Updated: Jun 14, 2026
Location and Projects
Address
12103 Oakcrest Estates Court, Saint Louis, MO, 63128
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Reliable Air HVAC/Mechanical Contractor
Reliable Air LLC, 12103 Oakcrest Estates Ct, St. Louis, MO (Owned by: Nam Nguyen) holds a Hvac Service Ins license and 3 other licenses according to the St Louis County license board.
Their BuildZoom score of 107 ranks in the top 6% of 23,328 Missouri licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Reliable Air LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Reliable Air LLC Contact Information
Phone Number: (314) 583-4483
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Address: 12103 Oakcrest Estates Court, St. Louis, MO 63128
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Reliable Air LLC St. Louis
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Reliable Air LLC has a BuildZoom score of 107, which places them above 94% of 23,328 contractors in Missouri.
Activity
|
13 projects
|
2025 |
|
19 projects
|
2024 |
|
49 projects
|
2023 |
Our building permit records indicate that Reliable Air LLC has worked on at least
81.0 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 |
|
81 projects
|
HVAC projects |
|
76 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Reliable Air LLC mostly works on
hvac project
and mechanical project
projects.
Pricing
|
75 projects
|
< $5k |
|
2 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
The typical size of their permits is approximately $4,500. 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.
St louis county intergrated building permit is required for gfci recetpacles in kitchen and bathroom installed with out permit new receptacle installed throughtout new wiring ran in basement new electrical panel hvac system exterior gfcis and fire stop
Valuation:
$1,000
Permit #:
25BLD-04230
Status:
complete
Fee:
$156
Permit Type:
Occupancy
Building Type:
N/A
Interior remodel (bathroom @ main level addition partitions in the existing finished attic to create two bedrooms/one bathroom/family room)
Valuation:
$45,000
Permit #:
25BLD-01459
Status:
issued
Fee:
$346
Permit Type:
Repair
Building Type:
N/A
Install electric furnace with 5 kw heat strip install 2.0 ton air conditioning repair ductwork
Valuation:
$4,995
Permit #:
25MEC-02479
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Install 80% 80000 btu gas furnace install 2.5 ton a-coil install 2.5 ton air conditioning
Valuation:
$4,995
Permit #:
25MEC-00590
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Install 80% 75 000 btu gas furnace install 2.5 ton a-coil install 2.5 ton air conditioning
Valuation:
$4,500
Permit #:
25MEC-02216
Status:
complete
Fee:
$126
Permit Type:
Replacement
Building Type:
N/A
Install 80% 100000 btu gas furnace install 3 ton a-coil install 3 ton air conditioning
Valuation:
$4,995
Permit #:
25MEC-00589
Status:
issued
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Install 80% 60000 btu furnace install 2 ton a-coil install 2 ton air conditioning
Valuation:
$4,995
Permit #:
25MEC-02738
Status:
filed
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Install 80% 60000 btu furnace install 2 ton a-coil install 2 ton air conditioning
Valuation:
$4,995
Permit #:
25MEC-02477
Status:
issued
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Install 80% 60000 btu furnace install 2 ton a-coil install 2 ton air conditioning
Valuation:
$4,995
Permit #:
25MEC-01192
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Install electric heat with 5 kw heat strip install 1.5 ton air conditioning
Valuation:
$4,995
Permit #:
25MEC-01211
Status:
issued
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Install 80% 80000 btu gas furnace install 2.5 ton a-coil install 2.5 ton air conditioning
Valuation:
$4,000
Permit #:
23MEC-02120
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Install 80% 80000 btu furnace install 2.5 ton a-coil install 2.5 ton air conditioning
Valuation:
$4,500
Permit #:
23MEC-05212
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Install 80% 80000 btu furnace install 2.5 ton a-coil install 2.5 ton air conditioning
Valuation:
$4,995
Permit #:
24MEC-09047
Status:
issued
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Install 80% 80000 btu furnace install 2.5 ton a-coil install 2.5 ton air conditioning
Valuation:
$4,995
Permit #:
24MEC-08073
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Install 80% 80000 btu furnace install 2.5 ton a-coil install 2.5 ton air conditioning
Valuation:
$4,995
Permit #:
24MEC-03186
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Install 80% 80000 btu furnace install 2.5 ton a-coil install 2.5 ton air conditioning
Valuation:
$4,995
Permit #:
24MEC-01518
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Install 80% 80000 btu furnace install 2.5 ton a-coil install 2.5 ton air conditioning
Valuation:
$4,995
Permit #:
24MEC-01314
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Install 80% 80000 btu furnace install 3 ton a-coil install 3 ton air conditioning
Valuation:
$4,995
Permit #:
24MEC-10186
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Install 80% 80000 btu furnace install 2.5 ton a-coil install 2.5 ton air conditioning
Valuation:
$4,500
Permit #:
24MEC-07040
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Install 80% 80000 btu furnace install 3 ton a-coil install 3 ton air conditioning
Valuation:
$4,995
Permit #:
24MEC-03344
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
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119
BZ Score
$8K
Avg Project
-
Projects
122
BZ Score
$4.5K
Avg Project
-
Projects
License # P7241
Saint Louis, MO
119
BZ Score
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Avg Project
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Reliable Air LLC Reviews
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Verified License
BuildZoom confirmed this contractor's license
Reliable Air LLC License info
Verified License
| License # | X3299 |
| Status | Active |
| County | St Louis County |
| Type | Hvac Service Ins |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Reliable Air LLC at the Saint Louis County Department of Public Works.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | MEC8779389 |
| Status | Active |
| City | University City |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of Reliable Air LLC with the City of University City
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | MEC8779389 |
| Status | Active |
| City | University City |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of January, 2024. Check the current license status of Reliable Air LLC with the City of University City
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| County | St Louis County |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of Reliable Air LLC with the Saint Louis County Department of Public Works
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
241
Permits
- Building permit records show that Reliable Air LLC has worked on 241 permitted projects.
Reliable Air LLC Employees
NN
Nam H Nguyen
NN
Nam Nguyen
Owner