Green Homes News

Hi all,Question here about minisplit efficiency.  I have a 2 story 1600ft2 pretty good house design where modeling gives me a 20kBTU total heating capacity need.  We are planning to…

What are the details that will keep this roof watertight (and condensation-free)?

We are having a metal roof installed and due to not having an rainscreen or insulation on the exterior, we opted to have an impermeable membrane underlayment installed over the…

I'm now siding the studio/workshop but I am confused by the soffits. It's steel siding and I've yet to install the F&J Channel where the wall meets the eave.As the…

Our roofer recently installed EpiStick Pro which is a self adhering membrane to the entirety of our roof. We had rain yesterday and came to find multiple places where water…

I've reviewed all of the literature, watched all the videos, and listened to all of the podcasts I can find regarding unvented, air permeable, foamless roofs (Ueno, Lstiburek, Hulstrunk, RDH,…

What's the best way to repair a tear in the plastic that holds the insulation around a duct in the attic?You can see the pink fiberglass peeking through.

I recently reviewed a 1960s cottage on Lake Huron in Ontario -CZ 5. Currently this seasonal cottage sits on a pier foundation with a vented crawl space. The floor is…

Cheap fossil fuels led us astray. Here’s a look at how it happened.

Contractor installed stone panels to wood furring screwed to 7/16 osb instead of rain screen, there wall assembly tyvek wrap on osb, 1 inch rigid insulation then wood furring then…

Four options to meet the energy code compliance requirements and an argument why not to use one of them

Hi,Any advice on this little project would be greatly appreciated. My friend just bought a new (aluminum) horse trailer. It has a good size tack room that she would like me…

The drawing for my building shows the windows placed conventionally, i.e. "outtie", resting directly above the outer stud wall. However, the outer stud wall is non-structural, sits on top of…

I'm getting ready to start the electrical on my new workshop. I have plans of adding solar panels to the roof, and want to make sure my electrical system is…

Let's take the next step in understanding filtration efficiency today and talk about clean air delivery rate. You know that the really small particles, especially those that are 2.5 microns…

I am designing a Hempcrete house that has a vertical cedar rainscreen. I am looking for a source of castellated cavity battens in North America. Any ideas?

We rightly worry a lot about wet walls and do our calcs for winter months in cold climates. Curious about dew point landing inside the wall in summer months when…

Hello all, so I am planning to do a new build in the next two years and have been going back and forth between ICF and traditional poured concrete. It…

Climate zone 4, large building with concrete radiant floor heating on the first floor used for industrial purposes.  Second story is meeting rooms and offices that will be zone climate…

We are planning on Mitsubishi Hyper Heat heat pumps (Zone 6b/7), but it appears that Mitsubishi doesn't play well with smart thermostats like Ecobee Premium.Mitsubishi's smart thermostat offerings (Mitsubishi Kumo…