Updated: Jul 17, 2026
Location
Address
2030 7TH ST S, Wisconsin Rapids, WI, 54494
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Guelzow Heating & Air Conditioning LLC
Guelzow Heating & Air Conditioning LLC, 2030-7 Th St S, Wisc Rapids, WI (Owned by: Mark L Guelzow) holds a Hvac Contractor, Regular, False license and 6 other licenses according to the Wisconsin Rapids license board.
Their BuildZoom score of 91 ranks in the top 37% of 94,017 Wisconsin licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Guelzow Heating & Air Conditioning LLC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
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Guelzow Heating & Air Conditioning LLC Contact Information
Phone Number: (715) 423-1086
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Address: 2030 7TH ST S, Wisc Rapids, WI 54494
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Guelzow Heating & Air Conditioning LLC License info
Verified License
| License # | 3949 - HVACCONT |
| Status | Active |
| City | Wisconsin Rapids |
| Type | Hvac Contractor, Regular, False |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Guelzow Heating & Air Conditioning LLC at the City of Wisconsin Rapids.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 3949HVACCON |
| Status | Active |
| City | Stevens Point |
| Type | Hvac Contractor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Guelzow Heating & Air Conditioning LLC at the City of Stevens Point.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 3949-HVACCONT |
| Status | Active |
| State | Wisconsin |
| Type | Hvac Contractor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Guelzow Heating & Air Conditioning LLC at the Wisconsin Department of Safety and Professional Services.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 3949 |
| Status | Active |
| City | Stevens Point |
| Type | Hvac Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2025. Check the current license status of Guelzow Heating & Air Conditioning LLC with the City of Stevens Point
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | HVAC2005196 |
| Status | Active |
| City | Wisconsin Rapids |
| Type | Hvac |
- When BuildZoom last verified this license, it had an expiration date of November, 2023. Check the current license status of Guelzow Heating & Air Conditioning LLC with the City of Wisconsin Rapids
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 3949 |
| Status | Inactive |
| City | Milwaukee |
| Type | Hvac Contractor |
- According to the City of Milwaukee License Search, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Guelzow Heating & Air Conditioning LLC at the City of Milwaukee License Search.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 3949 |
| Status | Inactive |
| Town | Grand Rapids |
| Type | Hvac Qualifier, Hvac Contractor |
- According to the Town of Grand Rapids, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Guelzow Heating & Air Conditioning LLC at the Town of Grand Rapids.
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
Guelzow Heating & Air Conditioning LLC Employees
JB
Joel Berry
Owner
MG
Mark Guelzow
MG
Mark L Guelzow
Owner