Updated: Jul 11, 2026
Location and Projects
Address
610 E 55TH AVE SUITE 500, Centennial, CO, 80112
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Lennox Nas HVAC/Mechanical Contractor
Lennox Nas, 610 E 55th Ave, Centennial, CO (Owned by: David Root) holds a Mechanical license and 31 other licenses according to the Boulder license board.
Their BuildZoom score of 109 ranks in the top 5% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Lennox Nas, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Lennox Nas Contact Information
Phone Number: (720) 469-4832
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Address: 610 E 55TH AVE SUITE 500, Centennial, CO 80112
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Lennox Nas Centennial
Quality
109
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Lennox Nas has a BuildZoom score of 109, which places them above 95% of 55,949 contractors in Colorado.
Activity
|
24 projects
|
2025 |
|
7 projects
|
2024 |
|
8 projects
|
2023 |
Our building permit records indicate that Lennox Nas has worked on at least
39.0 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
|
Commercial Renovations |
|
29 projects
|
Mechanical projects |
|
11 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Lennox Nas mostly works on
mechanical project
and hvac project
projects.
Pricing
|
1 project
|
< $5k |
|
6 projects
|
$5k-$20k |
|
6 projects
|
$20k-$50k |
|
7 projects
|
$50k-$100k |
|
8 projects
|
$100k-$250k |
|
1 project
|
$250k-$500k |
The typical size of their permits is approximately $50,172. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replacement of (2) rtu's like for like air conditioner : 2 total : 2 this equipment is a replacement of existing equipment. the equipment is the same weight. the replacement equipment is in the same location and not taller than the previous
Valuation:
$51,787
Permit #:
B2505285
Status:
complete
Fee:
$1,464
Permit Type:
N/A
Building Type:
N/A
Replace (1) like for like remote terminal unit and (2) make up air units
Valuation:
$133,870
Permit #:
25-0406
Status:
issued
Fee:
$2,858
Permit Type:
N/A
Building Type:
N/A
Buildingonline | ross stores | 5 remote terminal unit replacements
Valuation:
$127,408
Permit #:
1882434
Status:
issued
Fee:
$1,610
Permit Type:
Mechanical permit
Building Type:
N/A
Replacement of 5 mechanical rtu's like for like
Valuation:
$155,000
Permit #:
BP-25-01832
Status:
complete
Fee:
$4,518
Permit Type:
N/A
Building Type:
Commercial/indust...
Replace (2) rtu's - same weight size and location
Valuation:
$57,599
Permit #:
B2501399
Status:
complete
Fee:
$28,310
Permit Type:
N/A
Building Type:
N/A
Replace existing furnace with a new unit - will be hung from the ceiling as the previous furnace was. like for like replacement with no change to suspension system electrical or gas. installation manual is attached as plans
Valuation:
$4,500
Permit #:
B2202856
Status:
complete
Fee:
$170
Permit Type:
N/A
Building Type:
N/A
Remove and replace (3) 15 ton rtu's
Valuation:
$104,840
Permit #:
25NGN-00537
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Commercial remote terminal unit replacement
Valuation:
$75,000
Permit #:
25-0349
Status:
final
Fee:
$3,426
Permit Type:
N/A
Building Type:
N/A
Replace 16 like for like rtu's
Valuation:
$103,430
Permit #:
MECH25-00173
Status:
final
Fee:
$2,545
Permit Type:
Commercial
Building Type:
N/A
Replace 12 like for like rtu's
Valuation:
$89,000
Permit #:
MECH25-00172
Status:
final
Fee:
$2,289
Permit Type:
Commercial
Building Type:
N/A
Roof top replacement
Valuation:
$108,357
Permit #:
P70220
Status:
final
Fee:
$400
Permit Type:
437 (commercial a...
