Ottawa's commercial plumbing and backflow specialists
For 30+ years, property managers, contractors and institutions have relied on Tourangeau Mechanical for backflow testing, installations, repairs and ongoing maintenance — with a 24-hour emergency line when it can't wait.
Commercial plumbing, start to finish
Specialized crews for commercial, industrial and institutional buildings — not residential service calls.
Backflow testing & prevention
Installation, annual testing, repair and City of Ottawa reporting for every type of commercial backflow device — 1000+ devices tested every year.InstallationAnnual testingRepairCity reportingExplore backflow services →Is your building compliant this year?
Roughly 15,000 commercial, industrial and institutional properties in Ottawa fall under the City's backflow program. Devices must be tested every year by a qualified tester, and premises re-surveyed every five years. We handle the testing, the paperwork and the reminders.
- 1Survey & installWe assess cross-connection risk and install the right device for your premises.
- 2Annual testEvery device tested on schedule, with repairs done on the same visit when possible.
- 3Report to the CityResults submitted for you, with a copy for your records.
- 55-year re-surveyWe track your deadlines so the next survey never catches you off guard.
A specialist, not a generalist
| What commercial buildings need | Tourangeau | Typical residential plumber |
|---|---|---|
| Backflow testing as a core, year-round specialty | ✓ | ✗ |
| City of Ottawa test reporting handled for you | ✓ | ✗ |
| Dedicated commercial installation, repair and maintenance crews | ✓ | ✗ |
| Experience on federal & institutional sites | ✓ | ✗ |
| 24-hour emergency line | ✓ | ✓ |
| 30+ years in Ottawa's commercial market | ✓ | ✗ |
Trusted by the people who run buildings
“Tourangeau Mechanical is fast, professional and always on time with our clients. Scott and his team are who we refer to our realtors and home owners whenever a plumbing need arises.”
“Excellent workmanship and they are experienced professionals. I've used a few different companies over the years in the restaurant business and they're a great company. Highly recommended.”
“Excellent and quick to do the job. The owner is always involved on the jobs and it makes us the client know that we are being taken care of. I would recommend Tourangeau to anyone.”

Ottawa-owned, since 1995
Tourangeau Mechanical has delivered customer-focused commercial and industrial plumbing across Ottawa for over three decades. Led by President Scott Varin, our licensed team is trained continuously — so the crew on your site knows the latest codes, devices and City requirements.
- Ongoing staff training
- Based at 2212 Gladwin Cres.
Across Ottawa & Gatineau
Questions property managers ask us most
Does my building need a backflow prevention device?+
Most commercial, industrial, institutional and multi-residential properties in Ottawa are required to have one under the City's Backflow Prevention Program. A premises survey confirms which device your building needs — we can do that survey for you.
How often must backflow devices be tested?+
Every device must be tested at least once a year by a qualified tester, with results submitted to the City. Premises are re-surveyed every five years.
Do you submit the test results to the City for me?+
Yes. After each test we file the report with the City of Ottawa and send you a copy for your records.
Do you serve clients in French?+
Yes — we serve commercial clients on both sides of the river, in English and French.
Tell us about your building
Our estimator replies within one business day. One inbox, one person — no guessing who to contact.

