Updated: Mar 02, 2026
Location and Projects
Address
6225 BUTTERWORTH LN, Hamel, MN, 55340
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Chiller Technology Services HVAC/Mechanical Contractor
Chiller Technology Services, 6225 Butterworth Ln, Hamel, MN (Owned by: Ernest J Duffney) holds a Mechanical Contractor Bond license and 2 other licenses according to the Minnesota license board.
Their BuildZoom score of 93 ranks in the top 27% of 77,973 Minnesota licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Chiller Technology Services, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Chiller Technology Services Contact Information
Phone Number: (612) 720-6253
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Address: 6225 BUTTERWORTH LN, Hamel, MN 55340
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Chiller Technology Services Hamel
Quality
93
73rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Chiller Technology Services has a BuildZoom score of 93, which places them above 73% of 77,973 contractors in Minnesota.
Activity
|
1 project
|
2023 |
Our building permit records indicate that Chiller Technology Services has worked on at least
1.0 project over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Pricing
|
1 project
|
< $5k |
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
Building Permits by Chiller Technology Services
This is a sample of this contractor's permits. Click here to access their complete permit history.
Chilled water piping
Valuation:
$7,000
Permit #:
GV101409
Status:
final
Fee:
$376
Permit Type:
Commercial HVAC
Building Type:
N/A
Replace carrier chiller & cooling tower with new c
Valuation:
$230,000
Permit #:
MI159650
Status:
final
Fee:
$4,827
Permit Type:
Commercial/ind
Building Type:
N/A
Install hot/cold water air handler unit
Valuation:
$39,000
Permit #:
EP088464
Status:
final
Fee:
$683
Permit Type:
Heating
Building Type:
N/A
Cooling tower replacement
Valuation:
$15,000
Permit #:
MI149062
Status:
final
Fee:
$391
Permit Type:
Commercial/ind
Building Type:
N/A
Install chiller on roof - double fee (installed without perm
Valuation:
$20,000
Permit #:
B200702771
Status:
issued
Fee:
N/A
Permit Type:
Replace commercial
Building Type:
N/A
No Description Available
Valuation:
$5,775
Permit #:
SL001280
Status:
Finaled
Fee:
$0
Permit Type:
Code Compliance
Building Type:
N/A
No Description Available
Valuation:
$400
Permit #:
SL006612
Status:
Finaled
Fee:
$0
Permit Type:
Disconnect
Building Type:
N/A
No Description Available
Valuation:
$1,105
Permit #:
SL012213
Status:
final
Fee:
N/A
Permit Type:
Disconnect
Building Type:
N/A
No Description Available
Valuation:
$942
Permit #:
SL019639
Status:
final
Fee:
N/A
Permit Type:
Disconnect
Building Type:
N/A
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Chiller Technology Services Reviews
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Verified License
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Chiller Technology Services License info
Verified License
| License # | MB004715 |
| Status | Active |
| State | Minnesota |
| Type | Mechanical Contractor Bond |
- BuildZoom has not verified this license since February, 2025.
Verify this license's status for Chiller Technology Services at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | BV004046 |
| Status | Active |
| City | Burnsville |
| Type | Contractor, Refrigeration And Air Conditio |
- When BuildZoom last verified this license, it had an expiration date of January, 2015. Check the current license status of Chiller Technology Services with the The City of Burnsville, MN
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | MB004715 |
| Status | Inactive |
| State | Minnesota |
| Type | Mechanical Contractor Bond |
- According to the Minnesota Department of Labor & Industry, 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 Chiller Technology Services at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
7
Permits
- Building permit records show that Chiller Technology Services has worked on 7 permitted projects.
Chiller Technology Services Employees
ED
Ernest J Duffney
Owner