Building Type:
N/A
We are replacing a like for like 10-ton roof top package unit with gas heat. we are disconnecting the line voltage gas pipe and low voltage wires. we are using a crane to bring down the old unit from the roof and lifting the new unit to the roof. we are reconnecting the line voltage gas pipe and low voltage wires
Valuation:
$10,694
Permit #:
2021-MECH-0001123
Status:
final
Fee:
$107
Permit Type:
N/A
Building Type:
Commercial
Removing and replacing like for like split system
Valuation:
$39,030
Permit #:
25-0175
Status:
final
Fee:
$1,031
Permit Type:
N/A
Building Type:
N/A
(2) remote terminal unit replacement
Valuation:
$61,054
Permit #:
MECH25-00080
Status:
final
Fee:
$1,624
Permit Type:
Commercial
Building Type:
N/A
Buildingonline | advance auto parts (2) remote terminal unit replacement
Valuation:
$50,172
Permit #:
1849777
Status:
issued
Fee:
$614
Permit Type:
Mechanical permit
Building Type:
N/A
North face commmercial air conditioning replacement
Valuation:
$20,607
Permit #:
24-4702
Status:
final
Fee:
$1,118
Permit Type:
N/A
Building Type:
N/A
Lennox 5 ton remote terminal unit replacement at trader joe's same location footprint weight of previous unit. curb adaptor will addition 27 to height but unit still concealed behind larger refrigeration unit
Valuation:
$7,500
Permit #:
B2103341
Status:
complete
Fee:
$239
Permit Type:
N/A
Building Type:
N/A
Installation of a mini split 2 ton unit
Valuation:
$15,630
Permit #:
P77572
Status:
filed
Fee:
$250
Permit Type:
437 (commercial a...
Building Type:
N/A
We are replacing 3 package units. unit 2 is a 7.5 ton unit. unit 6 is a 10 ton unit. unit 7 is a 10 ton package unit. we disconnect the line voltage wires the gas pipe and low voltage control wire. we use a crane to remove the the old units and install new curb adapters and install the new units. we will replace the gas pipe from the shut off on the roof to the unit were it terminates... see more
Valuation:
$43,388
Permit #:
2020-MECH-0005704
Status:
final
Fee:
$372
Permit Type:
N/A
Building Type:
Commercial
Installing a 1.5-ton mini-split in a computer server room. we are installing a condenser on the roof and an air handler in the space that will mount on the wall. the condenser on the roof will send line voltage power to the air handler in the space. we will have a licensed electrician disconnect power from the old condenser and reattach it to the new condenser
Valuation:
$6,455
Permit #:
CEN-20-00408
Status:
filed
Fee:
$91
Permit Type:
N/A
Building Type:
N/A
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Avg Project
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Verified License
BuildZoom confirmed this contractor's license
Lennox Nas License info
Verified License
| License # | LIC-01005870 |
| Status | Active |
| City | Boulder |
| Type | Mechanical |
| Class | Class A All Mechanical Work |
| Date Issued | 05-26-2026 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Lennox Nas at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC13296 |
| Status | Active |
| City | Arvada |
| Type | Contractor |
| Date Issued | 03-10-2026 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Lennox Nas at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 0014511 |
| Status | Active |
| Pueblo | |
| Type | Unlimited |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Lennox Nas at the Pueblo regional Building Department.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CR24-0675 |
| Status | Active |
| Town | Castle Rock |
| Type | Mechanical |
| Date Issued | 10-22-2025 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Lennox Nas at the Castle Rock Town, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CL-005080-2024 |
| Status | Active |
| City | Centennial |
| Type | General |
| Class | HVAC |
| Date Issued | 05-14-2026 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Lennox Nas at the Centennial Community Development Contractor Licensing.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | LCC202400833 |
| Status | Active |
| City | Thornton |
| Type | Class D Mechanical Expires 2026 11 12 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Lennox Nas at the Thornton City Development Contractor License.
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 July 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Denver |
| Type | Hvac |
- BuildZoom verified this license was active as of July 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | H-3751(RR) |
| Status | Active |
| City | Fort Collins |
| Type | Sub Contractor |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Lennox Nas at the City of Fort Collins.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | MA100512 |
| Status | Active |
| County | Douglas County |
| Type | Mechanical A |
- BuildZoom verified this license was active as of October 2025.
