Do You Need a Dehumidifier in Your Sealed Attic? What Contractors Won’t Tell You
Dana Sorensen · October 10, 2026
I got a call last Tuesday from a homeowner in the suburbs—let’s call him Mark—who’d just paid $8,000 to have his vented attic spray-foamed at the roofline. He was thrilled with the energy savings already. But then, three weeks into winter, a different contractor came out for an unrelated HVAC estimate, took one look at … Read more