Green Homes News

I appreciate if anyone could help me that has experience with MGO board Building? I am  building house and due to MCS/Multiple Chemical Sensitivity used magnesium oxide boards instead of…

I am about to install a very heavy window , 350 + pounds .It is an outie window on 2 " foam , in a plywood buck . I was…

I told my builder we want R15 on the exterior of poured basement walls (Zone 6). They are going to use a product I can't find much info on called…

I'm having mini splits installed in my home and I'm running into some sizing conundrums. We have 3 bedrooms, there are two small ones at 120 sqft and 150 sqft…

Hi all,The organization I work for is looking at a new office space (a house that was converted from an old sheep barn) that is on a slab-on-grade with no…

I've just replaced windows and insulated my attic, but my energy bills are still very high, and I am thinking about getting home energy audit. I have no clue as…

GBA connected with homebuilding pros to learn their methods for staying afloat and navigating times of economic volatility

Hi everyone,I recently moved into a home built in Apr 2026 in the Minneapolis area and am planning to finish the walkout basement. I've put together a wall section drawing…

I recently noticed an area behind a hvac duct that did not have any spray foam installed on it when the house was originally built. The missing spot is on…

We have the exterior shell built for our new home and starting to construct wall and ceiling service cavities and then interior walls.  I'm trying to understand how best to…

I'm working on a project with a very tight building envelope and a lot of protected trees on site. We need to run several utility lines (water, electrical, and data)…

A real-world review of a modular home battery system—covering installation, performance, and why the economics don’t always match the marketing.

Looking for GPS 40psiAnyone have a source or “part” number for Graphite EPS board? We’re located in MidAtlantic area outside of Philadelphia. Ready to go with a floating plywood slab…

I recently switched from erv supplying the bedrooms to erv exhausting the bedrooms and I'm seeing some major advantages and wondering why bedroom return is not the standard practice. In my…

During a bathroom remodel, we had a bright idea to vault a section of the ceiling over the window and future bathtub location. This has complicated the insulation plan as…

Hello, 2 part question today, we've completed a total rebuild over a year ago including duct, erv, heat pump, and gas furnace in a century home.Still chasing Rh% issues across the…

Hi folks,GBA lurker here making a first-time post. Parts of this topic have been covered but I'm hoping to consolidate notes and get some additional input.I'm in Portland, ME (AFI…

After completing electrical work, I am planning to fill my wall service cavity (about 2 inches in depth) with rockwool batt insulation to give some extra r-value. My finish wall…

I have a 2x6 framed house with taped CDX plywood and Tyvek on the outside. I'd like to reach an r40 wall insulation, but I'd also like to skip exterior…