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  1. 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.

  2. 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 …

  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 …

  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. Ductwork in an Unconditioned Attic - GreenBuildingAdvisor

    Jun 12, 2017 · A look at how to manage issues that arise with HVAC equipment and ductwork in an unconditioned attic.

  6. 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 …

  7. Air flow between garage attic and house attic

    Apr 21, 2025 · The garage wall and ceiling have fire-rated drywall. There is an attic space above the garage and an attic space above the house. Currently, these two attic spaces are …

  8. Does Spray Foam in the Attic Make It a High-Performance Home?

    May 27, 2021 · Where an R-20 encapsulated attic does sometimes make sense is for existing homes. If a homeowner has a set budget for improvements, using some of that to do R-20 …

  9. Controlling Humidity in an Attic with Spray Foam Insulation

    Jul 29, 2021 · Using an exhaust fan in an encapsulated attic Since that time, we’ve been experimenting with ways to keep the attic humidity low. One of the methods we’ve tried is …

  10. 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.