Green Homes News

Do any of you have a 1:1 ductless minisplit installed in a bedroom, and are logging the temperature in that room? Question about temperature swings.

Green Homes 2 - Tue, 2023-11-28 08:19
I know a lot of people on this forum are like me and have temperature sensors throughout their house.Anybody have one in a bedroom or other small-ish room that is…
Categories: Green Homes

Advantage of first stage heat with 2 stage heat pump

Green Homes 2 - Tue, 2023-11-28 06:47
Good morning. I have a Trane 4twx8036c1000ea heat pump and TEM6A0C36H31SBA air handler. I was trying to do due diligence in setting my thermostat up for best efficiency to see how…
Categories: Green Homes

A Blueprint to Decarbonize Affordable Housing

Green Homes 2 - Tue, 2023-11-28 02:00
With three projects underway, Allston Brighton Community Development Corporation offers a model to fund retrofits in Massachusetts
Categories: Green Homes

Safe to put foil-faced polyiso insulation on basement wall without a capillary break on footing?

Green Homes 2 - Mon, 2023-11-27 20:58
I have footings that were installed without a capillary break to the walls. I was planning on putting 1" of foil-faced polyiso against the walls followed by a stud-bay with…
Categories: Green Homes

Filter barometric relief / gravity damper for makeup air?

Green Homes 2 - Mon, 2023-11-27 16:49
I'm currently looking into parsimonious makeup air solutions for a ~ 600 CFM remote-blower island range hood. As an air pollution scientist, I really want to get the hood system…
Categories: Green Homes

Basement rigid insulation, vapor barrier, rim joist/header insulation

Green Homes 2 - Mon, 2023-11-27 15:29
Hey! I really have appreciated this forum for how helpful it's been.I'm wanting to insulate the basement of my house built in 1950. It currently has uninsulated concrete block walls…
Categories: Green Homes

Recladding With Stucco

Green Homes 2 - Mon, 2023-11-27 13:56
Stucco wall assembly climate zone 2A Hello, I am remodeling my 1980 house in Climate Zone 2A. I want to change the exterior to stucco. After a lot of research…
Categories: Green Homes

Managing Attic Conditions Without Venting

Green Homes 2 - Mon, 2023-11-27 13:09
Hipped roof with dormer roof replacement - conditioned attic, no venting Hello GBA community. Doing a simple pyramid hipped roof with dormer replacement on a very old house in Grand…
Categories: Green Homes

Energy Policy Seminar

Green Homes - Mon, 2023-11-27 10:00
Location: Room 414AB, David T. Ellwood Democracy Lab, Rubenstein Building, HKS, 79 John F. Kennedy St, Cambridge, MA 02138

"Energy Policy Seminar: "Economic Challenges to Rapid Energy and Deforestation Transitions" with Leon Clarke, Director of Decarbonization Pathways at the Bezos Earth Fund."

... Read more about Energy Policy Seminar

Categories: Green Homes

Insulating a gambrel roof

Green Homes 2 - Mon, 2023-11-27 05:52
I am looking at a project where I need to insulate and finish the interior of a pool house that has a gambrel roof. The building recently had the siding…
Categories: Green Homes

Outside corner to roof overhang flashing detail?

Green Homes 2 - Mon, 2023-11-27 05:01
Should there be some additional pre flashing done in the area shown in my picture below?  This is a front porch roof overhang that will have metal roofing on it…
Categories: Green Homes

Getting HVAC Right in a New, Tight Home

Green Homes 2 - Mon, 2023-11-27 02:00
The trick is to balance ventilation, dehumidification, and heating/cooling
Categories: Green Homes

Window recommendation for climate zone 2

Green Homes 2 - Sun, 2023-11-26 17:56
We live in Phoenix in a modest 3 bedroom 2 bath 1500 sf house. My wife would like to replace the windows that are original to the build approx 45-50…
Categories: Green Homes

Heated “Crawl Space” Pier Addition

Green Homes 2 - Sun, 2023-11-26 17:21
Hello-We have a sono tube pier addition in Zone 5 (Toronto Canada)Room is about 20 by 8 and includes  6 10 inch diamater concrete posts 4 feet deep (the engineer…
Categories: Green Homes

Vinyl or fiberglass for this specific case?

Green Homes 2 - Sun, 2023-11-26 07:41
I am buying a small number of ALL fixed windows for a small outbuilding and am head scratching over vinyl vs fiberglass.Fiberglass is about 25% more money but I think…
Categories: Green Homes

Plywood as interior cladding and air quality

Green Homes 2 - Sun, 2023-11-26 07:32
I am building a small shop/multipurpose building and am considering plywood as the interior cladding. If it's done right I like the clean look and I would be able to…
Categories: Green Homes

Rim Joist Insulation Climate Zone 4

Green Homes 2 - Sun, 2023-11-26 06:02
I’m having a home built in climate zone 4 (Kentucky) and my GC will soon be completing some of the final insulation details. I’ve used a lot of the information…
Categories: Green Homes

Where is the most efficient place to get the heat for hot water from?

Green Homes 2 - Sat, 2023-11-25 20:56
This is a question I've been kicking around for a while. It came back to top of mind because GBA had a review recently of the Sanco2 water heater( see…
Categories: Green Homes

Emporia vs Eyedro vs ??? for whole home electricity monitoring

Green Homes 2 - Sat, 2023-11-25 19:51
After reading Allison Bailes’ article began looking into whole house monitoring on a circuit by circuit level as part of our energy retrofit. However, Emporia tops out at 200A, and it’s…
Categories: Green Homes

Foam sandwich fix

Green Homes 2 - Sat, 2023-11-25 17:44
We have discovered that our cathedral ceiling has polyiso at the sheetrock level with 2 inch rigid under sheathing with fiberglass in the middle. I have looked at related articles…
Categories: Green Homes


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