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24 contractors listed · 9 in Nanaimo · 6 open 24/7 · 13 open weekends · 17 rated 4.5+
Data verified October 16, 2026
The 24 contractors listed for Nanaimo, BC insulate attics, basements, headers and crawl spaces. Details under each one about materials, hours and advertised services are copied from the company's own site; star ratings and comments come from public reviews.
9 of the 24 contractors we list are based in Nanaimo; the other 15 serve Nanaimo from towns including Duncan (46 km), Vancouver (62 km) and Burnaby (71 km). 21 of the contractors on this page have a rating, from 3.6 to 5.0 across 891 reviews; 6 have 50 or more reviews and 17 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (91%), responsiveness (80%) and quality (77%). The topics that come up most in reviews of the contractors on this page are "estimates", "price" and "communication". 6 are open around the clock; 13 are open on Saturdays and 8 on Sundays. The services the contractors on this page list most often on their websites are attic insulation (2), blown-in insulation (2), commercial insulation (2), crawl space insulation (2) and spray foam insulation (2). 2 show a licence on their websites. Domain records put 5 websites of the contractors on this page at ten or more years old; the oldest dates from 2007. 3 offer financing; 15 give free estimates; 6 are family- or locally-owned and 4 list coupons or special offers. We count these figures across the contractors on this page; distances are straight-line, and hours and prices change, so confirm the details with the contractor before you book.
A website is on file for all 24 contractors here. Look for the materials they install and whether they do attics, basements or both, because plenty of crews specialize in one. Where there is no site, ask the same questions by phone before booking a visit.
