Updated: Mar 14, 2026
Location and Projects
Address
2045 RADATZ AVE, St Paul, MN, 55109
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Harmon Air HVAC/Mechanical Contractor
Harmon Air Inc, 2045 Radatz Ave, St Paul, MN (Owned by: Ronald Harmon) holds a Mechanical Contractor Bond license and 2 other licenses according to the Minnesota license board.
Their BuildZoom score of 91 ranks in the top 37% of 77,973 Minnesota licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Harmon Air Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Harmon Air Inc Contact Information
Phone Number: (651) 214-2176
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Address: 2045 RADATZ AVE, St Paul, MN 55109
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Furnace
Valuation:
$3,750
Permit #:
CR172836
Status:
final
Fee:
$49
Permit Type:
Residential
Building Type:
N/A
Furnace
Valuation:
$3,750
Permit #:
CR172836
Status:
Issued
Fee:
$49
Permit Type:
Residential
Building Type:
N/A
2 furnaces and 1 air cond and gas piping
Valuation:
$9,000
Permit #:
WB047292
Status:
issued
Fee:
$155
Permit Type:
HVAC
Building Type:
N/A
Replacement windows on 10th and 11th floor for dept store. lbf no plan
Valuation:
$534,600
Permit #:
3020782
Status:
Done
Fee:
$3,763
Permit Type:
Bire
Building Type:
Retail
Replace curtain wall at north w all. dho #1
Valuation:
$161,000
Permit #:
3020530
Status:
Done
Fee:
$2,343
Permit Type:
Bire
Building Type:
Institution sch c...
Replace windows on 8th and 9th floors. dho
Valuation:
$500,000
Permit #:
3014484
Status:
Done
Fee:
$3,571
Permit Type:
Bire
Building Type:
Retail
Replacement furnace
Valuation:
N/A
Permit #:
081246
Status:
ISSUED
Fee:
N/A
Permit Type:
Mechanical altera...
Building Type:
N/A
Replace furnace mechanical-0
Valuation:
N/A
Permit #:
NH011073
Status:
final
Fee:
N/A
Permit Type:
Heating system
Building Type:
N/A
Rplc furnace air conditioning mechanical-0 mechanical-0
Valuation:
N/A
Permit #:
NH012093
Status:
final
Fee:
N/A
Permit Type:
Heating system
Building Type:
N/A
Rooftop unit
Valuation:
$6,100
Permit #:
CR094245
Status:
final
Fee:
$147
Permit Type:
Commercial
Building Type:
N/A
Building permit to replace some windows. gm
Valuation:
$30,000
Permit #:
3023133
Status:
Done
Fee:
$467
Permit Type:
Bire
Building Type:
Institution sch c...
Wirsbo
Valuation:
$5,000
Permit #:
EP066955
Status:
issued
Fee:
N/A
Permit Type:
Radiant heat
Building Type:
N/A
New windows & door
Valuation:
$56,000
Permit #:
RI078515
Status:
final
Fee:
$756
Permit Type:
Commercial
Building Type:
N/A
Refrig. piping for coolers
Valuation:
$1,000
Permit #:
B201002714
Status:
issued
Fee:
$56
Permit Type:
Commercial rem/add
Building Type:
N/A
New glass window
Valuation:
$12,575
Permit #:
ED004487
Status:
issued
Fee:
$28
Permit Type:
Office, bank, pro...
Building Type:
N/A
See remarks
Valuation:
$10,000
Permit #:
SL018777
Status:
final
Fee:
N/A
Permit Type:
Alteration commer...
Building Type:
N/A
No Description Available
Valuation:
$1,860
Permit #:
SL011912
Status:
final
Fee:
N/A
Permit Type:
Alteration commer...
Building Type:
N/A
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Harmon Air Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Harmon Air Inc License info
Verified License
| License # | MB004781 |
| Status | Active |
| State | Minnesota |
| Type | Mechanical Contractor Bond |
| Business Type | Not Available |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Harmon Air Inc 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 # | BV001587 |
| Status | Active |
| City | Burnsville |
| Type | Contractor, Refrigeration And Air Conditio |
| Business Type | Not Available |
- When BuildZoom last verified this license, it had an expiration date of February, 2012. Check the current license status of Harmon Air Inc with the The City of Burnsville, MN
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | MB004781 |
| Status | Inactive |
| State | Minnesota |
| Type | Mechanical Contractor Bond |
| Business Type | Not Available |
- 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 Harmon Air Inc at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
15
Permits
- Building permit records show that Harmon Air Inc has worked on 15 permitted projects.
Harmon Air Inc Employees
.
.
RH
Ronald Harmon
Owner