Updated: Apr 24, 2026
Location and Projects
Address
5638 Miller Trunk Hwy, Hermantown, MN, 55811
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Cosgriff Climate Control HVAC
We service & replace heating systems, furnaces air conditioning in and around Duluth MN. Commercial & Residential AC Service & HVAC.
From BuildZoom:
Their BuildZoom score of 0 does not rank in the top 50% of Minnesota contractors.
If you are thinking of hiring Cosgriff Climate Control HVAC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Cosgriff Climate Control HVAC Services
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Cosgriff Climate Control HVAC Contact Information
Phone Number: (218) 729-7279
Address: 5638 Miller Trunk Hwy, Hermantown, MN 55811
Building Permits by Cosgriff Climate Control HVAC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Hvac (furnace or boiler replacement) - 1 or 2 family dwelling
2020-01-17
Forced air furnace replacement
Valuation:
$4,380
Permit #:
BHVAC1912-076
Status:
final
Fee:
$144
Permit Type:
N/A
Building Type:
N/A
Hvac (furnace or boiler replacement) - 1 or 2 family dwelling
2019-01-04
Forced air high eff replacing with forced air high eff
Valuation:
$3,780
Permit #:
BHVAC1811-006
Status:
final
Fee:
$139
Permit Type:
N/A
Building Type:
N/A
Hvac (new or full system replacement) - 1 or 2 family dwelling
2019-04-04
New furnace and additional duct work
Valuation:
$8,115
Permit #:
BHVAC1904-019
Status:
issued
Fee:
$176
Permit Type:
N/A
Building Type:
N/A
Hvac (furnace or boiler replacement) - 1 or 2 family dwelling
2019-11-04
Forced air furnace replacement
Valuation:
$3,600
Permit #:
BHVAC1911-012
Status:
issued
Fee:
$144
Permit Type:
N/A
Building Type:
N/A
Hvac (furnace or boiler replacement) - 1 or 2 family dwelling
2018-12-03
Furnace and air conditioning replacement
Valuation:
$6,900
Permit #:
BHVAC1811-134
Status:
final
Fee:
$139
Permit Type:
N/A
Building Type:
N/A
Hvac (furnace or boiler replacement) - 1 or 2 family dwelling
2018-05-10
Forced air 90% changed to forced air 96%
Valuation:
$3,900
Permit #:
BHVAC1802-064
Status:
final
Fee:
$139
Permit Type:
N/A
Building Type:
N/A
Hvac (furnace or boiler replacement) - 1 or 2 family dwelling
2018-05-10
Forced air 90% changed to forced air 96%
Valuation:
$3,900
Permit #:
BHVAC1802-064
Status:
final
Fee:
$139
Permit Type:
N/A
Building Type:
N/A
Hvac (furnace or boiler replacement) - 1 or 2 family dwelling
2019-02-04
Boiler change out
Valuation:
$8,339
Permit #:
BHVAC1901-065
Status:
final
Fee:
$144
Permit Type:
N/A
Building Type:
N/A
Repipe tub/lav 2nd for bathroom
Valuation:
$1,000
Permit #:
BPLUM1806-045
Status:
final
Fee:
$46
Permit Type:
N/A
Building Type:
N/A
Install new boiler ashp and air exchanger in new home
Valuation:
N/A
Permit #:
BHVAC1508-045
Status:
final
Fee:
N/A
Permit Type:
Residential
Building Type:
N/A
Replacement of furnace adding air conditioning and new water heater
Valuation:
N/A
Permit #:
BHVAC1609-078
Status:
final
Fee:
N/A
Permit Type:
New or replace fu...
Building Type:
N/A
Replacing oil boiler with natural gas boiler
Valuation:
N/A
Permit #:
BHVAC1707-049
Status:
final
Fee:
N/A
Permit Type:
Furnace or boiler...
Building Type:
N/A
Furnace install with addition of some duct work
Valuation:
N/A
Permit #:
BHVAC1711-068
Status:
final
Fee:
N/A
Permit Type:
Furnace or boiler...
Building Type:
N/A
Forced air heating system with hrv
Valuation:
N/A
Permit #:
BHVAC1703-050
Status:
final
Fee:
N/A
Permit Type:
New or replace fu...
Building Type:
N/A
New construction forced air system
Valuation:
N/A
Permit #:
BHVAC1701-072
Status:
final
Fee:
N/A
Permit Type:
New or replace fu...
Building Type:
N/A
Furnish and install 2 ton ruud 13 seer air conditioning
Valuation:
$2,400
Permit #:
BHVAC1605-016
Status:
issued
Fee:
$91
Permit Type:
Air conditioner o...
Building Type:
N/A
Replace old oil furnace with new williamson
Valuation:
N/A
Permit #:
BHVAC1602-006
Status:
final
Fee:
N/A
Permit Type:
Furnace or boiler...
Building Type:
N/A
Replace old oil furnace with new williamson
Valuation:
N/A
Permit #:
BHVAC1602-003
Status:
final
Fee:
N/A
Permit Type:
Furnace or boiler...
Building Type:
N/A
Install new oil furnace to present plumbing
Valuation:
N/A
Permit #:
BHVAC1512-035
Status:
final
Fee:
N/A
Permit Type:
Furnace replace
Building Type:
N/A
Replace gas furnace with new ruud
Valuation:
N/A
Permit #:
BHVAC1511-061
Status:
final
Fee:
N/A
Permit Type:
Furnace replace
Building Type:
N/A
Cosgriff Climate Control HVAC Reviews
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Cosgriff Climate Control HVAC License info
License Not Verified
| License # | R0710 |
| Status | Active |
| City | Duluth |
| Type | Hvac Cont |
- When BuildZoom last verified this license, it had an expiration date of December, 2024. Check the current license status of Cosgriff Climate Control HVAC with the The City of Duluth, MN
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | MB664946 |
| 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.
Check this license's status for Cosgriff Climate Control HVAC at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | MB664946 |
| 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.
Check this license's status for Cosgriff Climate Control HVAC at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
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BuildZoom Score
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51
Permits
- Building permit records show that Cosgriff Climate Control HVAC has worked on 51 permitted projects.
Cosgriff Climate Control HVAC Employees
CL
Cosgriff Climate Control Llc
Owner