improve Ducts in an Unconditioned Attic

    Jul 22, 2021 · 6. Keep your attic cooler with a reflective roof or radiant barrier Another way to reduce heat flow into your ducts from a hot, unconditioned attic is to keep the attic cooler. The …