Best Bonded HVAC Contractors in Willmar, MN
8 HVAC contractors registered in Willmar 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 8 are listed below, ordered by years bonded.
How we chose: We identified 8 companies registered in Willmar. 8 passed bond verification. All 8 are listed below. Our methodology
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- Verified
- August 18, 2026
- Bonded since
- 2009
- Bond expires
- 2028-07-22
- Phone
- 3202200893
- Verified
- August 18, 2026
- Bonded since
- 2009
- Bond expires
- 2028-09-16
- Phone
- 2302352151
- Verified
- August 18, 2026
- Bonded since
- 2009
- Bond expires
- 2026-09-23
- Verified
- August 18, 2026
- Bonded since
- 2009
- Bond expires
- 2026-11-18
- Phone
- 3202354962
- Verified
- August 18, 2026
- Bonded since
- 2012
- Bond expires
- 2028-05-01
- Phone
- 3204035092
- Verified
- August 18, 2026
- Bonded since
- 2017
- Bond expires
- 2027-03-08
- Phone
- 3202122998
- Verified
- August 18, 2026
- Bonded since
- 2020
- Bond expires
- 2026-09-04
- Phone
- 3204557295
- Verified
- August 18, 2026
- Bonded since
- 2010
- Bond expires
- 2026-10-04
- Phone
- 3202127180
Compare the top 6 at a glance
| Company | Bond | Credential | On file since |
|---|---|---|---|
| Heating And Cooling By Sam | #MB003216 | Mechanical Contractor Bond | 2009 |
| Chappell Central Inc. | #MB003547 | Mechanical Contractor Bond | 2009 |
| Watson Refrigeration LLC | #MB003749 | Mechanical Contractor Bond | 2009 |
| Plumbing And Heating Of Willmar Inc. | #MB004051 | Mechanical Contractor Bond | 2009 |
| Bullet Proof Mechanical Service Inc. | #MB650182 | Mechanical Contractor Bond | 2012 |
| Blomquist Service & Sales Inc. | #MB723934 | Mechanical Contractor Bond | 2017 |