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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. 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 …

  3. 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 …

  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. 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 …

  6. 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 ducts in …

  7. Attic insulation on the floor using foam board

    Dec 1, 2025 · I’m insulating my attic floor in climate zone 4A. Attic is vented with soffit and ridge. I have 2×6 floor joists. I was going to lay r-23 rockwool batts in between the joists and then do criss cross …

  8. 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 …

  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. Attic remodel / sistering rafters - GreenBuildingAdvisor

    Jun 9, 2025 · After early framing help from a capenter, I’m taking on an attic renovation. The carpenter installed knee walls at 35 inches. Because the existing 2×6″ collar ties were only halfway […]