Updated: Jun 23, 2026
Location and Projects
Address
2015 S Big Bend Blvd., Saint Louis, MO, 63117
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Unique Heating & Cooling
Unique Heating & Cooling, 2015 S Big Bend Blvd, St. Louis, MO (Owned by: Gnau John) holds a Hvac Service Ins license and 8 other licenses according to the St Louis County license board.
Their BuildZoom score of 108 ranks in the top 5% of 23,328 Missouri licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Unique Heating & Cooling, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Unique Heating & Cooling Contact Information
Phone Number: (314) 647-0604
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Address: 2015 S Big Bend Blvd., St. Louis, MO 63117
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Unique Heating & Cooling St. Louis
Quality
108
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Unique Heating & Cooling has a BuildZoom score of 108, which places them above 95% of 23,328 contractors in Missouri.
Activity
|
8 projects
|
2025 |
|
16 projects
|
2024 |
|
9 projects
|
2023 |
Our building permit records indicate that Unique Heating & Cooling has worked on at least
33.0 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
|
7 projects
|
Home Additions |
|
28 projects
|
HVAC projects |
|
14 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Unique Heating & Cooling mostly works on
hvac project
and mechanical project
projects.
Pricing
|
12 projects
|
< $5k |
|
8 projects
|
$5k-$20k |
|
4 projects
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
|
1 project
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
The typical size of their permits is approximately $8,000. 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 Unique Heating & Cooling
This is a sample of this contractor's permits. Click here to access their complete permit history.
(accelerated plan review) correct violations on residential occupancy inspection report 24nps-01643 basement gas shut-off: make 2 separate fuel shut-off for each appliance (furnace and water heater) garage door opener: properly install safety sensors per manufacturer instructions without the use of extension cords roof: make shingles and fascia at rear garage roof sound tight and not ... see more
Valuation:
$21,455
Permit #:
24BLD-02289
Status:
complete
Fee:
$708
Permit Type:
Occupancy
Building Type:
N/A
During an inspection for selling the house an obstruction was found in the main waste stack. correcting this issue requires replacing the main waste stack from the 1st-floor bathroom. the plumber who identified the problem discovered code violations in the basement bathroom stub. i plan to have the plumber replace all plumbing (stubs) in the basement bathroom. the walls in the baseme... see more
Valuation:
$12,000
Permit #:
24BLD-04025
Status:
complete
Fee:
$193
Permit Type:
Repair
Building Type:
N/A
Room addition with kitchen remodel
Valuation:
$275,000
Permit #:
24BLD-08039
Status:
issued
Fee:
$1,235
Permit Type:
Addition
Building Type:
N/A
Remove 2 supply air runs and replace with new metal piping remove 1 return air duct and replace with new metal piping
Valuation:
$500
Permit #:
25MEC-03344
Status:
complete
Fee:
$79
Permit Type:
Repair
Building Type:
N/A
Quality stainless products - replacing package remote terminal unit. like for like side discharge
Valuation:
$14,409
Permit #:
25MEC-00292
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
(united petroleum service) install customer supplied mini split in office in warehouse. head unit inside and condenser outside mounted to exterior foundation wall. line set and 4 pvc fresh air
Valuation:
$1,820
Permit #:
24MEC-10936
Status:
complete
Fee:
$156
Permit Type:
New construction
Building Type:
N/A
Two story addition - house remodel
Valuation:
$409,000
Permit #:
24BLD-01990
Status:
complete
Fee:
$1,738
Permit Type:
Alteration
Building Type:
N/A
Family room addition built atop existing storage shed with adjoining deck
Valuation:
$106,765
Permit #:
25BLD-02896
Status:
issued
Fee:
$572
Permit Type:
Addition
Building Type:
N/A
According to rob the mechanical inspector 4 unit heaters were installed without a permit the customer just purchased the building with the unit heaters already installed by another person unique did not install the 4 unit heaters in question but is applying for a permit per the new building owner and rob from st louis county
Valuation:
$1,500
Permit #:
21MEC-04511
Status:
complete
Fee:
$566
Permit Type:
Other
Building Type:
N/A
Kitchen remodel with removal of walls and new windows
Valuation:
$50,000
Permit #:
24BLD-06866
Status:
complete
Fee:
$316
Permit Type:
Alteration
Building Type:
N/A
Premise number: 275803300. electrical installations of a new 20kw kohler generator and 1 - 200amp transfer switch
Valuation:
$14,000
Permit #:
24BLD-06336
Status:
complete
Fee:
$193
Permit Type:
Alteration
Building Type:
N/A
Relocate the bathroom fan and piping
Valuation:
$500
Permit #:
25MEC-03801
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Massage envy - replace existing package remote terminal unit with new package rtu-massage envy
Valuation:
$29,100
Permit #:
22MEC-06129
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Relocate 3 supply air runs on 1st floor addition kitchen hood exhaust piping and terminator
Valuation:
$2,000
Permit #:
24MEC-09965
Status:
complete
Fee:
$156
Permit Type:
Alteration
Building Type:
N/A
Remove existing kitchen and replace with new cabinets counter tops and fixtures
Valuation:
$20,000
Permit #:
24BLD-00282
Status:
complete
Fee:
$208
Permit Type:
Interior finish
Building Type:
N/A
Rehabbing main floor and adding a bathroom in the unfinished basement
Valuation:
$30,000
Permit #:
24BLD-02129
Status:
complete
Fee:
$232
Permit Type:
Interior finish
Building Type:
N/A
Addition bathroom into existing bedroom and remove wall to combine two bedrooms
Valuation:
$20,000
Permit #:
22BLD-05450
Status:
complete
Fee:
$208
Permit Type:
Alteration
Building Type:
N/A
Relocate outside condensing unit to back of house per the city of maplewood
Valuation:
$1,000
Permit #:
22MEC-09405
Status:
issued
Fee:
$79
Permit Type:
Alteration
Building Type:
N/A
Undefined - e-permit
Valuation:
N/A
Permit #:
AMD-LP-009314
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Undefined - e-permit
Valuation:
N/A
Permit #:
AMD-LP-009275
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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BZ Score
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Avg Project
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BZ Score
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Avg Project
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Unique Heating & Cooling Reviews
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Verified License
BuildZoom confirmed this contractor's license
Unique Heating & Cooling License info
Verified License
| License # | HVR-5292 |
| 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 Unique Heating & Cooling 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 # | MEC0634079 |
| Status | Active |
| City | University City |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of January, 2023. Check the current license status of Unique Heating & 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 |
| 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 Unique Heating & Cooling 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 |
| County | St Louis County |
| Type | Water Heater Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of Unique Heating & Cooling 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
| License # | MEC0634079 |
| Status | Active |
| City | Dyersburg |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2017. Check the current license status of Unique Heating & Cooling with the City of Dyersburg
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | St. Charles County |
| Type | Mechanical |
- According to the St. Charles County Department of Development & Business Services, 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 # | MEC0634079 |
| 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 Unique Heating & 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. Charles County |
| Type | Hvacr Contractor (Class B) |
- According to the St. Charles County Department of Development & Business Services, 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 | 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.
108
BuildZoom Score
193
Permits
- Building permit records show that Unique Heating & Cooling has worked on 193 permitted projects.
Unique Heating & Cooling Employees
GJ
Gnau John
Owner
JG
John Gnau
Owner
UC
Unique Heating & Cooling
Owner