Updated: Jul 07, 2026
Location and Projects
Address
3614 SECURITY ST RICHARDSON, TX 75042, Garland, TX, 75042
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H&g Systems Inc (mech) HVAC/Mechanical Contractor
H&g Systems Inc (mech), 3614 Security St, Garland, TX (Employees: Fred Krempl, Grant Yaney, and Kirk Fitzgerald) holds a Mechanical license and 26 other licenses according to the Denton license board.
Their BuildZoom score of 100 ranks in the top 13% of 222,249 Texas licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring H&g Systems Inc (mech), we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
H&g Systems Inc (mech) Contact Information
Phone Number: (214) 341-5486
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Address: 3614 SECURITY ST RICHARDSON, TX 75042, Garland, TX 75042
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H&g Systems Inc (mech) Garland
Quality
100
87th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
H&g Systems Inc (mech) has a BuildZoom score of 100, which places them above 87% of 222,249 contractors in Texas.
Activity
|
1 project
|
2025 |
|
4 projects
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that H&g Systems Inc (mech) 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
|
4 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that H&g Systems Inc (mech) mostly works on
mechanical project
projects.
Pricing
|
1 project
|
$500k-$1mil |
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.
Building Permits by H&g Systems Inc (mech)
This is a sample of this contractor's permits. Click here to access their complete permit history.
4001-install new hvac
Valuation:
$624,000
Permit #:
2411133103
Status:
issued
Fee:
N/A
Permit Type:
(b) alteration
Building Type:
Office building
No Description Available
Valuation:
N/A
Permit #:
PM25-01327
Status:
expired
Fee:
$93
Permit Type:
General
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PM25-01636
Status:
expired
Fee:
$77
Permit Type:
General
Building Type:
N/A
Addition chillers
Valuation:
N/A
Permit #:
24-00005732|000-000|MMEC
Status:
issued
Fee:
N/A
Permit Type:
Misc building com...
Building Type:
N/A
Replacing 7.5 ton hvac unit
Valuation:
N/A
Permit #:
22-00002214|000-000|MMEC
Status:
issued
Fee:
N/A
Permit Type:
Misc building com...
Building Type:
N/A
Replacement of a 20-75 ton packaged rooftop unit
Valuation:
N/A
Permit #:
M2110-0107
Status:
final
Fee:
$52
Permit Type:
Office (business)
Building Type:
N/A
Replace chillers
Valuation:
N/A
Permit #:
M24-00076
Status:
complete
Fee:
$81
Permit Type:
Alter and addition
Building Type:
N/A
Hvac-fan coil unit
Valuation:
N/A
Permit #:
M2001-0116
Status:
final
Fee:
$52
Permit Type:
Hotel/motel
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PM24-08439
Status:
final
Fee:
$117
Permit Type:
General
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PP24-15962
Status:
final
Fee:
$143
Permit Type:
Backflow
Building Type:
N/A
6 ton remote terminal unit replacement
Valuation:
N/A
Permit #:
2023 077452 000 00 MP
Status:
final
Fee:
N/A
Permit Type:
Stand alone permit
Building Type:
N/A
Replace (2) existing water cooled chillers with (4) new water cooled chillers
Valuation:
$195,000
Permit #:
1604206012
Status:
complete
Fee:
N/A
Permit Type:
(b) alteration
Building Type:
Multi-family dwel...
Asmb
Valuation:
$3,999,175
Permit #:
P0120100143
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(2) 250 ton chillers
Valuation:
N/A
Permit #:
16-00006441|000-000|MMEC
Status:
issued
Fee:
N/A
Permit Type:
Misc building com...
Building Type:
N/A
Replace chiller circuits with new circuits to new chillers new fuse disconnects & fuses
Valuation:
$29,000
Permit #:
1604206013
Status:
complete
Fee:
N/A
Permit Type:
(b) alteration
Building Type:
Multi-family dwel...
Replacement of 9) roof top units
Valuation:
N/A
Permit #:
M2006-0030
Status:
issued
Fee:
$52
Permit Type:
Church/religious
Building Type:
N/A
Plumbing
Valuation:
N/A
Permit #:
15-00002012|000-000|VOPL
Status:
issued
Fee:
N/A
Permit Type:
Addn/remodel chur...
Building Type:
N/A
Hvac
Valuation:
N/A
Permit #:
15-00002012|000-000|VOME
Status:
issued
Fee:
N/A
Permit Type:
Addn/remodel chur...
Building Type:
N/A
Replace dehumidification units
Valuation:
N/A
Permit #:
M15-0110
Status:
final
Fee:
$50
Permit Type:
Repair/replacement
Building Type:
N/A
No Description Available
Valuation:
$124,000
Permit #:
96-12971/000 000 ME1 00
Status:
CLOSED
Fee:
N/A
Permit Type:
Mechanical commer...
