Green Homes News

Before getting an HRV installed I figure I should make sure my duct work is in order and I'm wondering who is best to look into that for me.I had…

Hoping to get some feedback.  The background is that the project will be in Northern Wisconsin where it can get very cold in winter and typically lots of snow.  Plan…

I have a project coming up with concealed ducted heat pump (Mitsubishi PEAD-A12AA7) located in a completely conditioned service cavity above the second floor ceiling and serving three bedrooms and…

Is there any benefit to partial spray foam in certain areas of a traditional stick frame house, i.e roof, afternoon sun wall, crawlspace?

This lesser-used indoor head style has unique features and benefits that make it a good choice in specific instances

In response to the soaring cost of copper and need to reduce its use in residential projects, companies are popping up to supply fixtures compatible with a DC distribution system

My 1927 tudor revival has its original steel basement windows. Each window has 3 panes of glass and they're about 19" x 28" for the whole unit. I've hired someone…

I am building a conditioned basement in Los Angeles. I'm installing rigid on the 12" foundation walls to keep heated air off the cold concrete. I thought I would use…

Hello... has anybody had experience with that unnatural sweet smell remaining even after removal of CCSPF? Contractor did not put a huge amount of it in, but much of what…

For walls designed to dry inward, where does the water vapor go? It presumably moves through your wall assuming it's sufficiently permeable. Then it gets into your conditioned space, and…

Is there a way to post goods for sale on this site?  Due to minimum order quantities and miscalculations, I have tons of canned drywall gasket foam left over from…

We are finishing our basement with a lot of info from GBA. The slab is not insulated underneath but does have a vapor barrier (built 2020). We have 1" XPS…

Location: Plimpton Room, Barker Center 133, 12 Quincy St, Cambridge

"Anneal this Breath: reading Glass, Poetics, and Nuclear Genealogies with Yhonnie Scarce"... Read more about Environmental Humanities Seminar with Rebecca Hogue

Another wall assembly insulation question -- I know. My original plan was to have the following wall assembly: Vertical cedar siding > rainscreen > Zip R6 > 2x6 rockwool cavity >…

Radon Mitigation in Air and Water - How Many More Roof Penetrations in Tight House?Single family, zone 6 Southern Maine, new construction, weekend home, first floor and daylight (walkout) basement…

Hey All -- A question I've been pondering recently: When would be an acceptable time to "take a break" during the early stages of construction to wait for winter weather…

Location: HKS

"Fishing Livelihoods along the Gulf of Guinea: The Threat from Ocean Warming" with Robert Paarlberg, Emeritus Professor of Political Science at Wellesley College.

... Read more about Climate Research Workshops

I’m installing a new home-run plumbing system and will be insulating all the 1/2” pex tubing. Armacell offers a continuous coil of insulating sleeve (non-slit). I’d prefer the continuous sleeve…

I have a 2-story house in climate zone 3A (Tulsa Ok) with a lot of problems with heating/cooling due to poor insulation caused by poor quality construction and squirrel  problems…

I know this isn't exactly a building science question but I think it's relevant for the DIY crowd ;-)I'm planning a DIY build in Vermont. What's been people's experience living…