Updated: Jun 04, 2026
Location
Address
Monroe, WI, 53566
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Efficient Steam Systems HVAC/Mechanical Contractor
Efficient Steam Systems Inc at WI 53566, held a HVAC/Mechanical Contractor license (#947831) with the Milwaukee contractors license board. We last verified the license was inactive on 06-03-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 94,017 Wisconsin contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
Efficient Steam Systems Inc Contact Information
Phone Number: (608) 325-3522
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Efficient Steam Systems Inc License info
Inactive License
| License # | 947831 |
| 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 Efficient Steam Systems Inc at the City of Milwaukee License Search.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 947831-HVACCONT |
| Status | Inactive |
| State | Wisconsin |
| Type | Hvac Contractor |
- According to the Wisconsin Department of Safety and Professional Services, 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 Efficient Steam Systems Inc at the Wisconsin Department of Safety and Professional Services.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are Efficient Steam Systems Inc, click “This is My Business” to update your information.
Efficient Steam Systems Inc Employees
MW
Martin D Wels
Owner
MW
Martin Wels