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21 companies listed · all 21 in Calgary · 5 open 24/7 · 18 open weekends · 19 rated 4.5+
Data verified October 19, 2026
Listed for homeowners in and around Calgary, AB, these 21 companies test for mould and indoor air problems. Listings show what each one states about sampling, lab work and the environmental tests it offers, plus ratings and quotes from public reviews.
All 21 companies we list here are in Calgary itself. We have 41 companies in Calgary on file; this page shows the highest-rated 21. The companies on this page are rated from 4.1 to 5.0 across 2,912 reviews; 16 have 50 or more reviews and 19 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (93%), quality (82%) and responsiveness (81%). The topics that come up most in reviews of the companies on this page are "price", "knowledge" and "communication". 5 are open around the clock; 18 are open on Saturdays and 17 on Sundays. The services the companies on this page list most often on their websites are asbestos removal (3), commercial restoration (2), fire restoration (2), mold removal (2) and mould removal (2). 3 show a licence on their websites and 1 lists staff certifications (IICRC). 7 have ten or more years of experience, the longest 20 years. 5 offer emergency call-outs; 4 give free estimates; 1 is family- or locally-owned and 1 lists coupons or special offers. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
Sites are listed for all 21 companies here. Check whether the company sells removal as well as testing, which lab it sends samples to, and whether it shows a redacted sample report. A firm that explains its sampling method in public is easier to hold to it later.