Verify this license's status for Lennox Nas at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC3016 |
| Status | Active |
| Town | Parker |
| Type | Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Lennox Nas at the The Town of Parker, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | D11439 |
| Status | Active |
| City | Littleton |
| Type | Contractor |
| Date Issued | 01-13-2026 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Lennox Nas at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 3016 |
| Status | Active |
| Town | Parker |
| Type | Contractor, Mechanical |
- When BuildZoom last verified this license, it had an expiration date of October, 2016. Check the current license status of Lennox Nas with the The Town of Parker, Colorado
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | H-2113(RR) |
| Status | Active |
| Type | Sub Contractor |
- When BuildZoom last verified this license, it had an expiration date of October, 2016.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | A00267 |
| Status | Inactive |
| City | Littleton |
| Type | Class A |
- 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 Lennox Nas at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC10260 |
| Status | Inactive |
| City | Arvada |
| Type | Contractor |
- According to the The City of Arvada, 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 Lennox Nas at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LIC-01003441 |
| Status | Inactive |
| City | Boulder |
| Type | Mechanical |
| Class | Class A All Mechanical Work |
- According to the Boulder Licensing Board, 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 Lennox Nas at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CL-000520-2020 |
| Status | Inactive |
| City | Centennial |
| Type | General |
| Class | HVAC |
- According to the Centennial Community Development Contractor Licensing, 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 Lennox Nas at the Centennial Community Development Contractor Licensing.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CL-004487-2024 |
| Status | Inactive |
| City | Centennial |
| Type | General |
| Class | HVAC |
- According to the Centennial Community Development Contractor Licensing, 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 Lennox Nas at the Centennial Community Development Contractor Licensing.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CL-000444-2019 |
| Status | Inactive |
| City | Centennial |
| Type | General |
| Class | HVAC |
- According to the Centennial Community Development Contractor Licensing, 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 Lennox Nas at the Centennial Community Development Contractor Licensing.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | H-2113(RR) |
| Status | Inactive |
| City | Fort Collins |
| Type | Sub Contractor |
- According to the City of Fort Collins, 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 Lennox Nas at the City of Fort Collins.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | H-2113(C) |
| Status | Inactive |
| City | Fort Collins |
| Type | Sub Contractor |
- According to the City of Fort Collins, 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 Lennox Nas at the City of Fort Collins.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Aurora |
| Type | Mechanical Systems Contractor |
- According to the Aurora, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LCC202000660 |
| 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 Lennox Nas at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LIC-0008966-MECHA |
| Status | Inactive |
| City | Boulder |
| Type | Mechanical |
| Class | Class A All Mechanical Work |
- According to the Boulder Licensing Board, 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 Lennox Nas at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Aurora |
| Type | Mechanical Systems Contractor |
- According to the Aurora, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | XX-1821 |
| Status | Inactive |
| City | Fort Collins |
| Type | Other |
- According to the City of Fort Collins, 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 Lennox Nas at the City of Fort Collins.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Denver |
- 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 | Aurora |
| Type | Mechanical Systems Contractor |
- According to the Aurora, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 091231006 |
| 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 Lennox Nas at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC5864 |
| Status | Inactive |
| City | Arvada |
| Type | Contractor |
- According to the The City of Arvada, 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 Lennox Nas at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LCC2015058653 |
| 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 Lennox Nas at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
109
BuildZoom Score
Insured
| Insurer | Ace American, Indemnity Ins Co Fo North America |
Insured
| Workers Comp Provider | Indemnity |
138
Permits
- Building permit records show that Lennox Nas has worked on 138 permitted projects.
Lennox Nas Employees
AJ
Adam Jordan
Owner
CA
Charles Albanese
Owner
DR
David Root
Owner
ER
Edward Rocha
Owner
JG
Joe Gennari
KJ
Kenneth Adam Jordan
Owner
LI
Lennox International
Owner
LN
Lennox Nas
LA
Lennox Nas A
Owner
LD
Lennox Nas D11
Owner
LD
Lennox National Account Services D11
Owner
RM
Robert Melvin