Updated: Jun 23, 2026
Location and Projects
Address
PO BOX 336861, Greeley, CO, 80633
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John Duesing HVAC
John Duesing HVAC, Greeley, Po Box 336861, Greeley, CO (Employees: John B Duesing and John Brian Duesing) holds a General license and 8 other licenses according to the Centennial license board.
Their BuildZoom score of 107 ranks in the top 6% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring John Duesing HVAC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
John Duesing HVAC Contact Information
Phone Number: (970) 691-2195
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Address: PO BOX 336861, Greeley, CO 80633
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John Duesing HVAC Greeley
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
John Duesing HVAC has a BuildZoom score of 107, which places them above 94% of 55,949 contractors in Colorado.
Activity
|
8 projects
|
2025 |
|
7 projects
|
2024 |
|
4 projects
|
2023 |
Our building permit records indicate that John Duesing HVAC has worked on at least
19.0 projects 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.
Experience
|
3 projects
|
Home Additions |
|
18 projects
|
HVAC projects |
|
12 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that John Duesing HVAC mostly works on
hvac project
and mechanical project
projects.
Pricing
|
5 projects
|
< $5k |
|
5 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
|
1 project
|
$250k-$500k |
The typical size of their permits is approximately $9,550. This graph shows the distribution of these job values.
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.
John Duesing HVAC Reviews
5 out of 5 stars, based on
2
reviews
-
By Gene B.May 17, 2022Fix furnace and install HVAC$5,000
-
By Alejandra Q.December 15, 2021A furnace maintenance$150
They came on time! And did an amazing job! Not just working on my furnace but actually explaining everything to me!
This is a sample of this contractor's permits. Click here to access their complete permit history.
832 sf tenant improvement in an existing one story commercial retails center new lighting new flooring and paint relocate existing hvac supplies/returns cap old water/waste line shift private restroom sink 6 for ada bathroom and janitors closest to remain as is egress lighting as needed construct accent wall and office wall with a new door addition fire extinguisher new outlets and da... see more
Valuation:
$65,800
Permit #:
24-001310
Status:
issued
Fee:
$3,422
Permit Type:
N/A
Building Type:
N/A
Remove load bearing wall at primary bedroom replace with beam per engineer design replace furnace and water heater addition air conditioning minor electrical/plumbing to accommodate new bath/bedroom/kitchen layout. replace electrical panel. replace windows in existing openings. cogan construction services to do the framing. city staff comment: labels showing u-factor and shgc informat... see more
Valuation:
$29,746
Permit #:
B2507723
Status:
issued
Fee:
$1,280
Permit Type:
N/A
Building Type:
N/A
All demolish work is the same in each of the 3 units create one open space for future business condos (core and shell condition) demolish all non bearing/non rated interior walls per plan remove all wall coverings remove all flooring remove all ceilings (drywall & ceiling grid) remove all base and trim demolish electrical fixtures and power back to panel demolish plumbing lines back t... see more
Valuation:
$32,000
Permit #:
B2409011
Status:
complete
Fee:
$65
Permit Type:
N/A
Building Type:
N/A
Description: new patio 21x27 & 11x19; project will upgrade breaker in main breaker panel to existing subpanel. 90a service from subpanel to 6 space outdoor panel which will feed hot tub overhead lights low voltage patio lighting and a circuit to a fountain. gas will be routed from meter to bbq and firepit. disconnects will be visible and within 6 feet of appliance. patio is made up of... see more
Valuation:
$67,000
Permit #:
B2401535
Status:
complete
Fee:
$2,560
Permit Type:
N/A
Building Type:
N/A
Install structural beam per structural drawing/letter bypass door new welded handrails led retrofit trims on existing can lights throughout 6 new led can lights new switch/outlet gear at all existing locations except garage/basement new plumbing fixtures in existing guest and master bathroom new ceiling/wall mount light fixtures throughout 1st and 2nd story in existing locations only ... see more
Valuation:
$125,000
Permit #:
B2306704
Status:
complete
Fee:
$4,135
Permit Type:
N/A
Building Type:
N/A
Repermit of expired rsn20-0021 - change of use from storage building built in 1963 to single family dwelling - 1025 sf two story new single family dwelling on slab - no garage - includes utilities and building modifications - for second dwelling zpag19-0003 - fees and one year expiration date per tonya -
Valuation:
N/A
Permit #:
RSN22-0047
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Change of use from storage building built in 1963 to single family dwelling - 1025 two story new single family dwelling on slab - includes utilities and building modifications - for second dwelling zpag19-0003 - fees per jose - 3/8/21 permit expiration warning emailed to owner (trj) - 3/16/21 extension request approved for an additional 365 days (4/2/22) (trj)
Valuation:
$115,466
Permit #:
RSN20-0021
Status:
issued
Fee:
$3,323
Permit Type:
N/A
Building Type:
N/A
Interior demolish of 2500 sq. ft. to include removing metal stud framed walls/drywall for new layout removal of acoustical ceiling in studio area remove existing doors and windows service and clean existing hvac terminate power to all demolish areas clean and clear attic debris and disconnect and cap lighting in demolish areas. job contact: josh mathis 970-227-7595
