Green Homes News

Our house has had a sickly sweet odor in it ever since we had spray foam insulation (which didn't cure properly) installed along with adjacent blow-in fiber. The odor remains…

We are planning a Dogtrot home design. Traditionally these homes were built entirely separate (including the foundations) and joined by a common roof. We live in a Northern region where…

Hi everyone. I was watching this video from Matt Risinger called "Controversial Plumbing Innovations 2024" and they talked about the benefits of a "home-run" plumbing system - IE there are…

Hi all,We're doing a remodel on our Seattle-area craftsman with a vented attic and are working on developing a tight(er) building seal.I'm a bit stumped on the best approach to…

Hi AllI am looking for some advice for a condensation problem I have in my house.90s construction in Northern California, house located about 10 miles from the coast.I have lots…

Planning to install an ERV.  Contractor is familiar with and recommends Renewaire.  Looking over the ERV line, I see very good efficiency for the EV Premium L --  HVI SRI…

Location: Geo Museum 375, 24 Oxford Street, Cambridge, MA

"Lakes During the Deglaciation--What they tell us and why they matter" with Jacky Austermann.

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Hey All -- I've found similar questions but can't seem to locate one that hits exactly this.Foundation is a basement -- half is a drive under garage and the other…

I will be insulating the concrete foundation walls of a home with a 3" thickness of polyiso with an approved covering, 3/4" plywood specifically.  There are two fireplaces in the…

Hello! I will be building my own home this year and am planning on building a stem wall foundation pinned to sloping bedrock. Im planning on filling the foundation with…

As the title suggests, we live in Chicago and have a 4-story townhome. Our top floor is a small bedroom that has a louvered-door utility closet with a gas furnace…

Hi everyone! Since embarking on the adventure of building a new house in Climate Zone 4A, this website and forum, along with the PGH book, has been an invaluable resource…

If you are designing with attic trusses to create conditioned living space, be warned it is difficult to detail this assembly, making it susceptible to heat loss and air leakage

Climate Zone 4A here! We have a triple wythe masonry wall on the top floor of our house that ended up having moisture problems. It’s exposed to the elements on…

I have vaulted ceilings in my house.  The roof joists are 2x10.  The interior ceilings are 1x6 t&g pine.  There are 9 inch R30 insulation batts between the joists. For…

HiI'm getting ready to frame out a wall along the perimeter of our basement. We're in New Jersey. I'll be using metal studs for the job in front of 2"…

I am hopeful that some members can give some feedback on a design that I have been working on.  Any criticism or comments are welcome be they be about room…

Does anyone have a detail for connecting a 2x12 roof rafter to (or on top of) an open-web floor truss system.  There will not be a structural ridge beam so…

Location: Zoom

"Unpacking Indonesia's Electrfication Politics" with Anto Mohsin, Assistant Professor in Residence, Northwestern University."

... Read more about Science and Technology Seminar Series

CZ2. Single story residential with hip roof (just over 4/12 slope).Looking to make a conditioned unvented attic, insulated at the rafter line (not the ceiling/attic floor). CZ2 so a vapor diffusion…