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Installing an ERV in an Unvented Attic - GreenBuildingAdvisor I’m finally done with the insulation project and trying to move on ERV project I have bought Panasonic FV-10VE1, have some questions regarding ERV and unvented attic The insulation on […]
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
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
Air Leaks From Your Home To Your Attic Need To Be Sealed It’s important to keep attic air out of the house and house air out of the attic That's why the home performance industry and every above-code building program make it a top priority to fully separate attics from the rest of the building When the attic isn’t fully air sealed from the living space and the combustion appliance zone, three undesirable scenarios can occur:
Finalizing insulation in converted conditioned attic 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 dehumidifier, and […]
A New Look at Conditioned Attics - GreenBuildingAdvisor The problem is attic ductwork The main reason that anyone talks about conditioned attics is that some builders want to install ducts in the attic Installing ducts in an attic is a bad idea, but many builders don’t know that While locating ducts in an attic reduces installation costs for the builder, it increases energy costs for the homeowner
Can I run supply or returns in conditioned attics? What about ERVs . . . Can someone here help me clarify? I initially asked him about running an ERV supply and return in the attic to keep air circulating (and prevent heat humidity from accumulating) He then went into an entire spiel about how this is against code and that it’s a fire hazard since there are exposed electric wires running through the attic
Will positive pressure work to vent an attic (i. e. , blowing air in . . . 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 he has come to terms with However, with that understanding that creating negative pressure in the attic can cause all kinds of problems (sucking out air from the conditioned space, possible back-drafting
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