Green Homes News

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…

Advice much appreciated! I’m headed to a factory tour tomorrow for a high quality prefab that I'm keen to build in 2025. The factory line has several units in various…

Hello, and thank you for all the resources this community has provided. I am an experienced interior remodel contractor building a barndominium/shop-home for myself and family in Northern Idaho (zone…

I am preparing to finish my basement (Rhode Island - zone 5). It is a walkout basement with poured concrete walls on 3 sides and a framed wall (insulated with…

My partner and I are interested in building or having built a small "Pretty Good House" in building climate zone 5A of New York State.  I'm wondering if stamped, engineered…

To know whether bath fans will help or hinder, compare the indoor and outdoor dew points

Just read this article about a new battery technology developed by TDK, an all-ceramic solid-state battery: https://arstechnica.com/gadgets/2024/06/tdk-claims-insane-energy-density-in-solid-state-battery-breakthrough/They claim an energy density of 1000 Watt hours per liter. By comparison, lithium ion…

I was always curious how accurate the n-factor estimates are, so i decided to measure it once i finally got the tools.Measured ach50 was 1.48, so n-factor for zone two…

I’m planning to finish my basement and would like to understand the average costs involved. I intend to include insulation, drywall, flooring, and a small bathroom. The space is about…

Authors and stakeholders of the amended building code weigh in

in hindsight, i should've asked before doing my own thing .  i did spend   a whole 15 minutes googling how to insulate a 2' kneewall where the interior ceiling…

What’s the best way to increase the R-value of a vaulted ceiling?

My brother has a house in zone 6b, with a unheated basement, that is usually pretty damp. He began installing fiberglass insulation between the floor joists in the basement. He…

Anyone integrated ERVs with an automation system like control4 who can advise me on the approach? There will be multiple units independently controlled, just looking for a way to access…