Green Homes News

We live in a detached home. Our neighbours damp proofed one side of our foundational wall with Jet Black AE, replaced our dimple wrap, and replaced our broken weeping tile.…

Can anyone with experience installing an MBTEK Apollo air to water heat pump post information or a picture of the UL or ETL approvals for the their unit?  The product…

I am trying to figure out if I am overdoing this issue.  I will be installing a remote Fantech fan to a Fantech hood liner.  I am expecting to run…

Location: HUCE 440, 4th Floor, 26 Oxford St, Cambridge

 

The Harvard Undergraduate Clean Energy Group Energy Seminar series features weekly conversations with leading practitioners in climate and energy. Join on Monday evenings from 6:30-7:15pm at the Harvard University Center for the Environment to meet the CEOs, researchers, investors, and engineers who are driving decarbonization. On Monday 2/10, the Energy Seminar welcomes Dr. Don Sadoway, Professor Emeritus of Materials Chemistry at MIT, Co-Founder of Ambri, Co-Founder of Boston Metal, and Co-Founder and CSO of Pure Lithium.

I'm wondering if anyone here has experience with solutions to manage the condensate / defrost water that comes from a heat pump? This year has been especially bad. I have…

I'm doing 2" of continuous exterior rockwool insulation on my build and have the window openings flashed for an in-between window, using Zip Sheathing as the WRB and water control…

Hi -My building inspector is questioning my intention to use latex paint as my class 3 vapor retarder in the following zone 5 assembly - vinyl siding, zip sheathing, 2x6…

I am designing a wall detail for a new house. This is single family residential, in Zone 6 in NYS. It is not governed by the stretch code. The framing…

Location: Rubenstein 414ab, 79 JFK St, Cambridge

President Trump has vowed to cut off federal and state support for electric vehicles, but can his administration really put the brakes on EV adoption? Join the Belfer Center for Science and International Affairs and the Mossavar-Rahmani Center for Business and Government for an Energy Policy Seminar featuring Elaine Buckberg, Senior Fellow at Harvard University’s Salata Institute for Climate and Sustainability.... Read more about EVs and the Road Ahead: Will the Trump Administration Stall Adoption?

Is a vapor diffusion port recommended at the top of a hybrid roof insulation assembly? [meaning rigid insulation over the roof deck & fiber below]assumptions:climate zone 4cvapor open wrb under…

what is best Hypoallergenic .

Hi, hvac installers and mechanical engineers! In the Comments section of Martin Holladay’s recent article on heat pumps, a kind contributor warned that ductless splits which are multizone (as opposed…

Looking for the right combination of durability, permeability, and installation details

Seems like the number of choices for purchasing high-performance, triple-pane windows and patio doors in the US is increasing.  Variables like comparative pricing, lead times, shipping costs, customer service for…

Working on a 1905 residential house in Marine 4C that does not have a vapor retarder on the walls or ceiling. The upper floor is being completely gutted, with new…

Location: Gutman Library; Arnold Arboretum, Boston, MA.

Join the Harvard Office for Sustainability for an engaging half-day exploration at Arnold Arboretum! This event features a workshop on ecology, an interactive scavenger hunt, and a reflective discussion on the connection between humans and nature. Learn about biodiversity, conservation, and how to foster a deeper relationship with the natural world. Lunch and round-trip transportation will be provided. RSVP is required!... Read more about Arnold Arboretum Ecological Exploration

Normal 0 false false false EN-US X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:8.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan;…

Howdy folks, This is perhaps a topic that is discussed to death, but never the less, the opinions of GBA members (and experts) would still be be appreciated for my particular…

We are setting our build date with our contractor and I’m wondering how much rainy months should be taken into consideration? We have a family member highly allergic to mold,…

Hello all,Have you seen The Build Show architect Steve ? describe this very simplified radon system?  It is at 15 minutes into the 20 minute show."Radon Mitigation" Build Show Build:…