Valuation:
$20,000
Permit #:
B2106716
Status:
complete
Fee:
$65
Permit Type:
N/A
Building Type:
N/A
Interior remodel to include removal of interior walls and closet/pantry to create open floor plan and creaction of master bathroom with remodel of master closet. remove hot water heater and install tankless hot water system in mudroom. job contact kris dunlap 970-402-5739
Valuation:
$8,000
Permit #:
B2108918
Status:
complete
Fee:
$442
Permit Type:
N/A
Building Type:
N/A
First time tenant of 2281 sf for jt flooring. work to include all necessary electrical plumbing and mechanical. job contact - josh mathis - 970-227-7595
Valuation:
$145,000
Permit #:
B2106137
Status:
complete
Fee:
$20,613
Permit Type:
N/A
Building Type:
N/A
1296 sf new two-story single family dwelling on 435 sf finished and 213 sf unfinished basement w 2160 sf attached garage - 10x10 uncovered patio 10x10 uncovered deck and 4x4 uncovered porch - includes air conditioning - for second dwelling usr18-0014
Valuation:
$217,018
Permit #:
RSN18-0220
Status:
final
Fee:
$6,351
Permit Type:
N/A
Building Type:
N/A
Air conditioner condenser replacement
Valuation:
$5,000
Permit #:
B2502552
Status:
expired
Fee:
$194
Permit Type:
N/A
Building Type:
N/A
Replace condensing unit and air handler air conditioner : 1 total : 1
Valuation:
$7,500
Permit #:
B2507476
Status:
issued
Fee:
$258
Permit Type:
N/A
Building Type:
N/A
Install new 100 amp electrical service and two 200k btu furnaces in existing detached garage built in 1980 - includes new u/g gas line - for personal use - work already complete
Valuation:
$9,000
Permit #:
ASA19-0111
Status:
final
Fee:
$303
Permit Type:
N/A
Building Type:
N/A
200 sf interior remodel of existing dwelling built in 1980 - includes utilities - for master bathroom and master closet
Valuation:
$23,540
Permit #:
RSA21-0196
Status:
final
Fee:
$431
Permit Type:
N/A
Building Type:
N/A
2440 sf tenant finish to existing commercial building built in 2000 - for six offices and one conferecne room - utilities included - spr14-0002
Valuation:
$391,034
Permit #:
CMA17-0049
Status:
final
Fee:
$10,076
Permit Type:
N/A
Building Type:
N/A
Basement finish of 1 461 sq. ft. to include living area (with wet bar - no cooking appliances) 1 bedroom 1 full bathroom storage space and unfinished storage area. homeowner affidavit on file
Valuation:
$50,000
Permit #:
B1911221
Status:
complete
Fee:
$1,882
Permit Type:
N/A
Building Type:
N/A
Replace furnace and air conditioner
Valuation:
$9,100
Permit #:
MECH2304-0105
Status:
final
Fee:
$379
Permit Type:
Furnace and air c...
Building Type:
N/A
New boiler installation no change to building heat
Valuation:
$98,000
Permit #:
PLB2101-0175
Status:
final
Fee:
$2,994
Permit Type:
Water heater boiler
Building Type:
N/A
Replace the existing air conditioner with a new unit
Valuation:
$4,500
Permit #:
B2206930
Status:
complete
Fee:
$170
Permit Type:
N/A
Building Type:
N/A
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Verified License
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John Duesing HVAC License info
Verified License
| License # | CL-007101-2026 |
| Status | Active |
| City | Centennial |
| Type | General |
| Class | HVAC |
| Date Issued | 04-09-2026 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for John Duesing HVAC at the Centennial Community Development Contractor Licensing.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 24-000326 |
| Status | Active |
| City | Lafayette |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of October, 2025. Check the current license status of John Duesing HVAC with the City of Lafayette
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Aurora |
| Type | Mechanical Systems Contractor |
- BuildZoom verified this license was active as of June 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | H-2192 |
| Status | Active |
| City | Fort Collins |
| Type | Sub Contractor |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for John Duesing HVAC at the City of Fort Collins.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | CL0852 |
| Status | Active |
| County | Larimer County, Co |
| Type | Commercial |
- When BuildZoom last verified this license, it had an expiration date of November, 2017. Check the current license status of John Duesing HVAC with the Larimer County
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | H-2192 |
| Status | Active |
| Type | Sub Contractor |
- When BuildZoom last verified this license, it had an expiration date of July, 2015.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 24326 |
| Status | Active |
| City | Thornton |
| Type | Mechanical |
- BuildZoom has not verified this license since July, 2015.
Verify this license's status for John Duesing HVAC at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2201833 |
| Status | Inactive |
| City | Westminster |
| Type | General Contractor |
- According to the City of Westminster, Colorado, 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 John Duesing HVAC at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LCC2015061036 |
| Status | Inactive |
| City | Thornton |
| Type | Class D Mechanical |
- According to the Thornton City Development Contractor License, 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 John Duesing HVAC at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
Insured
| Insurer | Colony Insurance |
85
Permits
- Building permit records show that John Duesing HVAC has worked on 85 permitted projects.
John Duesing HVAC Employees
JD
John B Duesing
Owner
JD
John Brian Duesing
JD
John Duesing
Owner
Install new parts for Furnace and HVAC that our house didn't have. Did it fast and at a cost surprising reasonable. Great Father and Son team!