Updated: Apr 28, 2026
Location and Projects
Address
11757 W KEN CARYL AVE #F-123, Littleton, CO, 80127
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Duffey's Heating & A/C LLC
Their BuildZoom score of 0 does not rank in the top 50% of Colorado contractors.
If you are thinking of hiring Duffey's Heating & A/C LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Duffey's Heating & A/C LLC Contact Information
Phone Number: (303) 972-0263
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Address: 11757 W KEN CARYL AVE #F-123, LITTLETON, CO 80127
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Building Permits by Duffey's Heating & A/C LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Furnace air conditioning and water heater replacement air conditioner (ac) water heater (whr) furnace (fr)
Valuation:
$11,387
Permit #:
18126057 00000MP
Status:
complete
Fee:
N/A
Permit Type:
Other
Building Type:
Residential
No Description Available
Valuation:
N/A
Permit #:
21134917 00000MP
Status:
issued
Fee:
N/A
Permit Type:
New construction
Building Type:
N/A
Replacement furnace air conditioning and ductwork as needed
Valuation:
$11,500
Permit #:
2017-MECH-0008002
Status:
final
Fee:
$115
Permit Type:
N/A
Building Type:
Single family res...
Replace furnace air conditioning water heater
Valuation:
$9,967
Permit #:
18131052 00000MP
Status:
complete
Fee:
N/A
Permit Type:
Other
Building Type:
Residential
Air conditioning install air conditioner (ac)
Valuation:
$4,000
Permit #:
18115128 00000MP
Status:
complete
Fee:
N/A
Permit Type:
Other
Building Type:
Residential
No Description Available
Valuation:
N/A
Permit #:
20128354 00000MP
Status:
issued
Fee:
N/A
Permit Type:
Other
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
20127365 00000MP
Status:
issued
Fee:
N/A
Permit Type:
Other
Building Type:
N/A
Ductwork duct work (dw)
Valuation:
N/A
Permit #:
18111494 00000MP
Status:
complete
Fee:
N/A
Permit Type:
Other
Building Type:
Residential
No Description Available
Valuation:
N/A
Permit #:
19129616 00000MP
Status:
issued
Fee:
N/A
Permit Type:
Other
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
18115128 00000MP
Status:
complete
Fee:
N/A
Permit Type:
Other
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
18111494 00000MP
Status:
complete
Fee:
N/A
Permit Type:
Other
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
18131052 00000MP
Status:
complete
Fee:
N/A
Permit Type:
Other
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
18126057 00000MP
Status:
complete
Fee:
N/A
Permit Type:
Other
Building Type:
N/A
Like for like furnace replacement
Valuation:
$2,580
Permit #:
18-0627
Status:
final
Fee:
$107
Permit Type:
N/A
Building Type:
N/A
Basement finish bedroom bathroom family room game room wet bar 1200 sf
Valuation:
$34,320
Permit #:
B16-0363
Status:
UNDER REVIEW
Fee:
$1,609
Permit Type:
Single family det
Building Type:
N/A
Basement finish 1200 sq ft; bathroom exercise room wet bar stor
Valuation:
$34,320
Permit #:
B16-1023
Status:
final
Fee:
$1,635
Permit Type:
Miscellaneous
Building Type:
N/A
Basement finish 605 sq ft - 1 bedroom 1 bathrm storage & laundry
Valuation:
N/A
Permit #:
B16-0390
Status:
final
Fee:
N/A
Permit Type:
Single family det
Building Type:
N/A
Replace furnace 60-80% efficiency
Valuation:
$2,400
Permit #:
WEB15-0155
Status:
final
Fee:
$132
Permit Type:
Single family att...
Building Type:
N/A
Replace furnace 60-80% eff & air conditioning 3-ton w/elec hook-up
Valuation:
$6,126
Permit #:
WEB16-0422
Status:
final
Fee:
$257
Permit Type:
Single family att...
Building Type:
N/A
Basement finish; 1 bedrm;1 bth; grtrm; 2 strg 820 sq ft
Valuation:
$23,452
Permit #:
B15-0030
Status:
final
Fee:
$1,208
Permit Type:
Miscellaneous
Building Type:
N/A
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Duffey's Heating & A/C LLC Reviews
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Duffey's Heating & A/C LLC License info
License Not Verified
| License # | 7M-1008 |
| Status | Active |
| City | Arvada |
| Type | Bid Contractor, Mechanical |
- When BuildZoom last verified this license, it had an expiration date of August, 2015. Check the current license status of Duffey's Heating & A/C LLC with the The City of Arvada, Colorado
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Denver |
| Type | H & V B |
- According to the City and County of Denver Community Planning and Development, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Denver |
| Type | H & V B |
- According to the City and County of Denver Community Planning and Development, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | D11203 |
| Status | Inactive |
| City | Littleton |
| Type | Class D |
- According to the The City of Littleton, CO, 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 Duffey's Heating & A/C LLC at the The City of Littleton, CO.
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 Duffey's Heating & A/C LLC, click “This is My Business” to update your information.
84
Permits
- Building permit records show that Duffey's Heating & A/C LLC has worked on 84 permitted projects.
Duffey's Heating & A/C LLC Employees
DA
Duffey's Heating & Ac
Owner
SD
Shawn Duffey