Building Type:
N/A
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BZ Score
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Avg Project
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BZ Score
$19K
Avg Project
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BZ Score
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Avg Project
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Projects
H&g Systems Inc (mech) Reviews
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Verified License
BuildZoom confirmed this contractor's license
H&g Systems Inc (mech) License info
License Not Verified
| License # | LA002752C |
| Status | Active |
| County | Denton |
| Type | Mechanical |
- When BuildZoom last verified this license, it had an expiration date of May, 2023. Check the current license status of H&g Systems Inc (mech) with the Denton County
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| County | Denton |
- When BuildZoom last verified this license, it had an expiration date of May, 2023. Check the current license status of H&g Systems Inc (mech) with the Denton County
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | R20-0745 |
| Status | Active |
| City | Frisco |
| Type | Building |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for H&g Systems Inc (mech) at the The City of Frisco, TX.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC9026 |
| Status | Active |
| City | Plano |
| Type | Plumbing |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for H&g Systems Inc (mech) at the City of Plano, Texas.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC8429 |
| Status | Active |
| City | Plano |
| Type | Mechanical/Hvac |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for H&g Systems Inc (mech) at the City of Plano, Texas.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | Denton |
- According to the Denton County, 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 # | AEC-10599 |
| Status | Inactive |
| Town | Flower Mound |
| Type | Contractors |
- 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 H&g Systems Inc (mech) at 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-10600 |
| Status | Inactive |
| Town | Flower Mound |
| Type | Contractors |
- 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 H&g Systems Inc (mech) 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 | Dickinson |
| Type | Mechanical Contractor |
- According to the City of Dickinson, 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 | Dickinson |
| Type | Electrical Contractor |
- According to the City of Dickinson, 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 # | PM13308 |
| Status | Inactive |
| City | San Antonio |
- According to the City of San Antonio, TX Licensed Contractors, 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 H&g Systems Inc (mech) at the City of San Antonio, TX Licensed Contractors.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | HAC6582 |
| Status | Inactive |
| City | San Antonio |
- According to the City of San Antonio, TX Licensed Contractors, 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 H&g Systems Inc (mech) at the City of San Antonio, TX Licensed Contractors.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Dallas |
| Type | Plumbing (Pl) |
- 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
| 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
| Status | Inactive |
| City | Dallas |
| Type | Plumbing (Pl) |
- 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
| 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 # | TACLA002752C |
| 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 H&g Systems Inc (mech) at the The City of Keller, TX.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | PM13308 |
| Status | Inactive |
| City | San Antonio |
| Type | Pm Plumber |
- According to the City of San Antonio, TX Licensed Contractors, 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 H&g Systems Inc (mech) at the City of San Antonio, TX Licensed Contractors.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 4955 |
| Status | Inactive |
| City | Plano |
| Type | Hvac Contractor |
- 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 H&g Systems Inc (mech) at the City of Plano, Texas.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 3451 |
| Status | Inactive |
| City | Plano |
| Type | Elec Contractor |
- 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 H&g Systems Inc (mech) at the City of Plano, Texas.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 16640 |
| Status | Inactive |
| City | Plano |
| Type | Plumbing Contractor |
- 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 H&g Systems Inc (mech) at the City of Plano, Texas.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1208 |
| Status | Inactive |
| City | Plano |
| Type | Plumbing Contractor |
- 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 H&g Systems Inc (mech) at the City of Plano, Texas.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | HAC6582 |
| Status | Inactive |
| City | San Antonio |
| Type | Hac Heating Air State Mechanical |
- According to the City of San Antonio, TX Licensed Contractors, 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 H&g Systems Inc (mech) at the City of San Antonio, TX Licensed Contractors.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | P00610 |
| 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 H&g Systems Inc (mech) at the City of Irving Inspection Department.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | M00146 |
| 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 H&g Systems Inc (mech) at the City of Irving Inspection Department.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | E00425 |
| 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 H&g Systems Inc (mech) at the City of Irving Inspection Department.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | B02250 |
| 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 H&g Systems Inc (mech) at the City of Irving Inspection Department.
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
Insured
| Insurer | Tdlr |
34
Permits
- Building permit records show that H&g Systems Inc (mech) has worked on 34 permitted projects.
H&g Systems Inc (mech) Employees
FK
Fred Krempl
GY
Grant Yaney
Applicant
KF
Kirk Fitzgerald
KF
Kirk S Fitzgerald
None
NN
None None
None
WM
William H May
None