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I’m remodeling my forever/retirement lake house in climate zone 6/7 and trying to decide on vinyl or fiberglass windows. From research there are vinyl window companies that outperform, objectively speaking fiberglass in DP, U factor, air infiltration, CR rating, warranty. However, I see fiberglass praised quite a bit. Empirically speaking I know people who have […]
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Best Practices This common area of air leakage is easy to address when building new—but much harder after the house is finished. By RANDY WILLIAMS | December 1, 2025 When performing energy audits and building investigations in my very cold climate, I rarely see a house that doesn’t have some air leaking around electrical boxes […]
Hi everyone, I’m designing an ADU in Climate Zone 6 (Portland, ME) and targeting Passive House level performance. I want to bring more daylight into the deeper interior spaces, but I’m concerned about the energy penalty that skylights can introduce in a cold climate. For a Passive House project in Zone 6, which strategy generally […]
Retrofitting legacy machines: India’s strategic advantage in race to smart manufacturing ET Manufacturing
