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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 […]
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 […]
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
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:
Are Powered Attic Ventilators Ever a Good Idea? If you don’t have air conditioning or natural-draft combustion appliances, a powered attic ventilator can keep your attic cooler I had someone once tell me that the rubber handles on a wheelchair he stored in the attic stopped melting after he installed one But for keeping the house cool, a powered attic ventilator isn’t a good idea
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
Is Venting an Unconditioned Attic Necessary? The condensation-related problems associated with unconditioned attics have less to do with ventilation than air-sealing and insulation
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
Controlling Humidity in an Attic with Spray Foam Insulation 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 using a small fan to exhaust air from the attic If the attic is properly sealed to the outdoors (and many spray foam attics aren’t), the replacement air comes from the conditioned space below the attic and is cool and dry
How to Insulate and Air-Seal Pull-Down Attic Stairs Pull-down attic stairs are super-sized attic hatches that just beg homeowners to store more stuff in their attic Besides the air-leakage and insulation problems stemming from having a particularly large hole in your ceiling, pull-down stairs creates a potential storage headache For homeowners, a storage problem usually means “not enough space ” For energy auditors, a storage problem