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  1. All About Attics - GreenBuildingAdvisor

    Sep 12, 2014 · The classic attic is located above a flat ceiling and has the same footprint as the house below. Some attics are smaller than the footprint of the house, like the attic above the second floor …

  2. Understanding the Energy Code: The 2021 IECC Attic Insulation ...

    Sep 12, 2025 · Learn the requirements for residential attics in different climate zones, the impact on energy efficiency, and the importance of proper insulation installation.

  3. Attic baffles question - GreenBuildingAdvisor

    Mar 24, 2025 · 1. Should there be baffles in the corner of the attic? In the first image, it looks like there are open soffit vents there, but there are no baffles. 2. […]

  4. 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 …

  5. 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.

  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 can be …

  7. Air Leaks From Your Home To Your Attic Need To Be Sealed

    Jul 3, 2014 · It’s important to keep attic air out of the house and house air out of the attic. That's why the home performance industry and every above-code building program make it a top priority to fully …

  8. Installing an ERV in an Unvented Attic - GreenBuildingAdvisor

    Jun 26, 2020 · I’m finally done with the insulation project and trying to move on ERV project. I have bought Panasonic FV-10VE1, have some questions regarding ERV and unvented attic. The …

  9. Three Ways to Insulate Roofs - GreenBuildingAdvisor

    Dec 23, 2021 · The three best methods and the corresponding materials for insulating roofs and attics with input from Kohta Ueno.

  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 best way to …