HVAC and Insulation From a Working Tech
Dana Sorensen · June 29, 2026
Early in my career, I made the call myself: tape over mastic, because it went up fast and left a tidy-looking seam. Three years later, back in that same attic, I watched that same foil tape curl away from the collars in long strips — and that one mistake still shapes how I answer the … Read more
Dana Sorensen · June 21, 2026
The first hard freeze of the season always exposes this same story. Homeowners who dropped $2,000 or more on fresh attic insulation start noticing their heating bills haven’t moved an inch, and they can’t figure out why. I’ve crawled into dozens of these attics chasing that exact complaint, and the culprit is nearly identical every … Read more
Dana Sorensen · June 20, 2026
Almost every homeowner assumes that piling on more insulation is what finally warms up a cold house — thicker R-value, warmer rooms. That assumption is wrong, and a client in South Minneapolis found that out the expensive way last Tuesday. He’d just handed over $3,200 to have a contractor blow R-60 cellulose across his attic … Read more