Best Bonded HVAC Contractors in Dundas, MN
4 HVAC contractors registered in Dundas hold current DLI mechanical contractor bonds, verified against official records as of August 18, 2026. Minnesota does not license mechanical contractors - the state requires a contractor bond filed with DLI instead, and that is the credential verified here. All 4 are listed below, ordered by years bonded.
How we chose: We identified 4 companies registered in Dundas. 4 passed bond verification. All 4 are listed below. Our methodology
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- Verified
- August 18, 2026
- Bonded since
- 2010
- Bond expires
- 2028-02-04
- Phone
- 6123665436
- Verified
- August 18, 2026
- Bonded since
- 2017
- Bond expires
- 2027-01-26
- Phone
- 5076455675
- Verified
- August 18, 2026
- Bonded since
- 2020
- Bond expires
- 2026-11-03
- Phone
- 5076631208
- Verified
- August 18, 2026
- Bonded since
- 2022
- Bond expires
- 2028-01-03
- Phone
- 6123689909
Compare the top 4 at a glance
| Company | Bond | Credential | On file since |
|---|---|---|---|
| Keith Pumper Plumbing & Heating Inc. | #MB004272 | Mechanical Contractor Bond | 2010 |
| Mechanical Systems Inc. | #MB719618 | Mechanical Contractor Bond | 2017 |
| Better Air LLC | #MB774563 | Mechanical Contractor Bond | 2020 |
| Kelly Family Heating & Cooling LLC | #MB789122 | Mechanical Contractor Bond | 2022 |