Green Homes News

Location:  Livestream & Weld Hill Research Building, 1300 Centre St., Boston

"Journeys: The Arnold Arboretum Meets the World’s Plants and Peoples" with panelists Yota Batsaki, Executive Director, Dumbarton Oaks; Michael Dosmann, Keeper of the Living Collections, Arnold Arboretum of Harvard University; and Andrew Gapinski, Director of Horticulture, Arnold Arboretum of Harvard University. The discussion will be moderated by William (Ned) Friedman, Director, Arnold Arboretum.... Read more about Arnold Arboretum Director’s Series

Hello!I am aiming to waterproof and insulate some below grade concrete footings I am trying to understand where to orient the dimple mat in relation to the insulation. I drew…

Hello all. Trying to wrap up construction this summer on a two story ADU, 600 SF apartment above heated 250 SF studio and unheated 350 SF single car garage. Climate…

They're just cutting enormous wall blocks of foam and then using polyurethane foam-glue to cement them together, and facing them in a "concrete" gunite / stucco.  I don't see how…

We are replacing the siding on a double-wide manufactured home, and so think it might be a good idea to add a layer of 1.5’ XPS to the exterior walls…

Good Morning All.I am looking to insulate my detached garage. It is a 25x25 structure with a pyramid hip roof. Currently, the roof is not insulated at all and there…

June 30 there was a webinar called "Expert Exchange: All About Indoor Air Quality".  I tried searching this morning to see if a recording is available but could not find…

Hello. I am doing engineered wood floors over advantech subfloors. Is there supposed to be a vapor barrier between the subfloor and wood floors?

With only skimpy details in hand, manufacturers weigh impact of Biden administration's call to arms

If I am putting a minisplit air handler in the basement to heat and cool the first floor via ducts and floor registers, during the cooling months could I duct…

I live in a 1920 wood sided house in Climate Zone 4.  We're in the process of removing the vinyl siding and painting the old clapboards.  The old siding is…

Hello, I am in the process of choosing the location to install a floor mounted Fujitsu minisplit (12RLFFH). The unit is going to cover a large open plan kitchen, living room,…

I will say up front that I'll probably be embarrassed tomorrow to have posted this today. However, if I don't post it now, I'm sure my courage will wane by…

Folks.  I need to understand the fundamental difference between these two heat pump technologies.  I am familiar with the basics of VRF, not so much TXV.  Short time line related…

Hi all,My question is primarily in regards to heating our future house. We are finalizing the design of our roughly 1,400 sq foot home (+ an unfinished basement) and plan…

Hi I recently got some wiring roughed in my home. I'm located in Ontario, Canada. I have several receptacle boxes that seem like they are overloaded with wires? The boxes…

I'm working on getting a new-to-us house in NY converted from oil to geothermal. There is some ductwork, but the main portion is currently heated with hydronic baseboard, so it's…

A new LEED pilot credit and the launch of a carbon calculator converge to make reductions in upfront carbon emissions feasible

I'm struggling to get a clear answer on this:Is it necessary to waterproof the downhill side of a foundation stem wall? We're building on a hillside, and of course we…

Hello,I'm in northern California. I'm installing a standing seam metal roof on my house with cathedral ceilings. I'm wanting un vented due to potential critter intrusion. Ceiling is 2x8 construction. I'm…