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I’m looking for advice on proper rim joist insulation to help solve a small condensation issue. For reference, this is a 2 story brick veneer home, built in 2000, traditional vented crawlspace, located in central Indiana, climate zone 5A. The crawlspace is approximately 2000 square feet and 4′ tall with 2′ below grade and 2′ […]
I’m considering blowing-in cellulose insulation in the attic of our 125yr old stone house in southeastern PA, which currently has zero insulation. The attic is divided into two halfs (original home and addition) by a 24″ X 36″ access hatch. The old half has a total of 3 gable end windows and the addition side […]
Q&A Spotlight Can you have fresh air and less humidity? (Yes!) By Chuck Bickford | July 14, 2025 Dew point temperature map of the US for 29 July 2024 at 3:40 pm. High outdoor humidity can mean high indoor humidity, too. Because the envelope of a modern, energy-efficient house is constructed to limit air exchange […]
I have one aranet4(about to buy another) And two qingping ndir CO2 sensors. Aranet4 was about $150Qing ping was $60 Both have integrations for home assistant. Aranet4 has Bluetooth while qingping has wifi. Aranet4 has a very long battery life but is not rechargeable ,qingping only lasts a few days but is rechargeable and can […]
About a month ago I asked about the idea of installing continuous insulation on the inside of a ceiling. Construction is now well on its way and the theory is becoming reality. The theory was to use a parallel chord truss to create a cathedral ceiling thru the entire house and infill after the […]
This quarter’s ‘Companies to Watch’ highlights companies that our guest investors from the region think our international audiences should know about. Our guest contributions this month have highlighted two companies from South Korea—one a start-up and the other a public company—and one company from China. The guest contributors were reacting to the open question: “What […]
A quiet transformation is underway in the cleantech world. Artificial intelligence is here to stay, and it’s remodeling the very foundation of innovation, reshaping how breakthroughs are conceived, developed, and scaled. At Cleantech Group, we’ve been closely tracking, for more than two years now, the accelerating impact of advanced AI across the sectors we cover. […]
Baku hosts international event on “Industry 4.0 Forum – Industry of the Future: Technology and Human Power” Azərtac
