Updated: Feb 24, 2026
Location and Projects
Address
Ann Arbor, MI, 48103
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Koch & White Heating & Cooling, Inc
Koch & White Heating & Cooling, Inc, Ann Arbor, MI (Owned by: Moosbrugger, William J) holds a Mechanical Contractor license and 18 other licenses according to the Michigan license board.
Their BuildZoom score of 112 ranks in the top 3% of 167,179 Michigan licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Koch & White Heating & Cooling, Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Koch & White Heating & Cooling, Inc Services
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Koch & White Heating & Cooling, Inc Contact Information
Phone Number: (734) 663-0204
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Koch & White Heating & Cooling, Inc Ann Arbor
Quality
112
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Koch & White Heating & Cooling, Inc has a BuildZoom score of 112, which places them above 97% of 167,179 contractors in Michigan.
Activity
|
385 projects
|
2025 |
|
477 projects
|
2024 |
|
430 projects
|
2023 |
Our building permit records indicate that Koch & White Heating & Cooling, Inc has worked on at least
1292.0 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
|
17 projects
|
Home Additions |
|
7 projects
|
New Constructions |
|
1052 projects
|
HVAC projects |
|
940 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Koch & White Heating & Cooling, Inc mostly works on
hvac project
and mechanical project
projects.
Pricing
|
20 projects
|
< $5k |
|
1 project
|
$250k-$500k |
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 Koch & White Heating & Cooling, Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replace service panel with 200amp panel install new circuits (2) to stove and water heater replace gas water heater with electrical water heater
Valuation:
N/A
Permit #:
ELECR25-1303
Status:
final
Fee:
$134
Permit Type:
N/A
Building Type:
N/A
Replace gas water heater with electrical water heater replace service panel with 200amp panel install new circuits to stove+wh+dryer
Valuation:
N/A
Permit #:
ELECR25-1005
Status:
final
Fee:
$180
Permit Type:
N/A
Building Type:
N/A
Replace gas furnace with heat pump electrical heat and to new electrical stove
Valuation:
N/A
Permit #:
ELECR25-1291
Status:
final
Fee:
$125
Permit Type:
N/A
Building Type:
N/A
*** see press release*** detour for crane lift at 215 s. state st.-on monday november 14th from 8 a.m. to 4 p.m. and wednesday november 16th from 8 a.m. to 4 p.m northbound traffic on south state street will be detoured west on liberty street and northbound on division street east on huron street and back to state street. southbound traffic on state street will be detoured east on eas... see more
Valuation:
N/A
Permit #:
TCP22-2705
Status:
expired
Fee:
$37
Permit Type:
N/A
Building Type:
N/A
Replace furnace and air conditioning _x000d_ _x000d_ 06-05-23: permit refunded - $15.00 (removed line items for air conditioning & furance - like for like replacement). took total of permit to $120.00 contractor originally paid $135.00
Valuation:
N/A
Permit #:
PM23-0129
Status:
issued
Fee:
N/A
Permit Type:
AC-furnace replac...
Building Type:
N/A
Replace furnace & air conditioner & gas water heater with tankless water heater
Valuation:
N/A
Permit #:
ELECR25-1243
Status:
final
Fee:
$125
Permit Type:
N/A
Building Type:
N/A
Replace gas water heater with electrical water heater and upgrade service panel
Valuation:
N/A
Permit #:
ELECR25-0894
Status:
final
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
*on hold for issuance of mechr25-0577* install generator & transfer switch
Valuation:
N/A
Permit #:
ELECR25-0624
Status:
final
Fee:
$135
Permit Type:
N/A
Building Type:
N/A
Replace furnace and air conditioner (same exact replacement & location)
Valuation:
N/A
Permit #:
PM25-0303
Status:
issued
Fee:
$105
Permit Type:
Mechanical
Building Type:
N/A
Repair gas leaks found during home inspection and modify gas to dryer
Valuation:
N/A
Permit #:
MECHR24-3425
Status:
expired
Fee:
$30
Permit Type:
N/A
Building Type:
N/A
Replace gas water heater with electrical heat pump water heater
Valuation:
N/A
Permit #:
ELECR25-0807
Status:
final
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
Replace 2 air conditioning units (located on roof not rtu's)
Valuation:
N/A
Permit #:
ELECC25-0747
Status:
final
Fee:
$135
Permit Type:
N/A
Building Type:
N/A
Install new air conditioner and electrical to air conditioning
Valuation:
N/A
Permit #:
ELECR25-1106
Status:
final
Fee:
$82
Permit Type:
N/A
Building Type:
N/A
Install ductless mini split in sunroom (electric by others)
Valuation:
N/A
Permit #:
PM24-1188
Status:
final
Fee:
$75
Permit Type:
Mechanical
Building Type:
N/A
Replace furnace and air conditioning and duct modification to addition two supply air openings and one return to existing addition
Valuation:
N/A
Permit #:
MECHR23-1417
Status:
final
Fee:
$145
Permit Type:
N/A
Building Type:
N/A
Replace furnace & air conditioner (exact replacement)
Valuation:
N/A
Permit #:
P25-0166M
Status:
final
Fee:
$148
Permit Type:
HVAC
Building Type:
N/A
Replace gas water heater with electrical water heater
Valuation:
$0
Permit #:
ELECR25-1300
Status:
expired
Fee:
$40
Permit Type:
N/A
Building Type:
N/A
Replace gas water heater with electrical water heater
Valuation:
N/A
Permit #:
ELECR25-0809
Status:
final
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
Install new ductless heat pump for space above garage
Valuation:
N/A
Permit #:
ELECR25-0634
Status:
issued
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
Replace gas water heater with electrical hp water heater
Valuation:
N/A
Permit #:
ELECR25-0445
Status:
final
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Koch & White Heating & Cooling, Inc License info
Verified License
| License # | 7119127 |
| Status | Active |
| State | Michigan |
| Type | Mechanical Contractor |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Koch & White Heating & Cooling, Inc at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 315930 |
| Status | Active |
| State | Michigan |
| Type | Boiler Installer |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Koch & White Heating & Cooling, Inc at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 7115482 |
| Status | Active |
| State | Michigan |
| Type | Mechanical Contractor |
- When BuildZoom last verified this license, it had an expiration date of August, 2025. Check the current license status of Koch & White Heating & Cooling, Inc with the Michigan Department of Licensing & Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 315169 |
| Status | Active |
| State | Michigan |
| Type | Boiler Installer |
- When BuildZoom last verified this license, it had an expiration date of December, 2025. Check the current license status of Koch & White Heating & Cooling, Inc with the Michigan Department of Licensing & Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 6113466 |
| Status | Active |
| State | Michigan |
| Type | Electrical Contractor |
- BuildZoom has not verified this license since November, 2024.
