Updated: Aug 10, 2026
Location and Projects
Address
7308 Coronado Ave, Saint Louis, MO, 63116
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Ambient Air Heating and Cooling
Ambient Air Heating and Cooling, 7308 Coronado Ave, Saint Louis, MO (Owned by: Shawn Murnan) holds a Mechanical Contractor license and 5 other licenses according to the University City license board.
Their BuildZoom score of 105 ranks in the top 8% of 23,328 Missouri licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Ambient Air Heating and Cooling, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Ambient Air Heating and Cooling Services
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Ambient Air Heating and Cooling Contact Information
Phone Number: (314) 255-8589
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Address: 7308 Coronado Ave, Saint Louis, MO 63116
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Ambient Air Heating and Cooling Saint Louis
Quality
105
92nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Ambient Air Heating and Cooling has a BuildZoom score of 105, which places them above 92% of 23,328 contractors in Missouri.
Activity
|
10 projects
|
2025 |
|
5 projects
|
2024 |
|
16 projects
|
2023 |
Our building permit records indicate that Ambient Air Heating and Cooling has worked on at least
31.0 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
|
Home Additions |
|
30 projects
|
HVAC projects |
|
18 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Ambient Air Heating and Cooling mostly works on
hvac project
and mechanical project
projects.
Pricing
|
7 projects
|
< $5k |
|
6 projects
|
$5k-$20k |
|
7 projects
|
$20k-$50k |
|
4 projects
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
|
1 project
|
$250k-$500k |
The typical size of their permits is approximately $13,000. 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 Ambient Air Heating and Cooling
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replacing residential split system (air handler located in attic crawl space) *removing 1 supply vent labeled kitchen #108 adding 3 supply vents: bathroom #114 bathroom #115 and bedroom #105 *vent 2 bathroom exhaust fans using existing roof terminations
Valuation:
$13,000
Permit #:
23MEC-04900
Status:
complete
Fee:
$193
Permit Type:
Replacement
Building Type:
N/A
16x18 addition four season room
Valuation:
$495,000
Permit #:
24BLD-08128
Status:
issued
Fee:
$2,017
Permit Type:
Addition
Building Type:
N/A
We are the mec to the: 23bld-05719 dollar tree scope: new distribution ductwork connecting to 7 existing rooftop units. new exhaust fan for restrooms (1 serving 2 bathrooms) 2 air curtains to be installed
Valuation:
$32,840
Permit #:
23MEC-10312
Status:
complete
Fee:
$330
Permit Type:
Alteration
Building Type:
N/A
2 story addition with new garage 2nd floor bedrooms , and existing space remodel
Valuation:
$175,000
Permit #:
24BLD-01342
Status:
issued
Fee:
$837
Permit Type:
Addition
Building Type:
N/A
10707 lookaway dr 4 apartments a b c & d we are replacing all 4 resiential split systems. 2ton ac's & 50k 80% furnaces. 4 apartments under this permit
Valuation:
$20,000
Permit #:
23MEC-04363
Status:
complete
Fee:
$316
Permit Type:
Replacement
Building Type:
N/A
New circuit wiring electrical updated plumbing including new water heater new hvac kitchen and bathroom remodel laundry room firestops
Valuation:
$27,500
Permit #:
23BLD-07283
Status:
complete
Fee:
$326
Permit Type:
Interior finish
Building Type:
N/A
Install 80k btu 90% gas furance with 2.5 ton air conditioning. rebuild duct work due to fire
Valuation:
$9,000
Permit #:
23MEC-00750
Status:
issued
Fee:
$178
Permit Type:
Replacement
Building Type:
N/A
Interior remodel as submitted plan 24inv-00228
Valuation:
$30,000
Permit #:
24BLD-09433
Status:
issued
Fee:
$232
Permit Type:
Alteration
Building Type:
N/A
(apr-accelerated plan review) second floor addition and existing house remodeling
Valuation:
$120,000
Permit #:
23BLD-01312
Status:
issued
Fee:
$1,114
Permit Type:
Addition
Building Type:
N/A
Full system swap-out. furnace is in the basement. air conditioning is r-32
Valuation:
$6,400
Permit #:
25MEC-04746
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Basement finish with bathroom bedroom exercise room and family area
Valuation:
$52,000
Permit #:
24BLD-05217
Status:
complete
Fee:
$324
Permit Type:
Other
Building Type:
N/A
We replaced the ducted hvac with a ductless heat pump single zone
Valuation:
$2,540
Permit #:
25MEC-08602
Status:
complete
Fee:
$156
Permit Type:
Replacement
Building Type:
N/A
Adding a finished entertainment room bedroom with a closet bar area utility room and a bathroom
Valuation:
$43,800
Permit #:
23BLD-06829
Status:
complete
Fee:
$293
Permit Type:
Interior finish
Building Type:
N/A
Basement remodel adding living area full bathroom and storage areas to an existing building
Valuation:
$38,622
Permit #:
23BLD-09072
Status:
complete
Fee:
$267
Permit Type:
Interior finish
Building Type:
N/A
Basement finish
Valuation:
$60,389
Permit #:
23BLD-04919
Status:
complete
Fee:
$412
Permit Type:
Interior finish
Building Type:
N/A
Remodel kitchen and two bathrooms
Valuation:
$45,000
Permit #:
25BLD-05261
Status:
complete
Fee:
$299
Permit Type:
Alteration
Building Type:
N/A
Interior finish after minor fire -
Valuation:
$109,000
Permit #:
22BLD-01140
Status:
complete
Fee:
$619
Permit Type:
Fire-storm
Building Type:
N/A
Residential rehab
Valuation:
$150,000
Permit #:
22BLD-00004
Status:
complete
Fee:
$846
Permit Type:
Alteration
Building Type:
N/A
4 unit hvac replacement connecting to existing ductwork
Valuation:
$16
Permit #:
23MEC-02088
Status:
complete
Fee:
$316
Permit Type:
Replacement
Building Type:
N/A
Interior remodeling (main floors and basement finish)
Valuation:
$90,000
Permit #:
23BLD-02790
Status:
issued
Fee:
$537
Permit Type:
Interior finish
Building Type:
N/A
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BZ Score
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License #
Saint Louis, MO
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Ambient Air Heating and Cooling License info
License Not Verified
| License # | MEC0940400 |
| Status | Active |
| City | University City |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2023. Check the current license status of Ambient Air Heating and Cooling 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 |
| City | Town And Country |
- When BuildZoom last verified this license, it had an expiration date of December, 2024. Check the current license status of Ambient Air Heating and Cooling with the City of Town and Country
This is a sample of licensing data; click here to access a complete history.
License Not Required
| Status | Not Required |
- BuildZoom verified in February, 2021 that this contractor does not need a license to be a contractor in Missouri.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | X3251 |
| Status | Inactive |
| County | St Louis County |
| Type | Hvac Service Ins |
- 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 Ambient Air Heating and Cooling 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
| License # | MEC4597352 |
| Status | Inactive |
| City | University City |
| Type | Mechanical Contractor |
- According to the City of University City, 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 Ambient Air Heating and Cooling at the City of University City.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | St Louis County |
| Type | Mechanical 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.
105
BuildZoom Score
Insured
| Insurer | 08/10/19 |
91
Permits
- Building permit records show that Ambient Air Heating and Cooling has worked on 91 permitted projects.
Ambient Air Heating and Cooling Employees
SM
Shawn Murnan
Owner