Green Homes News

Assistant Professor of Biostatistics Research Interests

Rachel's methodological research interests include causal inference, machine learning, Bayesian methods, latent variable...

Read more about Rachel Netheryhttps://scholar.harvard.edu/rnethery 655 Huntington Ave., Bostonrnethery@hsph.harvard.edu

I'm looking for some practical feedback on whether replacing kraft-faced fiberglass with closed-cell spray foam in some exterior partitions—but not all—potentially invites future frustration.We're working through a partial retrofit of…

Location: Room 414AB, David T. Ellwood Democracy Lab, Rubenstein Building

Karl Hausker, Senior Fellow, World Resources Institute's Climate Program, will present "Key Climate Provisions in the Inflation Reduction Act: A Deeper Dive."... Read more about Energy Policy Seminar

Hi all!I'm getting ready to do an outsulation project on a modest house in Montpelier, VT - climate zone 6a. The house was built in the 1970's or 80's. It's…

As more builders embrace high-performance enclosures, will this venerable building type fade away?

Hi all,We're in the planning stages of a new build in Southern Ontario (climate zone 5? 6?) and are starting to translate the schematic design into construction details. Roughly speaking, the…

Hello again! After some time and lots of work since my last post, I'm writing again to request input from the GBA community.This is for a PGH building envelope design…

I thought I would share our energy usage results from our semi-deep energy retrofit as we now have one year of usage to compare results.Our home was a brick/block ranch…

Hey folks. Been reading a lot on here and elsewhere on the web as I explore insulating my basement. For background:I’m in zone 4 but about 500 feet away from zone…

What type of foam board insulation is recommended over exterior residential CMU block wall and is an additional vapor barrier required over the foam board? Location 30 miles southwest of…

HelloI’m having a bathroom renovated in climate zone 5.  One of the walls is shared with an unheated/uninsulated garage.The wall assembly of that wall will be Sheetrock, mineral wool and…

Hi all,New to GBA but have read many many threads and posts on spray foam and now am trying to tease out if the foam makers suggester for my homes…

I'm planning on install 2 layer of Confortboard 80 1.5" on the exterior of my house and assumed that it was that thickness. However I just took my tape measure…

I'm in the process of converting an old detached garage to a wood working shop and am wondering about air sealing and insulating. The walls are 2x4 with 1x8 tongue…

Hey All,I'm wondering if anyone has direct experience with two newish Mitsubishi products.  The first is the new Smart Multi 36-48k H2i multi zone compressors.  Really impressive HSPFs and temp-specific…

I'm sure this has been asked a dozen times so I apologize for asking again but I can't find - or maybe can't understand - what the best framing approach…

Is SpiderLath capable of replacing wood lath fully? I am in the process of tearing out plaster and wood lath damage for a renovation and wanted to put a three…

Question is asked with climate zone 6 in mind.Most wall service cavity examples seem to be made with 2x4’s “on the flat” perpendicular to studs, making 1.5” deep horizontal service…

Thought I'd share my recent experience dense packing cellulose in 2x6 stud bays.As insulation contractors that do dense pack cellulose are few and far between in my area, I was…

Many students are now wondering how to make the most out of online classes after the mass migration of university courses to online formats.Online classes can be a great option…