2024年11月19日 · 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 …

2024年9月30日 · 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 …

2024年12月31日 · 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 …

2024年7月25日 · Exhaust air from bathroom fans should never be ducted into an attic but rather to a point outside the building enclosure.

2025年1月19日 · 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 …

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 …

2012年8月12日 · 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 …

2023年6月29日 · 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 …

2025年12月1日 · 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 …

2013年12月6日 · A rundown of reasons why venting an attic makes sense and how it can prevent issues that negatively impact a house's performance.