Green Homes News

Good morning all, Looking at this possible method to detail my exterior wall sheathing (cdx) where it abuts the ICF foundation. As the photo shows, the sheathing is flush w the exterior…

A net-zero concrete and cement industry by 2050 is possible. Here’s how to get there.

I want to ensure we are going the right direction with HVAC for our new build (currently mid-construction). We had engineers do the HVAC design but the architect coordinated this…

Renovating an old farmhouse originally built in 1850 w no fewer than 6 additions over the years.  In several places I will be removing the outside siding, adding sheathing and…

Hi All -- Working through a couple details around a basement. I've included some supporting images but I'll try to summarize as best I can:- New Construction in CZ 6-…

I recently made a number of improvements to air seal the guest suite in my 1980s house. I think it was highly successful but now I'm faced with a dilemma.…

My head is spinning with options.  I have done a lot of reading and education about the options out there and now I’m even more confused than I was when…

My garage is being framed in 10 days.  The design is not optimum, but was my only option as building on top of the existing retaining wall put me into…

I have three Mitsu ducted mini splits.  I believe they are the "Mr Slim" type - they are each model number SEZ-KD**NA4 (G), with an outdoor unit MXZ-4C**NAHZ.Each indoor unit…

I intend to use ICF foundation wall.  What is good membrane on the eps insulation?

I Recently had a Mitsubishi HyperHeat PVA‐A36AA7 & PUZ‐HA36NKA installed  and have been tracking power consumption on it at the breaker. I'm finding that when the temp is below 35F,…

Local builder I know in Memphis (zone 3) uses 1/2" splash of closed cell insulation for air sealing plus fiberglass batts in a 2x4 wall. All the guidance I have…

While graphing the MBH of our York heatpump, I noted the table suggests a higher MHB and COP at 40F than 47F.Is this possible?  I looked at the specs for…

I'm installing fiber-cement lap siding (Nichiha) directly over 1/2" reflective foil-faced polyiso (no furring/spacer strips).  Should I be concerned with the foil reacting with the fiber-cement?  I cannot find anything…

Hello,I am designing a single-level, 1000 square foot PGH in coastal Maine, zone 6.  Its a 3/12 chicken shack  on a concrete free slab with foot wide walls, dense pack…

In this video from Matt Risinger and Architect Steve Baczek they showcase the method a homeowner (one of Steve’s clients) came up with to install all of his triple pane…

My ~100 yr old plumbing failed last Feb in my downstairs bathroom. I ended up taking the room to studs and had every pipe replaced because they are all accessible…

Wall assembly for zone 6 new construction should be an easy decision since thousands of them go up each year, and the topic is discussed as nauseam here and elsewhere.…

Interesting data in how inefficient an oversized multisplit is compared to single zones. Authored by Cadmus – Spring 2022 E4TheFuture co-funded a Cold Climate Air Source Heat Pump Building Electrification Study, researching…

Hello all,I live in climate zone 6, and am looking to insulate the interior walls of my basement with EPS. This won't be a finished space but there will be…