Green Homes News

Make Up Air for Dryer

Green Homes 2 - Wed, 2024-03-20 11:06
We’re in the process of putting together plans for a new build in CZ 4. Our air sealing goal is to be under 1.0 ACH50. We tested a heat pump…
Categories: Green Homes

Should I add a second story to my cape for more space and energy efficiency?

Green Homes 2 - Wed, 2024-03-20 10:09
I have a 1973 cape cod in New Hampshire with a finished second floor. The roof is at the end of it's life, and in order to add more space…
Categories: Green Homes

8 Building Science Mistakes to Avoid

Green Homes 2 - Wed, 2024-03-20 02:00
From missing flashing details to incomplete roof venting, understanding how things go wrong is the first step to getting them right
Categories: Green Homes

Airtight drywall with aeroseal in modular houses

Green Homes 2 - Tue, 2024-03-19 20:08
It seems that the airtight drywall approach is getting popular for modular houses because they get build from inside out so there is easy access to the back side of…
Categories: Green Homes

Midcentury Modern in NJ: major condensation need help!

Green Homes 2 - Tue, 2024-03-19 18:38
HELP! We have a ton of condensation in our roof and penicillin (mold) is starting to grow. Insulation is wet in some areas of the house. We bought the house 1.5…
Categories: Green Homes

Overhang / Window Placement / Sun Exposure modeling

Green Homes 2 - Tue, 2024-03-19 17:08
I am looking for a process/math check on the dimensions needed to sort out window placement on a south side wall. Background:House is a rectangle with 9/12 pitch roof18” raised heel…
Categories: Green Homes

Where to locate secondary air handler

Green Homes 2 - Tue, 2024-03-19 14:08
Hi All, We're building a 4400 sq ft house in CT and awaiting HVAC proposals from a few vendors. Builder's preferred vendor is proposing two Mitsu heat pumps + 2 ERVs,…
Categories: Green Homes

Adding HVAC Returns

Green Homes 2 - Tue, 2024-03-19 10:43
Does adding returns to each bedroom make sense in my case?We currently have one central return in the hallway that is hilariously undersized (14x14). It returns air through the attic…
Categories: Green Homes

how green is “reclaimed” rigid urethane foam?

Green Homes 2 - Tue, 2024-03-19 10:24
I'm looking at under slab insulation options for my workshop. The most attractive right now is from a place called instapanel, which sells "new, reclaimed" urethane panels. Cheaper than type…
Categories: Green Homes

Low VOC Open Cell Foam for Unvented Attic?

Green Homes 2 - Tue, 2024-03-19 09:43
I'd love some advice from the experts here. I am working on a remodel and we're planning to convert my attic into an unvented attic with open cell foam on…
Categories: Green Homes

Polyiso with thin fiberglass on both sides

Green Homes 2 - Tue, 2024-03-19 06:16
I am helping a disabled friend upgrade his 1964 ranch home.  This house leaks like a sieve and costs a small fortune every month to heat and cool it.  I…
Categories: Green Homes

Rigid foam installation question

Green Homes 2 - Tue, 2024-03-19 05:22
We are renovating a single story house with 2x4 walls and adding 1.5” foam to the exterior. We are doing “innie” windows. Unfortunately,  contractor has already installed the new windows.…
Categories: Green Homes

Yet Another Side to Carbon Offsets

Green Homes 2 - Tue, 2024-03-19 02:00
Carbon offsets bring new investment to Appalachia’s coal fields, but most Appalachians aren’t benefiting
Categories: Green Homes

Insulating basement

Green Homes 2 - Mon, 2024-03-18 23:29
My name is Paul.I have a newer home with poured basement walls. Put plastic in different areas of basement and no moisture appeared. No moisture in concrete basement walls.1)Will building a…
Categories: Green Homes

What’s the trick to getting the edges of vinyl corner bead to lay flat on drywall?

Green Homes 2 - Mon, 2024-03-18 22:03
The instructions for the Phillips gripSTIK 8 ft. x 1-1/4 in. Vinyl Corner Bead say it can be installed with spray adhesive and staples or without spray adhesive if the…
Categories: Green Homes

Journal of Light Construction: The Basics of Fireblocking

Green Homes 2 - Mon, 2024-03-18 17:22
This article by Tim Uhler, although written in 2009, covers the areas in a house that need fire-blocking and how to properly install it. Since so many people on this…
Categories: Green Homes

What am I doing wrong with door casing

Green Homes 2 - Mon, 2024-03-18 16:33
I built an angled door in the roof line. I was putting the casing on frame and I was able to line it up but then I couldn’t open the…
Categories: Green Homes

Religion in Times of Earth Crisis

Green Homes - Mon, 2024-03-18 16:00
Location: Zoom

"Reflecting on Religion in Times of Earth Crisis" with Mayra Rivera, Dan McKanan, Teren Sevea, Matthew Ichihashi Potts, and Terry Tempest Williams.

... Read more about Religion in Times of Earth Crisis

Categories: Green Homes

Energy Policy Seminar

Green Homes - Mon, 2024-03-18 10:00
Location: Zoom & David T. Ellwood Democracy Lab, Room 414AB, Rubenstein Building, 79 JFK St, Cambridge

“Making Climate Policy: Why the Inflation Reduction Act Passed.”... Read more about Energy Policy Seminar

Categories: Green Homes

Basement Wall Insulation

Green Homes 2 - Mon, 2024-03-18 07:53
Hello! I know this topic has been covered countless times, but looking for some insight on my particular scenario.We purchased a home in New Hampshire (around the zone 6/7 line)…
Categories: Green Homes

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