Updated: Jul 10, 2026
Location and Projects
Address
2550 TRINITY MILLS RD SUITE 130 CARROLLTON, TX 75006, Carrollton, TX, 75006
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GMR Heating & Air
GMR Heating & Air, 2550 Trinity Mills Rd, Carrollton, TX (Owned by: Lawrence Norton G) holds a Mechanical license and 16 other licenses according to the Denton license board.
Their BuildZoom score of 99 ranks in the top 15% of 222,249 Texas licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring GMR Heating & Air, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
GMR Heating & Air Contact Information
Phone Number: (972) 900-7027
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Address: 2550 TRINITY MILLS RD SUITE 130 CARROLLTON, TX 75006, Carrollton, TX 75006
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GMR Heating & Air Carrollton
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
GMR Heating & Air has a BuildZoom score of 99, which places them above 85% of 222,249 contractors in Texas.
Activity
|
1 project
|
2025 |
|
3 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that GMR Heating & Air has worked on at least
6.0 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
|
6 projects
|
HVAC projects |
|
5 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that GMR Heating & Air mostly works on
hvac project
and mechanical project
projects.
Pricing
|
2 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
1 project
|
$100k-$250k |
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.
Furnish and install new 24kw generator. furnish and install new gas line from meter to generator. furnish and install new electrical line from meter/electrical panel to generator
Valuation:
N/A
Permit #:
ELER24-07-032144
Status:
complete
Fee:
$130
Permit Type:
N/A
Building Type:
N/A
4002-replace or modify existing hvac
Valuation:
$160,000
Permit #:
2501246018
Status:
issued
Fee:
N/A
Permit Type:
(b) alteration
Building Type:
Public or private...
Furnish and install new 24kw generator. furnish and install new gas line from meter to generator. furnish and install new electrical line from meter/electrical panel to generator
Valuation:
N/A
Permit #:
ELER24-07-032144
Status:
complete
Fee:
$130
Permit Type:
N/A
Building Type:
N/A
4002-replace or modify existing hvac
Valuation:
$40,000
Permit #:
2411056013
Status:
issued
Fee:
N/A
Permit Type:
(b) alteration
Building Type:
Public or private...
Replace two 50 ton package units
Valuation:
$140,000
Permit #:
2010125001
Status:
complete
Fee:
N/A
Permit Type:
(b) alteration
Building Type:
Public or private...
Replace 100 000 btu gas duct heater
Valuation:
$10,000
Permit #:
2401046016
Status:
issued
Fee:
N/A
Permit Type:
(b) alteration
Building Type:
Public or private...
Install new ductless hvac
Valuation:
$9,800
Permit #:
2203311155
Status:
expired
Fee:
N/A
Permit Type:
(b) alteration
Building Type:
Public or private...
Replacing outdoor heat pump only
Valuation:
N/A
Permit #:
2108-0274
Status:
final
Fee:
$50
Permit Type:
HVAC
Building Type:
N/A
Replace hvac system duct work condenser air handler
Valuation:
$12,000
Permit #:
2110-0246
Status:
final
Fee:
$50
Permit Type:
Residential
Building Type:
N/A
3003-upgrade existing electrical service
Valuation:
$1,000
Permit #:
2106023077
Status:
issued
Fee:
N/A
Permit Type:
(b) alteration
Building Type:
Single family dwe...
Replace 50 ton remote terminal unit and ductwork(30)
Valuation:
$89,000
Permit #:
1911071157
Status:
complete
Fee:
N/A
Permit Type:
(b) alteration
Building Type:
Public or private...
Replace air handler and outdoor condenser
Valuation:
N/A
Permit #:
2009-0653
Status:
final
Fee:
$50
Permit Type:
HVAC
Building Type:
N/A
(m) mechanical commercial - (m) mechanical commercial
2020-11-12
No Description Available
Valuation:
$6,000
Permit #:
2020-00002263
Status:
applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
**12 heat pump systems** hvac upgrades permit # 21-00373-bldc no permit fee city of waco project
Valuation:
N/A
Permit #:
22-00179-MECH
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing existing condenser coil and gas furnace
Valuation:
N/A
Permit #:
M1803-0140
Status:
final
Fee:
$52
Permit Type:
Single family dwe...
