Updated: May 06, 2026
Location and Projects
Address
1804 E 123RD STREET, Olathe, KS, 66061
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One Hour Heating & Air Conditioning
One Hour Heating & Air Conditioning, 1804 E 123rd St, Olathe, KS (Owned by: Janet Blachly,Andy Mayfield) holds a Mechanical Contractor license and 5 other licenses according to the Johnson County license board.
Their BuildZoom score of 110 ranks in the top 4% of 9,248 Kansas licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring One Hour Heating & Air Conditioning, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
One Hour Heating & Air Conditioning Services
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One Hour Heating & Air Conditioning Contact Information
Phone Number: (816) 524-2121
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Address: 1804 E 123RD STREET, Olathe, KS 66061
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One Hour Heating & Air Conditioning Olathe
Quality
110
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
One Hour Heating & Air Conditioning has a BuildZoom score of 110, which places them above 96% of 9,248 contractors in Kansas.
Activity
|
68 projects
|
2025 |
|
81 projects
|
2024 |
|
60 projects
|
2023 |
Our building permit records indicate that One Hour Heating & Air Conditioning has worked on at least
209.0 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
|
204 projects
|
HVAC projects |
|
18 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that One Hour Heating & Air Conditioning mostly works on
hvac project
and mechanical project
projects.
Pricing
|
15 projects
|
< $5k |
|
189 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
The typical size of their permits is approximately $9,775. 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 One Hour Heating & Air Conditioning
This is a sample of this contractor's permits. Click here to access their complete permit history.
Install 80% variable 100k btu furnace 17.2 seer 3.5 ton air conditioner and matching evaporator coil check inside disconnect for fuse
Valuation:
$7,630
Permit #:
MEC25-0269
Status:
issued
Fee:
$88
Permit Type:
N/A
Building Type:
N/A
Install 96% variable 5 ton furnace 17.2 seer2 3 ton air conditioner and matching evaporator coil check inside disconnect for fuse
Valuation:
$10,726
Permit #:
MEC25-0272
Status:
issued
Fee:
$111
Permit Type:
N/A
Building Type:
N/A
Install furnace and air conditioner with matching evaporator coil. check inside disconnect for fuse
Valuation:
$15,245
Permit #:
RES-25-0557
Status:
expired
Fee:
$130
Permit Type:
N/A
Building Type:
N/A
Install furnace and air conditioner with matching evaporator coil. check inside disconnect for fuse
Valuation:
$15,245
Permit #:
RES-25-0557
Status:
expired
Fee:
$130
Permit Type:
N/A
Building Type:
N/A
Install 80% furnace **review not required zone: x 0.2 pct annual chance flood hazard 2/18/25**
Valuation:
$4,341
Permit #:
MEC25-0062
Status:
issued
Fee:
$63
Permit Type:
N/A
Building Type:
N/A
Install 80% furnace 17.2 seer 3 ton air conditioner & matching evaporator coil
Valuation:
$9,768
Permit #:
MEC25-0034
Status:
issued
Fee:
$104
Permit Type:
N/A
Building Type:
N/A
Install 80% 60k btu furnace **sent to fp 1/10/25** fp review not required 1/15/25**
Valuation:
$4,582
Permit #:
MEC25-0016
Status:
issued
Fee:
$65
Permit Type:
N/A
Building Type:
N/A
Install furnace air conditioning & coil. check inside disconnect for fuse
Valuation:
$13,702
Permit #:
BLD-M-2025-00262
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install furnace air conditioning & coil. check inside disconnect for fuse
Valuation:
$12,696
Permit #:
BLD-M-2025-00156
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install furnace air conditioning & coil. check inside disconnect for fuse
Valuation:
$12,309
Permit #:
BLD-M-2025-00104
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
80% 2 stage furnace - 80 000 btu; 1304 seer2 2.5 ton ac; matching evap coil
Valuation:
$9,703
Permit #:
BD-25-00890
Status:
issued
Fee:
$166
Permit Type:
N/A
Building Type:
N/A
