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I am building a pretty good house with a cathedral ceiling and hot roof. I have a wood stove, and the chimney is framed in. It’s a metal Class A chimney with a square support box. The manufacturer (ICC) told me I cannot put spray foam within 1 inch of the support box, and that […]
Hi everyone. I’m in climate zone 6 in northeast Ohio. I have a cinder block wall foundation that I want to plaster or parge over to masks the block lines and give a smoother texture to (still want some character to it). I want to apply whatever material is recommended directly to the block if […]
Building Science How to choose and communicate two different energy units By RANDY WILLIAMS | September 25, 2025 When looking at a building’s energy consumption, we quickly bump into units. Utility bills, energy models, and rating-system requirements all talk about kilowatt-hours, Btu, therms, and MMBtu. The numbers can look wildly different for the same building […]
Stakeholders chart growth path for insurance industry at IMT 4.0 Champion Newspapers LTD
Azerbaijan signs contracts with foreign companies for Industry 4.0 education center Apa.az
Big question for us: do we go all-in on 100% heat pumps? Or do we go with hybrid heat pumps? The energy engineer is all-in on heat pumps and thinks we should be fine. The experienced HVAC contractor leans hybrid heat pumps. Looking for community experience and feedback. I’m a mechanical engineer and believe in […]
Dear GBA Community, We are in the midst of building a moderate-to-high-performance home in central Vermont. Following extensive discussions with our architect, we had settled on the following wall assembly (from outside in): * Siding (Everlast vertical board & batten, which has a tiny bit of rainscreen) * Hydrogap (for a little extra rainscreen to […]