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泡沫和纤维素作为起草防喷器in an exposed floor
We’ve been gradually doing insulation and HVAC retrofits on our 1890s vintage single family wood frame home in Chicago.One area that remains problematic is a roughly 250 square foot extension…
Heat Pump Sanity Check – Empirical load versus NEEP tables
TL;DR; - I would value a gut check about whether I am correctly/realistically interpreting the output I can expect from a given heat pump at a given temperature based on…
Non-destructive improvement of loose-fitting cavity insulation?
Early this fall, we had dense pack cellulose blown into the empty wall cavities on our first floor. Not every cavity was empty. In all, about 1/3rd of them had…
Retrofit external insulation for a brick foundation – ground/below-grade interface
I’m exploring adding rigid insulation to the exterior of our brick foundation. We’ve done a substantial amount of retrofit insulation/air sealing retrofit on the rest of our house and the…