Green Homes News

How do you get a tight house if you have a back up gas burner for water heating?  There is the necessity for make up air supply plus the exhaust…

Let’s learn to live well with “frugal abundance.” We can start by adopting the dictum “enough is plenty.”

I'm finishing my basement in Boston and I have installed 1.5" XPS (yes should have used EPS but it's already been done!) rigid foam from the bottom to the top…

Hello all, we are getting towards wrapping up our house plans and getting some structural details finalized.  Our house has a vaulted room with a 12/12 pitch inside and out. …

I have an air sealing and thermal insulation dilemma. I live in Dublin Ohio and my home was built in 1984.My home is 2X4 platform framed with brick and stucco…

A friend of mine is choosing between the  AOUG12LZAS1/ASUG12LZAS or the MUZ-GL12NA***/MSZ-GL12NA*** in climate zone 4C for an ADU.He wants to go with the Fujitsu (better capacity at 17° and…

I have attached a drawing of the proposed roof remodel. At present there is sheetrock to the underside of the purlins, the MBI blanket over the top of the purlins,…

Would there be any major drawbacks to using 2" of ProRox SL 960 NA as exterior insulation?Specs:- R value 4.2- Density 5.8 lb/ft³ - Water Vapor Diffusion Resistance (u) 1-…

Hello,I am looking for ideas about how to best ventilate an 1st floor attic space in my house. The house has a metal roof, which would make the installation of…

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"COP28: Where do we go from here?" A Panel Discussion on COP28.

... Read more about COP28: Where do we go from here?

Hi, I am looking at different options for insulating the attic of a very complicated slate roof. The house has 3 main stories and a basement which has just gotten…

I am in central North Carolina (mixed humid) and noticed that the insulation crew installed unfaced batts in the shared wall between my garage and house.  For the rest of…

An owner/builder shares the line-by-line break down of costs to design-build his high-performance home in Wisconsin

Our new Maine home , climate zone 6, will have HPWH in conditioned basement. Is there any reason we should not vent the cold air to encapsulated attic?  The roof…

Hey everyone,I would like some feedback on my proposed heating systems for our new house build. Here are some details about our house;-Climate zone 7A-Heating load of 30,000btu-Design temp of…

Im looking to attach a rainscreen overtop of 1.5-2" of comfortbatt insulation. I'm in Calgary, Alberta and will be putting a wood siding overtop of the rainscreen. Both screws meet…