Building Type:
N/A
Replace 2 water source heat pumps
Valuation:
N/A
Permit #:
M16-1221
Status:
complete
Fee:
$105
Permit Type:
Alter and addition
Building Type:
N/A
Replace rtu#6
Valuation:
$13,000
Permit #:
2211232004
Status:
complete
Fee:
N/A
Permit Type:
(b) alteration
Building Type:
Public or private...
Gmrheating and air llc
Valuation:
N/A
Permit #:
PM22-11664
Status:
expired
Fee:
$71
Permit Type:
General
Building Type:
N/A
Replace existing 200 amp 120/208 service panel
Valuation:
$2,800
Permit #:
2108063030
Status:
issued
Fee:
N/A
Permit Type:
(b) alteration
Building Type:
Restaurant withou...
New hvac system
Valuation:
N/A
Permit #:
M19-0302
Status:
issued
Fee:
$100
Permit Type:
Repair/replacement
Building Type:
N/A
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GMR Heating & Air Reviews
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Verified License
BuildZoom confirmed this contractor's license
GMR Heating & Air License info
License Not Verified
| License # | LB022754C |
| Status | Active |
| County | Denton |
| Type | Mechanical |
- When BuildZoom last verified this license, it had an expiration date of February, 2022. Check the current license status of GMR Heating & Air with the Denton County
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC704 |
| Status | Active |
| City | Corinth |
| Type | Mechanical |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for GMR Heating & Air at the City of Corinth.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC1613 |
| Status | Active |
| City | Corinth |
| Type | Electrician |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for GMR Heating & Air at the City of Corinth.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | TACLA00022754E |
| Status | Active |
| State | Texas |
| Type | Air Conditioning/Refrigeration Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for GMR Heating & Air at the Texas Department of Licensing and Regulation.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | TACLB00022754R |
| Status | Active |
| State | Texas |
| Type | Air Conditioning/Refrigeration Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for GMR Heating & Air at the Texas Department of Licensing and Regulation.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | MEC8209893 |
| Status | Active |
| County | Denton |
| Type | Heat / Air Mechanical |
- When BuildZoom last verified this license, it had an expiration date of January, 2021. Check the current license status of GMR Heating & Air with the Denton County
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 6914 |
| Status | Active |
| Town | Flower Mound |
| Type | Lic Cont (Bi), Mechanical |
- When BuildZoom last verified this license, it had an expiration date of November, 2010. Check the current license status of GMR Heating & Air with the Flower Mound Department of Building Inspections
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC-6914 |
| Status | Inactive |
| Town | Flower Mound |
| Type | Mechanical |
- According to the Flower Mound Department of Building Inspections, 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 GMR Heating & Air at the Flower Mound Department of Building Inspections.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Dallas |
| Type | Mechanical (Me) |
- According to the City of Dallas, 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 # | 36031 |
| Status | Inactive |
| State | Texas |
| Type | Electrician |
- According to the Texas Department of Licensing and Regulation, 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 GMR Heating & Air at the Texas Department of Licensing and Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC9116 |
| Status | Inactive |
| City | Plano |
| Type | Mechanical/Hvac |
- According to the City of Plano, Texas, 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 GMR Heating & Air at the City of Plano, Texas.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Dallas |
| Type | Electrical (El) |
- According to the City of Dallas, 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 # | 12577 |
| Status | Inactive |
| City | Keller |
| Type | Contractor |
- According to the The City of Keller, TX, 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 GMR Heating & Air at the The City of Keller, TX.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| Town | Flower Mound |
| Type | Licensed Contractor |
- According to the Flower Mound Department of Building Inspections, 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 | Dallas |
| Type | Mechanical (Me) |
- According to the City of Dallas, 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 # | R09-0789 |
| Status | Inactive |
| City | Frisco |
| Type | Building |
- According to the The City of Frisco, TX, 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 GMR Heating & Air at the The City of Frisco, TX.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | M-1024549 |
| Status | Inactive |
| City | Irving |
- According to the City of Irving Inspection Department, 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 GMR Heating & Air at the City of Irving Inspection Department.
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
41
Permits
- Building permit records show that GMR Heating & Air has worked on 41 permitted projects.
GMR Heating & Air Employees
AE
Aguilar, Edgar
Master
GL
Gmr Heating & Air Llc
Business Name
LN
Lawrence Norton
Owner
LG
Lawrence Norton G
Owner
NJ
Norton, Lawrence Jr
Owner