Updated: Dec 04, 2025
Location and Projects
Address
Fond Du Lac, WI, 54937
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Haack, Timothy HVAC/Mechanical Contractor
Haack, Timothy, Fond Du Lac, WI holds a Hvac Qualifier license according to the Wisconsin license board.
Their BuildZoom score of 90 indicates that they are licensed or registered but we do not have additional information about them.
Their license was verified as active when we last checked. If you are thinking of hiring Haack, Timothy, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Haack, Timothy Contact Information
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Hvac permi
Replace existing condensing unit
Valuation:
$16,905
Permit #:
200731
Status:
complete
Fee:
$375
Permit Type:
HVAC
Building Type:
N/A
Replace existing condensing unit
Valuation:
$16,905
Permit #:
200731
Status:
complete
Fee:
N/A
Permit Type:
HVAC
Building Type:
N/A
Replace existing condensing unit
Valuation:
$16,905
Permit #:
200706
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Roof top unit
Valuation:
$14,000
Permit #:
H173433
Status:
issued
Fee:
$335
Permit Type:
N/A
Building Type:
N/A
Roof top unit
Valuation:
$14,000
Permit #:
173433
Status:
complete
Fee:
$335
Permit Type:
HVAC
Building Type:
N/A
Roof top unit
Valuation:
$14,000
Permit #:
173433
Status:
complete
Fee:
N/A
Permit Type:
HVAC
Building Type:
N/A
Remodeling of 1st floor - former police dept. ok per j. van der weele to issue
Valuation:
$13,000
Permit #:
111101
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Air cond. unit & assoc. duct work to serve the ne new eng. dpt. office. add'l to permit #105875
Valuation:
$15,000
Permit #:
106766
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacement of 4 heating coiles 10 air handling unit dampers & 13 control valves
Valuation:
$23,464
Permit #:
105875
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Haack, Timothy License info
Verified License
| License # | 942733-HVACQ |
| Status | Active |
| State | Wisconsin |
| Type | Hvac Qualifier |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Haack, Timothy at the Wisconsin Department of Safety and Professional Services.
This is a sample of licensing data; click here to access a complete history.