|
- 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
- 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
- Attic Upgrades and Ventilation - GreenBuildingAdvisor
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 insulation He asks if, while the attic is empty, it is a good time to perform other upgrades He is particularly interested in whether mechanical ventilation should be added
- 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
- 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
- 6 Ways to Improve Ducts in an Unconditioned Attic
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 cool your attic is by stopping the heat before it has a chance to enter by using a reflective roof
- Why is There Frost in the Attic? - GreenBuildingAdvisor
The solution, part 2: venting the attic with outdoor air Another way to reduce the likelihood of getting frost in the attic is to vent the attic with outdoor air Cold air is dry air, so bringing outdoor air in reduces the humidity That in turn reduces the dew point temperature, making condensation and frost in the attic less likely
- R38 vs R49 60 attic insulation - GreenBuildingAdvisor
I’m trying to get a sense whether its worth adding more insulation to my attic Climate zone 5A Currently has R38 insulation (R11 batt + R27 blown-in fiberglass) The attic […]
|
|
|