Green Homes News

We are building a pretty-good-house with a 300 CFM range hood, which does not have a damper built in. The manufacturer suggests a passive in-line damper, but I am wondering…

Just joined today, hoping I can get some input from the experts. We have a lake house and 7 acres across the street that we are retiring to. The lake house…

Does anyone have some details on flashing for an operable Octagon window, we are replacing the old lap siding.I am in Zone 3 warm humid.Updated Wall assembly from inside to…

Hey all, in zone 4/5, I'm wondering if I should have these little spaces between the second floor joist bays sealed behind the Membrain material and carefully taped off like…

There's an article up on the main page today, "Heat Pumps and Dual-Fuel Systems." Since it's paywalled for Prime members I thought I'd comment here.Just a general comment, not specific…

Hi all,Some quick background:-We recently bought a 1970s mid century modern home in northwest Illinois -It’s about 5,000 sqft ranch, broken roughly into 4 sections, each section with its own gas…

A renter friendly and small home ERV is coming to the market

Hello, I have an older home in climate zone 6 in Nova Scotia, Canada. I'm looking to upgrade insulation in attic kneewalls (2x4 stud wall) - fiberglass batts in stud…

1949 Minnesota home.  Rim joists are embedded in concrete cap on block walls. How sucebtible to rot are those joists? When insulating what is better? EPS foam board with foam…

Hello,I installed some vinyl windows last summer and they are condensating like crazy.these are casement windowsU value of .17SHGC .24VT .42air leakage .02Condensation Resistance 70triple glaze with cardinal 3mm glass…

Hello, I recently had a polyiso over-roof done as a retrofit on my home. The contractor failed to extend the vapor barrier on the structural (bottom) sheathing over the ridges. This…

See the pics.  A slab on grade 1300 sf one floor new house (frost protected shallow foundation) will be built in climate zone 6a, -15 F winter design temp, and…

HelloThis pertains to zone 5A-6A (Albany County, NY near the border of Greene County - Northern Catskill region).The house is from the 1850s and has considerable architectural detail on the…

Company emerges from Chapter 11 filing with new management team and re-engineered products

We are redoing a basement. We ripped out the old furring strips, vapor barrier sheeting, and the fiberglass underneath. The fiberglass was seperated from the concrete wall with cross-strapping, but…

Climate zone 5A (very dry, Eastern WA) Post frame home with attic trusses (center 50% open, 25% each side typical truss webs. This makes an interior Vapor Retarder very difficult.…

Hello I have a 1960ish house in climate zone 6/7 with 1/2 inch plywood 2x4 walls r13 foil faced fiber glass insulation in walls (and the ceiling). Some walls have…

Location: MinnesotaLooking for advice on insulating hard to access and non-uniform sized rim joist surfaces.  Home built 1949.Extremely difficult in some areas to get foam board in place to then…

Have a relatively new SVZ/SUZ 24K BTU (454B) air handler installed. I noticed with electrical monitoring that sometimes it will jump from a baseline of 60w (fan low) to 250w…

I'll be installing a heat pump water heater in the conditioned basement of a zone 5b (Dry) single family home. The water heater will be in a mechanical room (not…