Green Homes News

Currently doing a renovation in climate zone 5 in a house that I am taking over. Built in the early 2000s.   Took down the sheet rock in a bathroom…

The more I read and watch YouTube on high performance building / air tight envelopes it seems like there is no love for ICF. It looks like the consensus is…

Hey, gang,I'm hoping to improve efficiency in my friend's small-footprint (~850 sq.ft.) slab-on-grade one-story house. I've done various energy efficiency remediations in it elsewhere, but began lately to wonder about…

Location: Bowie-Vernon Conference Room (K262),CGIS Knafel Bldg., 1737 Cambridge St., Cambridge

Felix Giroux, Doctoral Candidate, University of British Columbia, will present as part of the Canada Seminar Series.... Read more about Empowering Indigenous Communities through Clean Energy: The Development of Green Hydrogen Highway in the Pacific Northwest

Location: HUCE 429, 26 Oxford Street, 4th Floor, Cambridge

Salata Scholars Seminars are dedicated to climate, sustainability, and environmental work done by Harvard students and fellows. Its goal is to embrace the interdisciplinary nature of sustainability research that can’t be confined to a single Harvard school and help like-minded people connect with each other.... Read more about Salata Scholars Seminar Series: The Role of Root Exudation in the Global Carbon Cycle

Does anyone have any experience with or thoughts about the Aircycler connect system? AirCycler CONNECT | AirCyclerI looked into air cycler in the past, as a way to do supply-based ventilation…

I need to plan for supplemental dehumidification for my whole house (~1600sq ft, 2 story slab on grade duplex, zone 4a) and am trying to decide what kind of dehumidifier…

Hi all- I have two ductless minisplits installed in a new construction residence. Both indoor head units have gravity condensate drains. I now need to determine how to terminate these…

I live in SW Colorado, climate zone 5. I have an approximately 600 sq ft crawl space, which is adjacent to a basement/garage, which is outside of the house's envelope.…

Decisions in two cases spell legal trouble for clean energy transition

I was wondering if anyone had a good recommendation for a liquid applied water proof memberaine for a foundation exterior? It’s a new build and insulation followed by Delta-MS would…

Hi GBA,Trying to prevent solar heat gain from cooking interior spaces through a large amount of west-facing glazing and hoping to pick the collective brain here for suggestions.Notes:* Two gable…

I really enjoyed the great article by Josh Salinger, "Inside the Concrete-Free Slab." https://www.finehomebuilding.com/project-guides/insulation/concrete-free-slabWe are building a cabin out in the Columbia Gorge (near Carson, WA), and we would like to…

What is the best heating and cooling system for a single-story house without a basement or crawlspace?

Anyone have experience using a Thermaray Electric Radiant Ceiling Heating System? The main company seems legit (https://thermaray.com/residential-radiant-ceiling-heaters/), but the nearest distributor to me has no address on their site (https://premierenergyusa.com/)…

Hi, I have a vaulted ceiling and am installing a passive radon system beneath my concrete free slab using standard methods (new construction). If my radon test fails I will…

Hello, I have built a ramp out of 6 18 foot 4x6 beams (spruce, pine) to move a skid steer in and out of my foundation hole to deliver sand…

Location: Hunnewell Lecture Hall, Arnold Arboretum, 125 Arborway, Boston

The Arboretum becomes a riot of color in October, with leaves turning deep red, fiery orange, and bright yellow. Have you ever wondered why this happens every autumn? Outdoor Educator Ana Maria Caballero will take us through the science of fall leaf color, including an exploration of pigments and abscission, a hands-on experiment to reveal the array of pigments present in every leaf, and a walk in the landscape to take a closer look at leaves in all phases of color change.... Read more about The Science of Fall Leaf Color

I am insulating the rim joists (or band joist/header) on this 1870 limestone foundation house in Ontario Canada. I'm using square pieces of XPS rigid foam with spray foam around…

Homeowner Long Island New York and I’m re-siding the house. The contractor  suggests I add ridge ventilation to the cathedral ceiling shed roof. He suggests a cor-a-vent type ventilation at…