Green Homes News

Double stud wall without space between them

Green Homes 2 - Thu, 2025-11-13 15:50
I am starting a rot remediation project where the exterior walls of the house are as follows (from exterior to interior)1. ~4inch veneer stone, on a supported concrete shelf2. 1/2…
Categories: Green Homes

Insulation at steel beam above 30′ of windows

Green Homes 2 - Thu, 2025-11-13 11:51
Hi everyone. I have a project in North Carolina (climate zone 3A - warm humid) that involves a steel beam that spans over a 30' window system. I'm starting to…
Categories: Green Homes

Exterior rigid insulation over stucco masonry wall then re-rendered ?

Green Homes 2 - Thu, 2025-11-13 09:44
Purchased a foreclosure, so still working out how things were built. The building is rendered with stucco, i recently did some exploration into how the wall assembly is constructed, it…
Categories: Green Homes

2 Common Comfort Problems Caused by Air Conditioning

Green Homes 2 - Thu, 2025-11-13 02:00
Struggling with uncomfortable air flow or an oversized AC unit in your home? Learn how to fix these common HVAC comfort issues.
Categories: Green Homes

Does a range hood need a motorized damper?

Green Homes 2 - Wed, 2025-11-12 15:25
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…
Categories: Green Homes

Red Iron Building

Green Homes 2 - Wed, 2025-11-12 15:21
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…
Categories: Green Homes

Flashing an Octagon Window on a wall with external insulation

Green Homes 2 - Wed, 2025-11-12 13:17
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…
Categories: Green Homes

Insulation in joist bays?

Green Homes 2 - Wed, 2025-11-12 12:43
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…
Categories: Green Homes

Dual Fuel

Green Homes 2 - Wed, 2025-11-12 12:35
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…
Categories: Green Homes

Will radiant floor heat actually save energy in a home with larger volume spaces / tall ceilings?

Green Homes 2 - Wed, 2025-11-12 05:51
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…
Categories: Green Homes

Introducing the SWERVAIR Energy Recovery Ventilator

Green Homes 2 - Wed, 2025-11-12 02:00
A renter friendly and small home ERV is coming to the market
Categories: Green Homes

Knee wall insulation – faced EPS/vapour barrier

Green Homes 2 - Tue, 2025-11-11 18:37
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…
Categories: Green Homes

Rim joist embedded in concrete “sill”

Green Homes 2 - Tue, 2025-11-11 13:23
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…
Categories: Green Homes

Window condensation

Green Homes 2 - Tue, 2025-11-11 12:25
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…
Categories: Green Homes

Polyiso vapor barrier gap at ridge – advice?

Green Homes 2 - Tue, 2025-11-11 09:42
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…
Categories: Green Homes

Can a ducted mini split heat this house

Green Homes 2 - Tue, 2025-11-11 09:03
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…
Categories: Green Homes

Insulating in wall cavities of old “historic” house

Green Homes 2 - Tue, 2025-11-11 07:56
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…
Categories: Green Homes

TimberHP Is Finally Rolling Out its TimberBoard Continuous Wood Fiber Insulation

Green Homes 2 - Tue, 2025-11-11 02:00
Company emerges from Chapter 11 filing with new management team and re-engineered products
Categories: Green Homes

Basement air gap between CI and framing

Green Homes 2 - Mon, 2025-11-10 13:08
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…
Categories: Green Homes

Unvented Roof Assembly

Green Homes 2 - Mon, 2025-11-10 12:56
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.…
Categories: Green Homes

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