Green Homes News

I bought 144' of 4/0 AWG aluminum XHHW-2 wire (roughly 0.6" diameter) that came in a coil.  Probably because I didn't unroll it the right way, it has the shape…

There are many Mid Century multi family buildings in our town.  A large percentage of them feature sleeve style AC units.These units are efficient and when not in use a…

I live in north NH (zone 4a) and recently had a Mitsubishi MXZ-36NAHZ hyper heat pump with 5 ductless indoor units installed at/in my home.

Is there a good detail or is it not worth worrying about how the vapor barrier terminates at a header block?

Trying to decide between R22 and R33 options of under slab insulation for my workshop. After trying a couple of web based calculators that spat out nonsense numbers, I decided…

Location: Zoom & FXB G-12, 677 Huntington Ave, Boston

Join WGH and speakers Dr. Aya Goto and Dr. Michio Murakami for a lunchtime talk and Q&A on their work surrounding the environmental and human health impacts of the Fukushima nuclear disaster.... Read more about Environment, Women, and Children: Experiences From the Fukushima Nuclear Disaster

Location: Virtual

Our community of scholars works to coordinate, support, and amplify climate and health research.... Read more about Climate and Health Research Network

I was recently mislead by an assembly R value calculator on an insulation company's website. Surprising because the data wasn't skewed in their favor, but looks like the flaw was…

Location: Zoom

A presentation from 2023–2024 Grass Fellow Eduardo Mercado III. At Radcliffe, Mercado is building on his discoveries about the nature, functions, and plasticity of whale songs.... Read more about Singers as Sentinels: How Whales Can Warn of Changing Ecosystems

We have started installing 6 mil pol as our interior vapour control layer in a new build project. I thought they had switched it to Intello so I was surprised.We…

None, 6-mil poly, smart (variable permeability) membrane, painted gypsum board, combination, something else? Does a smart retarder perform better/worse with/without a service cavity (separation from vs contact with wallboard)? Specific…

A client is asking me to design an addition of a 60'x 30' warehouse structure to an existing 40'x 30' commercial structure. They drive forklifts inside, and need the slab…

I'm calculating net free vent area for a cathedral ceiling and wanted to run my calculations by the experts here. I believe the IRC calls for a minimum of 1/150…

Fine Homebuilding’s latest e-learning class outlines a clear map to an optimal interior home environment

What is Coastal Style?Coastal style is characterized by its light, airy feel and connection to the natural beauty of the seaside. ..

First post long time free lurker/reader. I just wanted to get a consensus for options. We have a late 70s raised ranch. The front faces west and we cannot put…

Hey, A client has asked me to do exterior casing (1x4) for their new windows.  This is new construction.  She requested no exterior sill and its being sided in clapboards. …

Minisplits installs are rarely inspected and there seem to be many variations on how people do things. im trying to find some definitive answers to some code related questions. 1. Condensate…

Location: L-382 Kahn, Littauer Building, 79 JFK St, Cambridge, MA

Majority of the proposed solutions for climate finance for Africa has been rooted in the quest for climate justice.... Read more about Climate Justice Backed Financing for Africa: A Case of too Many Unmet Promises

We are building in Zone 5, and working within the confines of a track builder. We did upgrade to a 4 ft crawl and I would love some insight into…