Best Insulation Contractors in Houston, TX
23 contractors listed · all 23 in Houston · 7 open 24/7 · 19 open weekends · all 23 rated 4.5+
Data verified October 18, 2026
Amstill Roofing
Wabo Roofing Systems
360 Thermal
Revolution Air
Houston Roofing & Construction
The 23 contractors listed for Houston, TX insulate attics, walls, crawl spaces and rim joists. Details under each one about materials, hours and the services advertised are copied from the company's own site; star ratings and comments come from public reviews.

Area overview: Houston, TX
All 23 contractors we list here are in Houston itself. We have 76 contractors in Houston on file; this page shows the highest-rated 23. The contractors on this page are rated from 4.7 to 5.0 across 8,270 reviews; all 23 have 50 or more reviews. When customers rate these contractors on specific qualities, they most often praise professionalism (91%), quality (85%) and responsiveness (83%). 7 are open around the clock; 18 are open on Saturdays and 15 on Sundays. The services the contractors on this page list most often on their websites are commercial air duct cleaning (4), dryer vent cleaning (4), attic insulation (3), residential roofing (3) and carpet cleaning (2). 9 show a license on their websites; 1 lists staff certifications (GAF) and 7 have a BBB rating of A or A+. Domain records put 12 websites of the contractors on this page at ten or more years old; the oldest dates from 1999. 8 offer emergency call-outs; 7 offer financing or payment plans; 15 give free estimates; 9 are family- or locally-owned and 5 list coupons or special offers. We count these figures across the contractors on this page; hours and prices change, so confirm the details with the contractor before you book.
How many listings here have a website?
A website is on file for all 23 contractors here. Use it to see which materials they actually install, since a firm that only sprays foam will recommend foam. A contractor with no site is not automatically worse, but you will have to ask on the phone what the site would have told you.