Green Homes News

Regarding frost protected shallow foundations, can rockwool board be used on the exterior and buried apron/wings without absorbing water?  And why do I see some FPSF's insulate only the exterior…

House: Alabama.  Built in 1892 with Pattern 117 pine siding directly attached to the studs.  No sheathing.  No exterior wall insulation.  Pier and beam foundation.  4 zone minisplit hvac.Currently gutting…

Location: Thomas Chan-Soo Kang Room, CGIS South, 1730 Cambridge St, Cambridge

"The Health Effects of Air Pollution: The Harvard Six Cities Study as a Generator of Surprises" with David S. Jones, Professor of the Culture of Medicine, HMS.

... Read more about STS Circle at Harvard

Location: Room 414AB, HKS, 79 John F. Kennedy St, Cambridge, MA

"Advancing Equitable Clean Technology Investment" with Jahi Wise, Senior Advisor to the Administrator of the Environmental Protection Agency.

... Read more about Energy Policy Seminar

Hello,Thanks in advance for the ideas.We are replacing all of the windows in our gut rehab of an 1880 brick home in Northern Michigan.1/2" is the greatest measurement any of…

I'm looking at installing a rainscreen on a wall with cedar clapboards and azek trim boards over plywood. As well as ventilating the wall, I want to ventilate the top…

Greetings experts. I posted previously on this forum about replacing my Lennox 50,000 BTU furnace and 2-ton A/C with a heat pump and received many thoughtful comments on my initial…

Climate TRACE uses satellite imagery and machine learning to track and measure emissions from every sector

We own a 1960’s one-story home with a basement that is constructed with CMUs in Wisconsin.  Most of the interior walls are blocks and, incredibly to me, the ceiling in…

We are lucky to have a late 19th century wagon house in our back yard: a timber-frame with vertical wood siding and an old Pennsylvania gray slate roof on skip…

Is there a fragrance free product to use to clean furnace coils?  The have used a cleaner in the past and when unit came on that awful smell was sent…

I am building a new 280 sq foot addition with crawl space.  The Denver code specifies that with a sealed crawl space, the concrete walls are insulated but not the…

A client asked a question that I don't really know the answer to.  I am in Vermont and the client is harvesting red oak from their property and hopes to…

I've been trying to come up with a plan to insulate my old house's attic, and I'm having a hard time working out the best path forward. The roof was…

I have a new mitsubishi mini split.  The temp is set for 67 degrees.  For the past week the temps have varied from 48 to 73 degrees in the room. …

I've seen this a couple of times now, where a flash of closed-cell is sprayed on the interior of the zip-R foam.How risky is this assembly? I understand that there's…

Hi GBA Community - hoping for some advice on how to approach in-slab ductwork that we have on our old house. For context, we're in the midst of planning a larger…

Here's a nice looking metal siding product called Longboard that should last decades. I was surprised to hear that it is made from 14 gauge metal - usually siding is…

Hello house enthusiasts,I’m hoping for some confirmation/correction/advice in plain English regarding improving insulation on my existing home.The details:Northern NM, built 1986, <1,700sqft, single story, stucco exterior, 2x12 roof joists spaced…