Verify this license's status for Koch & White Heating & Cooling, Inc at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 315930 |
| Status | Active |
| State | Michigan |
- When BuildZoom last verified this license, it had an expiration date of December, 2021. Check the current license status of Koch & White Heating & Cooling, Inc with the Michigan Department of Licensing & Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2104042130 |
| Status | Inactive |
| State | Michigan |
| Type | Residential Builder M And A Company |
- According to the Michigan Department of Licensing & Regulatory Affairs, 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 Koch & White Heating & Cooling, Inc at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 6108311 |
| Status | Inactive |
| State | Michigan |
| Type | Electrical Contractor |
- According to the Michigan Department of Licensing & Regulatory Affairs, 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 Koch & White Heating & Cooling, Inc at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 314198 |
| Status | Inactive |
| State | Michigan |
| Type | Boiler Installer |
- According to the Michigan Department of Licensing & Regulatory Affairs, 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 Koch & White Heating & Cooling, Inc at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 314204 |
| Status | Inactive |
| State | Michigan |
| Type | Boiler Installer |
- According to the Michigan Department of Licensing & Regulatory Affairs, 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 Koch & White Heating & Cooling, Inc at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 7115482 |
| Status | Inactive |
| State | Michigan |
| Type | Mechanical Contractor |
- According to the Michigan Department of Licensing & Regulatory Affairs, 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 Koch & White Heating & Cooling, Inc at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 7109352 |
| Status | Inactive |
| State | Michigan |
| Type | Mechanical Contractor |
- According to the Michigan Department of Licensing & Regulatory Affairs, 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 Koch & White Heating & Cooling, Inc at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2104042130 |
| Status | Inactive |
| State | Michigan |
| Type | Residential Builder M And A Company |
- According to the Michigan Department of Licensing & Regulatory Affairs, 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 Koch & White Heating & Cooling, Inc at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 7115014 |
| Status | Inactive |
| State | Michigan |
| Type | Mechanical Contractor |
- According to the Michigan Department of Licensing & Regulatory Affairs, 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 Koch & White Heating & Cooling, Inc at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 314204 |
| Status | Inactive |
| State | Michigan |
| Type | Boiler Installer |
- According to the Michigan Department of Licensing & Regulatory Affairs, 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 Koch & White Heating & Cooling, Inc at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 314198 |
| Status | Inactive |
| State | Michigan |
| Type | Boiler Installer |
- According to the Michigan Department of Licensing & Regulatory Affairs, 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 Koch & White Heating & Cooling, Inc at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 6108311 |
| Status | Inactive |
| State | Michigan |
| Type | Electrical Contractor |
- According to the Michigan Department of Licensing & Regulatory Affairs, 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 Koch & White Heating & Cooling, Inc at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CONT-3097 |
| Status | Inactive |
| City | Ann Arbor |
| Type | Contractor |
- According to the The City of Ann Arbor, MI, 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 Koch & White Heating & Cooling, Inc at the The City of Ann Arbor, MI.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 7102616 |
| Status | Inactive |
| State | Michigan |
| Type | Mechanical Contractor |
- According to the Michigan Department of Licensing & Regulatory Affairs, 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 Koch & White Heating & Cooling, Inc at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
112
BuildZoom Score
Insured
| Insurer | Tucker Insurance |
6.3K
Permits
- Building permit records show that Koch & White Heating & Cooling, Inc has worked on 6338 permitted projects.
Koch & White Heating & Cooling, Inc Employees
BS
Barry Snellgrove
Owner
BS
Barry B Snellgrove
CW
Clifford White
Owner
CW
Clifford A White
EK
Eric Kruger
Owner
EK
Eric C Kruger
EK
Eric Kruger
GW
Gary Albert White
KC
Koch & White Heating & Cooling
Owner
MA
Mark Amsdill
Owner
MA
Mark Amsdill
MA
Mark F Amsdill
MJ
Moosbrugger William J
MJ
Moosbrugger, William J
Owner
RB
Randy Breier
Owner
RB
Randy A Breier
TC
Troy Curtis
Owner
TC
Troy A Curtis
WS
William Stoll
Owner
WS
William A Stoll