Install 13.4 seer 2.5 ton air conditioner and matching evaporator coil
Valuation:
$5,979
Permit #:
MEC25-0222
Status:
issued
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
Install furnace and air conditioner with matching evaporator coil
Valuation:
$9,691
Permit #:
BLD-M-2025-00779
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
96% variable speed 80k btu furnace 17.2 seer2 3.5 ton variable speed air conditioner matching evaporator coil
Valuation:
$11,176
Permit #:
BD-25-01399
Status:
issued
Fee:
$190
Permit Type:
N/A
Building Type:
N/A
Install 80% 60k furnace 2 ton air conditioner and evaporator
Valuation:
$9,686
Permit #:
MEC25-0294
Status:
issued
Fee:
$103
Permit Type:
N/A
Building Type:
N/A
Install 96% single stage 80k btu furnace 14.3 seer2 2.5 ton air conditioner and matching evaporator coil
Valuation:
$10,373
Permit #:
MEC25-0281
Status:
issued
Fee:
$108
Permit Type:
N/A
Building Type:
N/A
Install furnace air conditioner and evaporator coil
Valuation:
$9,844
Permit #:
RES-25-0473
Status:
expired
Fee:
$130
Permit Type:
N/A
Building Type:
N/A
Install furnace air conditioner and evaporator coil
Valuation:
$9,844
Permit #:
RES-25-0473
Status:
expired
Fee:
$130
Permit Type:
N/A
Building Type:
N/A
Install furnace air conditioning & coil. check inside disconnect for fuse
Valuation:
$11,928
Permit #:
BLD-M-2024-02441
Status:
issued
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
90% modulating variable speed 60 000 btu furnace; 17.2 seer 2.5 ton variable speed air conditioning & matching evap coil
Valuation:
$9,802
Permit #:
BD-24-01728
Status:
issued
Fee:
$166
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
One Hour Heating & Air Conditioning License info
Verified License
| License # | 2026-0000078 |
| Status | Active |
| County | Johnson County |
| Type | Mechanical Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for One Hour Heating & Air Conditioning at the Johnson County Contractor Licensing Division.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 2015-8006 |
| Status | Active |
| County | Johnson County |
| Type | Mechanical Contractor |
| Class | DM |
- BuildZoom has not verified this license since January, 2010.
Verify this license's status for One Hour Heating & Air Conditioning at the Johnson County Contractor Licensing Division.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 2015-0078 |
| Status | Active |
| County | Johnson County |
| Type | Mechanical Contractor |
| Class | DM |
- BuildZoom has not verified this license since July, 2013.
Verify this license's status for One Hour Heating & Air Conditioning at the Johnson County Contractor Licensing Division.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 2013-0078 |
| Status | Active |
| County | Johnson County |
| Type | Mechanical Contractor |
- BuildZoom has not verified this license since January, 2010.
Verify this license's status for One Hour Heating & Air Conditioning at the Johnson County Contractor Licensing Division.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | BCL-003355-2024 |
| Status | Inactive |
| City | Lawrence |
| Type | Class E Mechanical Contractor |
| Class | Class E Mechanical Contractor |
- According to the City of Lawrence, 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 One Hour Heating & Air Conditioning at the City of Lawrence.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2021-0078 |
| Status | Inactive |
| County | Johnson County |
| Type | Mechanical Contractor |
- According to the Johnson County Contractor Licensing Division, 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 One Hour Heating & Air Conditioning at the Johnson County Contractor Licensing Division.
This is a sample of licensing data; click here to access a complete history.
110
BuildZoom Score
1.7K
Permits
- Building permit records show that One Hour Heating & Air Conditioning has worked on 1727 permitted projects.
One Hour Heating & Air Conditioning Employees
BD
Blachly, Ramon D
JM
Janet Blachly,Andy Mayfield
Owner
JC
Janet Blachly,Andy Mayfield,Matthew Gower,Ramon D Blachly,Jonathan Blachly,Samuel Criss
Owner
SK
Steven E Kurtz
Owner