Green Homes News

I will be building a new house near Tucson. Lately, I've noticed some houses under construction using a synthetic WRB and Formular 250 instead of EPS and 15# felt. A…

Is there a consensus yet on double stud vs exterior insulation? I’d like to build at near passive house levels, R30-R40 effective wall r value. I was initially thinking a…

Ready to hang drywall on a 6:12 cathedral ceiling, and it turns out drywall adhesive (Liquid Nails brand, Dap brand, OSI F38, etc) is unobtanium in my area; local building…

Is ice blasting the best method of removing foam insulation in the loft?

Should wooden structures being built in areas which do not currently have termite/ant concerns or construction requirements be built with adequate deterrence?Currently termite/ant problems are south of my location in…

Environmental Fellow: 2022-2024
PhD, Materials Science and Engineering, UC Berkeley

Julia Yang is a computational materials scientist working on novel Li-ion battery electrode upcycling processes to reduce toxic leaching into the...

Read more about Julia Yang

Environmental Fellow: 2022-2024
PhD, Agricultural and Resource Economics, UC Berkeley

Matthew Tarduno is an environmental economist studying how individuals' beliefs and biases impact their demand for environmental policy. ...

Read more about Matthew Tarduno

Environmental Fellow: 2022-2024
PhD, Energy and Environmental History, Georgetown University

Matthew P. Johnson is an energy and environmental historian whose research area is modern Latin America (with emphasis on Brazil and the Caribbean)....

Read more about Matthew Johnson

Environmental Fellow: 2022-2024
PhD, Environment and Resources, Stanford University

Marissa Childs researches the health effects of environmental change, focusing on both infectious disease transmission and environmental pollutants....

Read more about Marissa Childs

I'm working out the trim and siding details on my project and would appreciate any thoughts on these details. It's an insulated out-building.  Tyvek as the WRB. 3/4" PT strips…

Overblown heating and cooling loads lead to oversized HVAC systems and equipment

Can anyone share a detail for properly flashing brick veneer on a 12:12 pitch that doesn't require step pans? The original flashing specification was taken from this Pro Craft video.  https://youtu.be/lAaZybRqu_oHowever,…

I'm not sure if this is the right category for this and it's probably going to be a bit long winded, but I want to give as much detail as…

Getting ready to install an independently ducted ERV as part of our remodel (3,700sqft), nothing super fancy like a Zehnder, probably this one from Broanhttps://www.broan-nutone.com/en-us/product/freshairsystems/b160e65rsMy question is in regards to…

Hi, For our exterior home remodel, we have decided to use Zip R with insulation (R9) which is 2 inches thick and have heard that 3.5 or 4 inch nails…

Saw this blurb for a new type of heat pump from Blue Hearth Energy. (See https://www.pv-magazine.com/2022/06/29/thermo-acoustic-heat-pump-for-residential-applications/ for more.) Curious if anyone is familiar with this technology.

We are working on a remodel project in Central Florida. At one time someone enclosed a porch with 2" Expanded polystyrene. This does not work well enough for the new…

Hello all,I believe I've read most of the article on GBA concerning ventilation and am still somewhat confused about which strategy makes most sense for my project.Project is detached ADU,…

Does anyone have practical experience, tips, or suggestions for installing thick rigid foam insulation on a roof?We're about to close in our timberframe in climate zone 7 and my next…

Kind of a technical question, but I'd value any input that anybody has.  NEC 210.63 requires an electrical outlet to be installed in an "accessible" location within 25 feet of…