Green Homes News

COP28: Where do we go from here?

Green Homes - Thu, 2024-01-18 10:00
Location: Online

"COP28: Where do we go from here?" A Panel Discussion on COP28.

... Read more about COP28: Where do we go from here?

Categories: Green Homes

Slate Roof Attic Insulation

Green Homes 2 - Thu, 2024-01-18 06:36
Hi, I am looking at different options for insulating the attic of a very complicated slate roof. The house has 3 main stories and a basement which has just gotten…
Categories: Green Homes

Vapor barrier / retarder in wall between attached garage and house, zone 4A?

Green Homes 2 - Thu, 2024-01-18 04:53
I am in central North Carolina (mixed humid) and noticed that the insulation crew installed unfaced batts in the shared wall between my garage and house.  For the rest of…
Categories: Green Homes

How Much Does It Cost to Build Your Own House?

Green Homes 2 - Thu, 2024-01-18 02:00
An owner/builder shares the line-by-line break down of costs to design-build his high-performance home in Wisconsin
Categories: Green Homes

Venting cold air from Heat Pump Water Heater to encapsulated attic?

Green Homes 2 - Thu, 2024-01-18 00:23
Our new Maine home , climate zone 6, will have HPWH in conditioned basement. Is there any reason we should not vent the cold air to encapsulated attic?  The roof…
Categories: Green Homes

Cold climate heating strategy

Green Homes 2 - Wed, 2024-01-17 20:32
Hey everyone,I would like some feedback on my proposed heating systems for our new house build. Here are some details about our house;-Climate zone 7A-Heating load of 30,000btu-Design temp of…
Categories: Green Homes

Are these screws appropriate for holding on PT rainscreen?

Green Homes 2 - Wed, 2024-01-17 14:55
Im looking to attach a rainscreen overtop of 1.5-2" of comfortbatt insulation. I'm in Calgary, Alberta and will be putting a wood siding overtop of the rainscreen. Both screws meet…
Categories: Green Homes

Mitsubishi Heat pump model #SUZKA18NA2 air handler running 24/7

Green Homes 2 - Wed, 2024-01-17 09:37
Calling heat pump experts. I recently had a Mitsubishi Heat pump model #SUZKA18NA2 and Air handler model #SVK-KP18NA. This is my first ducted heat pump experience. The fan has been…
Categories: Green Homes

Blown Cellulose on Flat Roof

Green Homes 2 - Wed, 2024-01-17 09:17
Hi everyone,We own a ~70yo commerical property that has been converted into a multi unit residential building (decades ago).Concrete block construction on a slab. The structure's original roof design is a…
Categories: Green Homes

Adding Exterior Insulation to Existing Homes

Green Homes 2 - Wed, 2024-01-17 04:30
Firsthand experience informs this basic plan for installing rigid insulation on the outside of an older building
Categories: Green Homes

Is my catch basin too close to my sewer lateral line?

Green Homes 2 - Tue, 2024-01-16 21:27
I just dug a drainage ditch and catch basin, but hit my PVC sewer lateral (at about 20” depth (in the Seattle area, Zone C). So I piled an inch…
Categories: Green Homes

HRV settings

Green Homes 2 - Tue, 2024-01-16 15:59
Hi All,What settings are recommended for an HRV during the summer and shoulder season? I’m in a new home that has an HRV incorporated into the HVAC ducting. In winter,…
Categories: Green Homes

Why not stack windows in a thick wall?

Green Homes 2 - Tue, 2024-01-16 15:12
I've been contemplating window details for a thick wall assembly, and reading about "innie" vs "outie" windows.That leads me to wonder: why don't people put two windows into the same…
Categories: Green Homes

Unvented Roof for Cold Climate – Detail Question

Green Homes 2 - Tue, 2024-01-16 13:00
Hello!I've been researching the feasibility of converting to an unvented attic with a cathedralized ceiling. I'm aware that the best option is closed-cell foam, and that's the route I'm planning…
Categories: Green Homes

Insulation Gradient Math

Green Homes 2 - Tue, 2024-01-16 11:49
I'd like to validate that I properly understand what I'm seeing with my bandboard insulation.I live in zone 4a (St. Louis, MO) in a 90s era tract home. It's been…
Categories: Green Homes

One in Seven Families Lives in Energy Poverty. States Can Ease That Burden.

Green Homes 2 - Tue, 2024-01-16 02:00
States—including those leading on climate—can leverage key policies and IRA funding to lower the energy burden borne by low-income households.
Categories: Green Homes

Condensation on window installation straps

Green Homes 2 - Mon, 2024-01-15 22:16
Zone 5 / NE Ohio (currently <10F outside)The Setup: In my retrofit, I installed triple-glazed windows from Inline Fiberglass.  The frames are fiberglass, with aluminum profile jamb extensions on the…
Categories: Green Homes

Looking for Tips on Unconventional Build

Green Homes 2 - Mon, 2024-01-15 21:57
Hey All, first I'll apologize for the long post to follow. The TLDR is I'm looking for a few tips for the barndominium I'm building including insulation details and air…
Categories: Green Homes

Two Ice Dam Questions

Green Homes 2 - Mon, 2024-01-15 20:32
This February will be one year in our remodeled house. It's a 1955 single story ranch with a low pitch roof in northern Michigan. I took extra care to air…
Categories: Green Homes

Ventilation in basement pre-stressed garage

Green Homes 2 - Mon, 2024-01-15 19:43
I’m building a new house in Minnesota that will have a pre-stressed garage - a 3-car garage below the main 3-car garage, both 34’x26’ in size.  This lower garage has…
Categories: Green Homes

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