Best Bonded HVAC Contractors in Lake Crystal, MN
5 HVAC contractors registered in Lake Crystal 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 5 are listed below, ordered by years bonded.
How we chose: We identified 5 companies registered in Lake Crystal. 5 passed bond verification. All 5 are listed below. Our methodology
We earn a fee when you call businesses through numbers on this site. This never affects who is listed or how they rank.
- Verified
- August 18, 2026
- Bonded since
- 2015
- Bond expires
- 2027-01-16
- Phone
- 5077206338
- Verified
- August 18, 2026
- Bonded since
- 2018
- Bond expires
- 2027-11-10
- Phone
- 5079959543
- Verified
- August 18, 2026
- Bonded since
- 2022
- Bond expires
- 2028-02-15
- Phone
- 5074790268
- Verified
- August 18, 2026
- Bonded since
- 2023
- Bond expires
- 2027-02-21
- Phone
- 5073271815
- Verified
- August 18, 2026
- Bonded since
- 2023
- Bond expires
- 2027-08-15
- Phone
- 5073511756
Compare the top 5 at a glance
| Company | Bond | Credential | On file since |
|---|---|---|---|
| Hellekson Heating & Air Conditioning LLC | #MB689780 | Mechanical Contractor Bond | 2015 |
| Lilly Plumbing LLC | #MB735103 | Mechanical Contractor Bond | 2018 |
| Crystal Heating & Cooling LLC | #MB790592 | Mechanical Contractor Bond | 2022 |
| Mac Plumbing LLC | #MB804071 | Mechanical Contractor Bond | 2023 |
| Mcmonagle Hvac LLC | #MB100020 | Mechanical Contractor Bond | 2023 |