Green Homes News

Rachel Nethery

Green Homes - Mon, 2022-09-26 11:34
Assistant Professor of Biostatistics Research Interests

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

Read more about Rachel Nethery 655 Huntington Ave.,
Categories: Green Homes

Retrofit: Partially replacing kraft-faced fiberglass with closed-cell spray foam

Green Homes 2 - Mon, 2022-09-26 10:21
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…
Categories: Green Homes

Energy Policy Seminar

Green Homes - Mon, 2022-09-26 10:00
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

Categories: Green Homes

Planning for A/C in a heating climate?

Green Homes 2 - Mon, 2022-09-26 07:07
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…
Categories: Green Homes

The Future of Log Homes

Green Homes 2 - Mon, 2022-09-26 02:00
As more builders embrace high-performance enclosures, will this venerable building type fade away?
Categories: Green Homes

Is a vented Mansard style roof a good idea?

Green Homes 2 - Sun, 2022-09-25 21:32
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…
Categories: Green Homes

Building Envelope Design for PGH: Round 2

Green Homes 2 - Sun, 2022-09-25 18:47
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…
Categories: Green Homes

Semi-deep energy retrofit results

Green Homes 2 - Sun, 2022-09-25 18:11
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…
Categories: Green Homes

Want to insulate basement. Finding more worries than solutions.

Green Homes 2 - Sun, 2022-09-25 17:39
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…
Categories: Green Homes

Exterior insulation

Green Homes 2 - Sun, 2022-09-25 14:51
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…
Categories: Green Homes

Which vapor barrier/retarder for a bathroom?

Green Homes 2 - Sun, 2022-09-25 13:44
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…
Categories: Green Homes

Unvented attic with open cell SPF needing exhaust fans installed on roof

Green Homes 2 - Sun, 2022-09-25 12:56
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…
Categories: Green Homes

Comfortboard 80 actual thickness

Green Homes 2 - Sun, 2022-09-25 11:42
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…
Categories: Green Homes

Insulating an old detached garage – Sealing stud bay?

Green Homes 2 - Sun, 2022-09-25 10:57
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…
Categories: Green Homes

Mitsibishi Smart Multi and Mitsubishi Intelli-HEAT Dual Fuel

Green Homes 2 - Sun, 2022-09-25 10:50
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…
Categories: Green Homes

Achieving R40 with external insulation & no spray. foam

Green Homes 2 - Sun, 2022-09-25 09:48
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…
Categories: Green Homes

SpiderLath replacing old wood lath in ballon framing

Green Homes 2 - Sun, 2022-09-25 09:02
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…
Categories: Green Homes

Wall service cavity insulation

Green Homes 2 - Sun, 2022-09-25 08:28
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…
Categories: Green Homes

Successful DIY dense packed cellulose

Green Homes 2 - Sun, 2022-09-25 00:31
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…
Categories: Green Homes

Five Online Class Tips to Make it a Grade

Green Homes 2 - Sat, 2022-09-24 22:42
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…
Categories: Green Homes


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