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Oil vs Propane

Oil vs Propane user-5416610 | Posted in General Questions on September 3, 2026 02:27pm We live in Northwestern Connecticut in a circa 1800’s house, approximately 2500 sq. ft. The house is drafty in pl...

1 month ago
918 views
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Design question for slab on grade

Design question for slab on grade don_christensen | Posted in Green Building Techniques on August 31, 2026 06:57pm Suppose you have an insulated slab-on-grade foundation (example in attached image: Jo...

1 month ago
975 views
Market News

Bath Fans Can Make Indoor Humidity Worse

Building Science Bath Fans Can Make Indoor Humidity Worse A bathroom exhaust fan removes moisture after a shower—but during mild, humid weather it can also pull even more moisture into your house By A...

1 month ago
761 views
Market News

Home interior air/vapor barrier selection

Home interior air/vapor barrier selection SNRusnak | Posted in General Questions on August 19, 2026 11:32pm Hello, new member here, I’ve read a lot of good information off this site.  I’m building a p...

1 month ago
428 views