Best Bonded HVAC Contractors in Northfield, MN
9 HVAC contractors registered in Northfield 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. The 8 below are the top-ranked, ordered by years bonded.
How we chose: We identified 9 companies registered in Northfield. 9 passed bond verification. The 8 below are the top-ranked of those. Our methodology
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- Verified
- August 18, 2026
- Bonded since
- 2009
- Bond expires
- 2026-08-20
- Phone
- 5076455788
- Verified
- August 18, 2026
- Bonded since
- 2010
- Bond expires
- 2028-06-30
- Phone
- 5073018509
- Verified
- August 18, 2026
- Bonded since
- 2012
- Bond expires
- 2028-04-02
- Phone
- 5076637873
- Verified
- August 18, 2026
- Bonded since
- 2012
- Bond expires
- 2026-12-04
- Phone
- 6127206604
- Verified
- August 18, 2026
- Bonded since
- 2012
- Bond expires
- 2028-01-26
- Phone
- 5076459400
- Verified
- August 18, 2026
- Bonded since
- 2016
- Bond expires
- 2028-04-25
- Phone
- 5076457105
- Verified
- August 18, 2026
- Bonded since
- 2024
- Bond expires
- 2028-06-26
- Phone
- 5076454037
- Verified
- August 18, 2026
- Bonded since
- 2024
- Bond expires
- 2028-07-16
- Phone
- 5076492595
Compare the top 6 at a glance
| Company | Bond | Credential | On file since |
|---|---|---|---|
| Rons Northfield Refrigeration Heating & Air Conditioning Inc. | #MB003325 | Mechanical Contractor Bond | 2009 |
| Erlings Heating & Air Conditioning LLC | #MB005320 | Mechanical Contractor Bond | 2010 |
| Thibodeau Heating And Air Conditioning LLC | #MB649611 | Mechanical Contractor Bond | 2012 |
| Perfect Climate Inc. | #MB715991 | Mechanical Contractor Bond | 2012 |
| Welch Plumbing Incorporated | #MB660619 | Mechanical Contractor Bond | 2012 |
| Pauls Plumbing & Heating Of Dennison Inc. | #MB709036 | Mechanical Contractor Bond | 2016 |