Updated: Aug 12, 2026
Location and Projects
Address
1230 Pierce Ave, Saint Louis, MO, 63110
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National Heating & Air Conditioning Inc
National Heating & Air Conditioning Inc, 1230 Pierce Ave, St. Louis, MO (Owned by: Schumann Robert G. Jr.) holds a Electrical Contractor license and 7 other licenses according to the St. Charles County license board.
Their BuildZoom score of 98 ranks in the top 16% of 23,328 Missouri licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring National Heating & Air Conditioning Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
National Heating & Air Conditioning Inc Services
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National Heating & Air Conditioning Inc Contact Information
Phone Number: (314) 757-2309
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Address: 1230 Pierce Ave, St. Louis, MO 63110
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National Heating & Air Conditioning Inc St. Louis
Quality
98
84th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
National Heating & Air Conditioning Inc has a BuildZoom score of 98, which places them above 84% of 23,328 contractors in Missouri.
Activity
|
3 projects
|
2025 |
|
6 projects
|
2023 |
Our building permit records indicate that National Heating & Air Conditioning Inc has worked on at least
9.0 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 |
Analyzing permits over the last 4 years shows that National Heating & Air Conditioning Inc mostly works on
commercial renovation
projects.
Pricing
|
1 project
|
< $5k |
|
2 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
|
3 projects
|
$50k-$100k |
|
1 project
|
$100k-$250k |
The typical size of their permits is approximately $30,000. 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.
Building Permits by National Heating & Air Conditioning Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Wusm blue fish pediatrics - install 13 thermostats for new vav units
Valuation:
$5,500
Permit #:
25ELE-00208
Status:
complete
Fee:
$194
Permit Type:
New construction
Building Type:
N/A
Tenant finish of existing spaces (1st & 2nd floor) (wumc opthamology & otolaryngology)
Valuation:
$425,000
Permit #:
21ELE-17411
Status:
complete
Fee:
$1,425
Permit Type:
Alteration
Building Type:
N/A
Premier pediatrics - interior finish building permit 23bld-01952 reviewd by st louis county
Valuation:
$65,000
Permit #:
23ELE-07217
Status:
complete
Fee:
$545
Permit Type:
Interior finish
Building Type:
N/A
St nicholas family center - elevator installation in existing shaft
Valuation:
$6,500
Permit #:
23ELE-03459
Status:
complete
Fee:
$168
Permit Type:
Miscellaneous work
Building Type:
N/A
Single family dwelling
Valuation:
$305,000
Permit #:
20BLD-03362
Status:
complete
Fee:
$1,429
Permit Type:
New construction
Building Type:
N/A
(wusm) interior finish office area
Valuation:
$122,000
Permit #:
23ELE-10497
Status:
complete
Fee:
$511
Permit Type:
Alteration
Building Type:
N/A
Interior finish for vascular medical - 21mec-01581
Valuation:
$107,000
Permit #:
21ELE-04682
Status:
complete
Fee:
$354
Permit Type:
Interior finish
Building Type:
N/A
Office alteration-wash u and stl childrens hospital-opthalmology clinic
Valuation:
$85
Permit #:
22ELE-13056
Status:
complete
Fee:
$259
Permit Type:
Alteration
Building Type:
N/A
Phase 1 classroom renovation - fontbonne univeristy west - 18bld-07885
Valuation:
$226,000
Permit #:
19ELE-02015
Status:
complete
Fee:
$588
Permit Type:
Alteration
Building Type:
N/A
***this scope of work requires plan review. please submit 4 sets of plans along with a paper application to our main office in clayton - thank you***interior finish for medical office
Valuation:
$96,100
Permit #:
23ELE-10242
Status:
canceled
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Electrical work for new chiller - orthopedic center - 21mec-06512
Valuation:
$40,500
Permit #:
21ELE-09875
Status:
complete
Fee:
$209
Permit Type:
Alteration
Building Type:
N/A
Additional scope to phase 1 - 19ele-02014 - kol rinah
