Tonna Mechanical Inc
Licensed plumber in Rochester, Minnesota
Tonna Mechanical Inc holds Minnesota DLI licence PC643850, active, licensed since 1 Jan 2012, rated 4.9 from 3785 Google reviews. Bonded with Federated Mutual Insurance Company. No complaints on the Minnesota DLI record.
Report card
- Licence activeMinnesota DLI #PC643850, class Plumbing Contractor. Issued 1 Jan 2012, expires 31 Dec 2027.
- Licensed 15 yrsSince 1 Jan 2012.
- BondedContractor’s bond with Federated Mutual Insurance Company. Minnesota sets the bond by law, $25,000 for electrical, technology systems and plumbing contractors, $15,000 for residential roofers and $3,000 for water conditioning contractors, so every licensed business in a trade carries the same amount.
- Workers' comp insuredOn the Minnesota DLI record.
- Liability insuredFederated Mutual Insurance Company, valid to 1 Sep 2027.
- No complaintsNone on the Minnesota DLI record.Minnesota DLI record
- On the BBB, not accreditedIts BBB rating, complaints and reviews are on its Better Business Bureau profile.BBB profile Complaints Reviews
Checked against the Minnesota Department of Labor and Industry (DLI) register on 4 Nov 2026.
Google reviews
4.9(3,785 reviews)Dan Anderson★★★★★ 4 months agoView on Google
During a pre-season system check it was determined that we had some issues that required either a $300-$400 band-aid to safely start the cooling season or some more significant repairs to help better attempt survival of the 3026 summer. The system was installed when our townhome was built 22 years ago, and we have witnessed HVAC vendor trucks start to visit our neighborhood about three years ago, and we had started t…
Jazzie Love★★★★★ 3 weeks agoView on Google
Testimonial Ricky was a pleasant and professional young man when he arrived at my home. From the beginning, I could tell that he was determined and committed to solving the problem. He was straightforward, friendly, and easygoing. I especially appreciated that he took the time to carefully and calmly investigate the issue before reaching a conclusion. Once he identified the problem, he explained the situation to us …
Tony Gruenwald★★★★★ a month agoView on Google
An absolutely amazing experience from start to finish with Tonna! First my inspection and estimate with Mason was so helpful, he answered all my questions and walked me through the process step by step. The quotes and systems they offered were exactly what we were looking for at a price we had budgeted. They were able to install the units just days later and Zach B. and Cody L. were so professional and knowledgeable …
Urrvano Gamez★★★★★ 3 months agoView on Google
As members of Tonna's Just Right Comfort Club, we receive yearly maintenance checks for our A/C and furnace as well as a whole home plumbing system check. All of the Tonna representatives that have come to our house for these maintenance checks have been friendly and professional. During our last plumbing check, Carter found a slight leak at the water shut off valve for our water heater. He was able to repair the iss…
Buddy Wear★★★★★ 8 months agoView on Google
Paid good money to get a new Carrier furnace installed in October 2025. Was suppose to have grounding wiring done for gas lines. Electrician tech came out same day when furnace installed to do wiring and install the grounding wiring. Because he arrived hours late used the excuse that didn't have enough wire with him to finish job and would squeeze us in over the next few weeks. Over 4 months later we have not heard s…
Read all 3785 reviews on Google Reviews and photos from Google, 3 Nov 2026.
OSHA inspections
US Department of Labor enforcement data, matched by business name and city.
- 8 May 2015 · Planned3 violations, $1,050 penalty · case
Why it ranks #1 of 13 plumbers in Rochester
Score 90.5 / 100. Claiming this listing or using Theo never changes it. How we rank
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