Green Homes News

The conversation around slabless slabs has been very fun to watch progress. By my estimation a constructed on site 2x4 NLT floor would cost about 5 to 6 dollars a SQFT.…

In a year-long Building Science course, I would cover key topics such as energy efficiency, sustainable construction, material properties, and building performance evaluation. Students would learn about the principles behind…

Greetings,I am a fairly new homeowner (2 yrs) of a 1966 house in Southern Ontario, Canada. I recently needed to replace the hvac system and went for an all-electric heat…

I am renovating my personal home. It is a 1970s ranch on a basement. We have fully gutted it back to the studs and I am trying to determine best…

Hey all,Our house calls for exterior, rigid insulation with a 2x2 support at the bottom (see atch'd image). In some areas the exterior insulation is over the conc. stem wall,…

Hey everyone.  I am in the middle of a THOW build out in the island of Hawaii.  Tropical environment.  Lots of salt and rain.  This is my first build of…

Hello,We’re looking at a few options for our 20” tall fascia around the roof and balconies, and I’d appreciate any input on which option might be the best choice. While…

Location: Hunnewell Visitor Center, Arnold Arboretum, 125 Arborway, Boston

A warming climate and increasing environmental pathogens pose an existential threat to Arboretum’s collection of some 16,000 woody plants, trees and shrubs that are able to survive in our climate.... Read more about Global Change at the Arboretum

Hi Guys, I'm in the process of renovating/adding an addition onto my 1986 brick veneer home (standard size brick) home in Westchester NY (4a).  My GC is very "old school" and…

I read this very educational article when looking into facings in vented crawlspace insulationhttps://buildingscience.com/documents/insights/bsi-009-new-light-in-crawlspacesFigure 7 and 8 are applicable to meWhat thickness of foam is required? 1" EPS with facings…

Location: Maxwell Dworkin G125, 33 Oxford Street, Cambridge

A Harvard-China Project Research Seminar with Gabriël Clemens, CEO Green Gas E.ON and Managing Director of E.ON Hydrogen GmbH

... Read more about Opportunities and Challenges of the Hydrogen Energy Transition – A Private Sector Perspective

I am in Ohio Zone 5 and my building envelope I have 2x6 walls with Zip R-9. I have a couple different insulation options that I have bids for. Both…

Location: Zoom & Conference Room 2, India International Centre, New Delhi

Join us for an insightful discussion on “Building Climate Resilience in Urban India“ that aims to explore the climate change impacts of the built environment in urban landscapes. The session will address gaps and opportunities for building climate resilience and sustainability, emphasizing inclusiveness in climate response.... Read more about Building Climate Resilience in Urban India

A Texas-based architect describes building ignition-resistant houses in accordance with the International Wildland-Urban Interface Code

Location: Northwest Labs B101, 52 Oxford St., Cambridge

Join the Salata Institute's Climate Action Accelerator and the Environmental & Energy Law Program at HLS to hear from EPA Chief of Staff Dan Utech and leaders working on environmental justice issues at the national, regional, and community level in the U.S.... Read more about Environmental Justice at the EPA and Beyond

I have a recently built house and have noticed something that I'm not sure is an issue but would really appreciate some expertise. Our first and second floors are on…

Hi, can someone help me with what to do on this modern pre built studio without any current venting. And is it really needed?  It has a lp tech radiant…

Following my earlier question about Air-Sealing on Piers (https://www.greenbuildingadvisor.com/question/air-sealed-on-piers-open-to-the-elements), I wonder about humidity in the assembly and i-joists.I read the specs on some that are available in my area of…

I am about to begin a project that will have an almost identical flooring system as described in the 2019 Fine Homebuilding article Air-Sealed on Piers (https://www.finehomebuilding.com/project-guides/insulation/air-sealed-and-on-piers). The only difference…

Learn the ins and outs of how to mix and apply this centuries-old painting medium