Green Homes News

Hi,I have an unfinished basement in my 1960s home where one wall has clear evidence of efflorescence (picture). We have not had any visible water entry into the basement beyond…

Hey All,I thought I had a good plan on roof venting but now I'm questioning about all of it. We ended up not getting a ridge vent on the house.…

I'm in need of 5 picture windows for a detached studio/shop (1 at 48" x 48", and 4 at 30" x 36"). Due to cost I wonder whether I'm better…

Hi all,I am planning to start construction on a 2200sqft cabin. (in Zone 5) with about 320 lineal feet of footer/stem wall between the garage and main. The obvious issue…

I know that the general advice is heat pumps shouldn't be oversized, because it leads to short-cycling. At the same time, many cold-climate heat pumps have higher COP's at their…

We have a small, two-story wood-framed townhouse in NYC built in the late 1800’s. The top floor ceiling is vaulted to the roof deck in the front half of the…

We want to make a vapor-open, vented cathedral ceiling assembly (so we can add a loft when we have money sometime in the future) for a ~1100sf home in zone…

Hi everyone,I’m installing a 1000 CFM range hood, with an in line blower located about 15 feet away, followed by an exhaust outlet through a stucco wall about 5 feet…

We just moved from Buffalo, NY to Tucson, AZ. This is my third home. I've done significant maintenance on my hot water tanks in the past. Have never heard one…

Hi, I am planning to build a house in Eastern Maime (Machias region) and I would like to use thermomass concrete. I prefer the insulation being sandwiched between concrete panels…

I'd really like some of the expert science based advice as I haven't found a clear answer to this question. We have natural gas forced hydronic as our primary heating…

We recently installed mini splits, which will eventually be run by a solar system. In the night, the electric went off, then came back on again, but the mini splits…

About a year ago I finished the exhaustive process of adding DIY polyiso ventilation baffles into every rafter space in my attic. I thought my attic would be in good…

I am in final planning of a new home build in zone 8 (8800 ft elevation). Flat building site, slab on grade construction. The local HOA has a design requirement that…

I'm trying to insulate my floors of my 1885 house above a crawl space (brick foundation, dirt crawl space, technically vented, though the venting is limited, mudsill with no capillary…

Not really a question, but I'll phrase it as one:  Does anyone need some tubes of Contega HF?I have seven 10-ounce tubes (cartridges) of Contega HF left over which I'd…

I've got a range hood that supposedly moves up to 500cfm (and a gas range so I would like the higher airflow).It's about a 6' duct run with 1 elbow,…

Hi all. I'm based in Central Pennsylvania and looking for insulation contractor recommendations. I'm hoping to add 2.5-3 inches of Rockwool Comfortboard as exterior continuous insulation to my ~3600 square…

Hello,I'm in michigan and working on insulating my attic. My attic has no soffit vents (and no way to add them). It has gable vents and slant back vents. My…

CT shoreline, Zone 5, newly renovated old home.We recently moved into our all electric renovated 1850's home with a Mitsubishi Hyper Heat Pump and a GE ERV. For the first…