Green Homes News

I have a poorly insulated existing attic that I would like to improve. The attic is ventilated with soffit and ridge vents. The floor of the attic is insulated with…

https://www.boston.com/real-estate/home-improvement/2024/02/21/hidden-costs-mini-split-heating-ac-system/My first thought on reading this article was "I smell gas" - the natural gas lobby, that is.I read what I could find here, and got the impression that with…

My house has late 1980s aluminum frame windows. I get a lot of problems with these tiny flies getting in (and possibly reproducing once they are in). My guess is…

We ultimately decided to demo the walls and now have full stud cavities accessible. It was about 60% full  of (settled) blown-in cellulose from 30-40 years ago. They are currently…

We converted a wood-burning fireplace to an electric one. The chimney outside is covered with GreenGuard house wrap under cedar boards. The chimney inside is not insulated except all around…

A “chainsaw retrofit” was the solution for creating continuous air and thermal barriers from wall to roof on an old timber-frame farmhouse

Currently framing a home in Southern California (climate zone 3A), that contains “California Gables“. The hip roof is framed with a few small sections that contain a gable framed on…

Hi,I am planning a tradition slab on grade using stem walls/footings and isolated radiant heated slab. I am planning 4" (R-20) rigid foam all around for under the slab, at…

Location: B-101, Northwest Building, 26 Oxford St, Cambridge

"The role of constraints in the evolution of plant reproductive strategies" with Jannice Friedman, Associate Professor of Evolutionary Biology
Queen's University."

... Read more about OEB Seminar Series

3 bed/2 bath 1,456 sq ft single story ranch (conditioned walk out basement)Basement slab R10 underneath, slab complete thermal break3" EPS continuous from the footing over rimjoist to under the…

For my wildfire rebuild in Los Angeles County, we are putting in an unvented cathedral roof with clay tiles. It has to be unvented for fire safety. This is requiring…

We converted our wood-burning fireplace to an electric fireplace. The electric fireplace box is placed in a chamber that has double layer of 1.5" T-tech foam insulation on the exterior…

Location: HKS

"Quantifying the Impact of Climate Change on Health in South Asia" with Caroline Buckee, Professor of Epidemiology, Harvard School of Public Health.

... Read more about Climate Research Workshop

Not asking for any individual project, but just to get a sense of people’s thoughts. My apologies if you aren’t interested in hypotheticals.Underfloor heating remains popular in Europe, but in…

Location: Barker Center 133, Mahindra Humanities Center, 12 Quincy Street Cambridge, MA

"Inherently Limited by Our Imaginations: Health Anxieties, Politics, and the History of the Climate Crisis" with David Jones.

... Read more about The Environment Forum

The house has two systems, three zones. One zone covers the main floor and basement. The basement is finished with almost zero space left for mechanicals.There is an unused vent…

We've had our new ASHP* up and running since November. It's a ducted Mitsubishi system: outdoor: PUZ-HA36NKA; indoor: PVA-A36AA7. Much of the ductwork in the basement was replaced when the…

Hi- I'm building a full light custom exterior door for a client, 36"x80". There will be a single piece of 7/16" insulated glass approximately 26"x66" installed with a muntin grid…

I am having problems with my fiberglass frame window and door trim details with a 3/4" thick  batten rain/vent screen. Here in New England 1x3 "strapping" is usually only about…

The "temperature of evaporation" is the lowest temperature that can be reached under ambient conditions by evaporation of water only. And it can be measured.