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- Should I vent my unvented garage attic? - GreenBuildingAdvisor
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 California in climate zone 3-C (Marine), so mild weather year-round
- Can too much soffit and ridge ventilation actually hurt a house if the . . .
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 more vents at the soffits than at the peak, which slightly pressurizes the attic, reducing exfiltration
- Ducts in an Unconditioned Attic - GreenBuildingAdvisor
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 closed-cell foam or following code-prescribed methods for burying ducts in insulation can prevent the problem Illustration courtesy Home Innovation Research Labs
- Is Venting an Unconditioned Attic Necessary?
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 shortened by higher temperatures, and asphalt shingles do stay cooler with a ventilated attic But the effect is small, with only about six percent reduction in
- All About Attic Venting - GreenBuildingAdvisor
A rundown of reasons why venting an attic makes sense and how it can prevent issues that negatively impact a house's performance
- Venting Bathroom Exhaust Air - GreenBuildingAdvisor
Exhaust air from bathroom fans should never be ducted into an attic but rather to a point outside the building enclosure
- The Best Way to Keep Your Attic Cooler is to Change Your Roof Color
A dark roof gets hot, and that heat conducts downward into the attic The best way to keep that heat out of the attic is to prevent it from being absorbed by the roof Image Credit: Cameron Taylor View Gallery 5 images
- Using an ERV to Collect Attic Heat - GreenBuildingAdvisor
The attic warms to a useful temp of 72 by about 11am on a clear day The ERV starts running, and pumps down progressively more heat as the attic heats up from the sun, and the temperature differential between the attic and the conditioned space increases
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