Green Homes News

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Hello! We have a house built in 1920 and are demoing the lathe & plaster walls and replacing them with drywall. While the stud cavities are exposed, I figured it…

I'm trying to "debug" my recently installed slim ducted heat pump system with two trunks and several takeoffs. I did the Manual D myself.The installer did not install it exactly…

New home build in Connecticut. Hydronic baseboard heat, wood stove ( with its own fresh air intake installed), stove exhaust vent and one bathroom fan,  no other ducts. 1650 sqft, 1.5…

I'm trying to put together a quote for a client but I'm not great at identifying wood species. I need to match the species of the belly casing, baseboard, and…

Like everyone heating with minisplits in the upper Midwest these few days, I'm marveling at their capabilities. BUT, I've got one that's not keeping up, and I'm hoping to hear…

Hey all,We want to double check the dimensions that the door vendors are providing for the jam/jam-extensions for our exterior doors . Since our walls are framed, we have the…

Insulation and air conditioning

Conditioning with outdoor air 

I'm installing two one-ton Mitsubishi Hyper Heat minisplit condensers in my new 960 sq. ft. modular home in Jackson, Wyoming. It's climate zone 7 (10,000 heating degree days, code design…

Hi,I live in North Carolina. Our crawlspace is sealed with plastic on the floor and spray foam on the walls. My understanding is they have to leave a gap at…

What is the best size heat pump to use in combination with a new gas furnace?

Climate Zone 7 Installed a new boiler last summer (baseboard heat and water heater). Ran intake & exhaust at 3" diameter for at around 16ft in the attic and out…

I'm trying to make sense of what is happening in the attic over my garage. The knee wall transitions from fiberglass batts to empty bays with what looks like house…

I'm sealing attic knee walls in the attic over my garage. I've completed sealing most of the wall space, including the floor plate area, but want a second opinion on…

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 will…

Since buying the house, I always wondered what this 4 foot cutout is in the foundation wall. Seems like there is a double layer. I get all kinds of rodents…

Planning a bolt-on extension targeting 3-5 ACH @ 50Pa. We're based in Australia where Proclima has a good library for construction details. Plan is for ventilated facade + extasana for…

I’m buying a home in NJ from a builder who was essentially going to do a builder flip but has allowed us to customize a lot of things along the…