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AC side of 14 year old Amana gas furnace/AC was pronounced dead in November. I have solar panels so I’m jumping off the cliff and going heat pump (and replacing gas water heater with a Stiebel Eltron heat pump water heater). The useful quotes I have are for a Lennox cold climate system (EL21KLV, proprietary […]
I ask because of an article in yesterday’s (3/21/25) Wall St Journal titled: “A Piece of Glass Thinner Than a Credit Card Could Solve America’s $25 Billion Energy Problem. New windows can insulate better than most walls, and some can even survive being hit with a two-by-four shot from a cannon” Here’s the full article […]
Join the leading community of building science experts Become a GBA Prime member and get instant access to the latest developments in green building, research, and reports from the field. Start free trial Replies Expert Member Akos | Mar 22, 2025 11:04am | #2 At 25′ unfortunately l/360 will be bouncy no matter what you […]
Quick question for those with experience here… Our sill to concrete foundation is sealed with Siga Fentrim. I just noticed one area where the fentrim got damaged, so I need to repair a 3″ section. I’m completely out of the Fentrim tape and hoping that either Big Stretch or Prosoco’s R Guard Fast Flash (I […]
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