Green Homes News

I am in the military and have moved every few years for the last 29 years. For a while now I have used Consumer Reports to help me relatively quickly…

What are the most effective air-sealing strategies and best insulation types for minimizing airflow through a north-facing wall?

New residential construction in climate zone 6B, has a detail with which I'm not familiar, hoping you guys can set me straight.  The plan includes a walkout basement with a…

Hey everyone, I'm currently in the process of building in Vermont, zone 5B and am about to begin insulating. My plan is to only spray foam select locations of the…

Hi—building a new home in climate zone 6a. The poured concrete basement walls were damped proofed with a liberal application of non-fibered tar coating, and then insulated with 2” xps…

I'd like to know the GBA community's thoughts on walk-in refrigerator pantries ( "RootCellar" is a better known brand).   Its a small room in a (typically) new home with insulation in…

Hello,I have read article on here about insulating basement.but my situation is unique.I’m going with 4” of EPS… but what is best practice when half of the wall of basement…

This is a bit out of the scope of green building, but wanted to see if anyone in the GBA community had any experience with arbitration.  We already have an…

This is a bit out of the scope of green building, but wanted to see if anyone in the GBA community had any experience with arbitration.  We already have an…

For mechanical ventilation with dedicated ducting, it seems that in North America, NFPA fire safety rules have deterred the use of polyethylene duct like Zhender's Comfotube, in favor of fire-rated…

I have a bit of a unique mounting location for my ERV and I'm trying to determine the maximum length of the fresh air supply and outside exhaust with the…

I am insulating a large steel building wall (18' tall).  Looking to install a layer of 1" XPS on the outside of steel girts (seams taped/foamed) followed by a layer…

Hi GBA Community, New Build - Zone 5 - I wanted to ask a straight forward question regarding a new masonry fireplace.  I wanted to attempt to break the thermal…

Hi All, I always appreciate the smarts and dedication of the GBA Community. It's time to replace the rusty 2003 CRV my son drives to school every day, roughly 70…

Location: Austin 111, HLS, 1585 Mass. Ave, Cambridge

"The Role of Courts in Advancing the Right to a Healthy Environment" with Alfredo Gutiérrez Ortiz Mena, Antonio Herman Benjamin, and Ricardo Lorenzetti.

... Read more about Lessons from Latin America

Location: HUCE 440, MCZ, 26 Oxford St., CambridgeThe Harvard Energy Journal Club (HEJC) is open to Harvard and MIT students and postdocs only. A technical background is not needed. The Harvard Energy Journal Club (HEJC) is open to Harvard and MIT students and postdocs only. A technical background is not needed.
Contact: elizakatespear@g.harvard.edu

Our new one-floor condo unit in the Boston area (Zone 5A) has an integrated ERV Forced Air System, and we're having problems with air supply in our bedrooms, similar to…

Newbie trying to figure out best approach for radiant heat for a 3rd bay garage/workshop.  Question is, what heat source, electric boiler or geothermal heat pump with a ground loop…

This is a photo of mildew on the underside of a porch ceiling stained with Rubio Hybrid Wood Protector with extra M1 Mildewcide added: https://imgur.com/a/lbMsHS1. The substrate is Doug Fir,…

Considering possible value add of additionally blowing cellulose into stud cavities from outside before ext insulation application.  Thoughts please?    Situation:   1948 Ranch, 12ACH50 (!!), starting to plan deep…