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  1. 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 …

  2. 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 Northern …

  3. Can too much soffit and ridge ventilation actually hurt a house if the ...

    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 recommendation is to have …

  4. 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 …

  5. 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.

  6. Finalizing insulation in converted conditioned attic

    Jan 19, 2025 · Hi all: I recently converted the formerly vented attic above my attached garage to an unvented and conditioned attic. This attic houses my geothermal air handler, whole house …

  7. Will positive pressure work to vent an attic (i.e., blowing air in ...

    Aug 12, 2012 · My father is interested in removing heat from his attic to try to keep the upstairs of his house somewhat cooler. I have advised him that generally speaking, attic fans are a bad idea, which …

  8. Blown-in fiberglass consists of milled glass fibers like those used to make fiber-glass batts. When it is blown onto an attic floor, it is referred to as loose-fill fiberglass. This material has a lower R-value per …

  9. 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 the attic, the air …

  10. 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 …