Valuation:
$212,300
Permit #:
19ELE-12157
Status:
complete
Fee:
$772
Permit Type:
Alteration
Building Type:
N/A
Highland elementary replace existing lighting fixtures with new led
Valuation:
$28,500
Permit #:
23ELE-10241
Status:
complete
Fee:
$276
Permit Type:
Alteration
Building Type:
N/A
Phase 1 - interior renovation - addition - kol rinah
Valuation:
$145,300
Permit #:
19ELE-02014
Status:
complete
Fee:
$525
Permit Type:
Alteration
Building Type:
N/A
Office alteration - (wusm)
Valuation:
$8,500
Permit #:
22ELE-07868
Status:
complete
Fee:
$286
Permit Type:
Alteration
Building Type:
N/A
Electrical finish--2 offices (washington university)
Valuation:
$5,500
Permit #:
21ELE-06335
Status:
complete
Fee:
$227
Permit Type:
Alteration
Building Type:
N/A
Addition coooler on 4th floor mcdonnel hall
Valuation:
$4,500
Permit #:
21ELE-04683
Status:
complete
Fee:
$107
Permit Type:
Alteration
Building Type:
N/A
Tenant finish (see 21bld-02286)
Valuation:
N/A
Permit #:
21ELE-08029
Status:
complete
Fee:
$370
Permit Type:
Alteration
Building Type:
N/A
Wire fan habif health and wellness washington university
Valuation:
$3,500
Permit #:
20ELE-13392
Status:
issued
Fee:
$133
Permit Type:
New construction
Building Type:
N/A
Electric for cold room mcdonnell hall 20mec-09023
Valuation:
$6,600
Permit #:
20ELE-13390
Status:
complete
Fee:
$149
Permit Type:
Alteration
Building Type:
N/A
Similar Contractors See more
119
BZ Score
$8K
Avg Project
-
Projects
122
BZ Score
$4.5K
Avg Project
-
Projects
License #
Saint Louis, MO
119
BZ Score
$7K
Avg Project
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Projects
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Verified License
BuildZoom confirmed this contractor's license
National Heating & Air Conditioning Inc License info
Verified License
| Status | Active |
| County | St. Charles County |
| Type | Electrical Contractor |
- BuildZoom verified this license was active as of August 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | E1520 |
| Status | Active |
| County | St Louis County |
| Type | Electrical |
- BuildZoom verified this license was active as of August 2026.
Verify this license's status for National Heating & Air Conditioning Inc 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
| Status | Active |
| County | St Louis County |
| Type | Electrical Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of National Heating & Air Conditioning Inc with 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
| Status | Active |
| City | Town And Country |
- When BuildZoom last verified this license, it had an expiration date of December, 2024. Check the current license status of National Heating & Air Conditioning Inc with the City of Town and Country
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | S6739 |
| Status | Inactive |
| County | St Louis County |
| Type | Structural |
- According to the Saint Louis County Department of Public Works, 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 National Heating & Air Conditioning Inc at the Saint Louis County Department of Public Works.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | St Louis County |
| Type | Electrical Contractor |
- According to the Saint Louis County Department of Public Works, 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 |
| County | St Louis County |
| Type | Electrical Contractor |
- According to the Saint Louis County Department of Public Works, 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 |
| County | St Louis County |
| Type | Electrical Contractor |
- According to the Saint Louis County Department of Public Works, 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.
98
BuildZoom Score
129
Permits
- Building permit records show that National Heating & Air Conditioning Inc has worked on 129 permitted projects.
National Heating & Air Conditioning Inc Employees
BJ
Bob Schumann Jr.
Licensee
JC
James Mc Cune
President
MJ
Mccune James
Owner
RJ
Robert G Schumann Jr
RS
Robert Schumann
Owner
RJ
Robert Schumann Jr
Licensee
SJ
Schumann Robert G. Jr.
Owner