Updated: Jun 01, 2026
Location and Projects
Address
184 OPAL AVE, Redwood City, CA, 94062
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Harrison Heating & Air Conditioning
Harrison Heating & Air Conditioning, 184 Opal Ave, Redwood City, CA (Owned by: Michael John Harrison) holds a General Building, Warm Air Heating, Ventilating And Air Conditioning, Sheet Metal, Boiler, Hot Water Heating And Steam Fitting license and 2 other licenses according to the California license board.
Their BuildZoom score of 106 ranks in the top 7% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Harrison Heating & Air Conditioning, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Harrison Heating & Air Conditioning Services
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Harrison Heating & Air Conditioning Contact Information
Phone Number: (650) 367-8143
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Address: 184 OPAL AVE, Redwood City, CA 94062
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Harrison Heating & Air Conditioning Redwood City
Quality
106
93rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Harrison Heating & Air Conditioning has a BuildZoom score of 106, which places them above 93% of 336,931 contractors in California.
Activity
|
4 projects
|
2025 |
|
7 projects
|
2024 |
|
4 projects
|
2023 |
Our building permit records indicate that Harrison Heating & Air Conditioning has worked on at least
15.0 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
|
15 projects
|
HVAC projects |
|
10 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Harrison Heating & Air Conditioning mostly works on
hvac project
and mechanical project
projects.
Pricing
|
2 projects
|
< $5k |
|
3 projects
|
$5k-$20k |
|
5 projects
|
$20k-$50k |
The typical size of their permits is approximately $20,426. 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 Harrison Heating & Air Conditioning
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replace failed air conditioning condensing unit & evaporator coil that serves upstairs like-for-like & at same locations
Valuation:
$13,558
Permit #:
LPC2025-01170
Status:
final
Fee:
$242
Permit Type:
N/A
Building Type:
N/A
Replace existing furnace (like-for-like same location) and addition air conditioning it is the permittee’s obligation and responsibility to ensure that all work associated with this permit complies with all current orders of the health officer of the county of san mateo related to the novel coronavirus disease 2019 (covid-19). the county of san mateo assumes no responsibility for work... see more
Valuation:
N/A
Permit #:
BLD2021-02969
Status:
final
Fee:
$611
Permit Type:
N/A
Building Type:
N/A
Replace air conditioning condensing unit. new condensing unit to be located on reinforced rear deck. evaporator coil was previously installed. 240 volt circuit previously installed
Valuation:
N/A
Permit #:
BLD2024-00580
Status:
final
Fee:
$333
Permit Type:
N/A
Building Type:
N/A
Installation of a mitsubishi ductless mini-split heat pump at rear of house. sound shall not exceed 60 dba daytime or 50 dba nighttime at nearest property line
Valuation:
$19,574
Permit #:
BLD2022-00287
Status:
issued
Fee:
$245
Permit Type:
Alteration
Building Type:
N/A
Replace furnace air conditioning and underfloor ducts
Valuation:
$22,795
Permit #:
MEP2023-00518
Status:
final
Fee:
$425
Permit Type:
Mechanical replac...
Building Type:
N/A
Replace furnace & air conditioning unit same locations
Valuation:
$18,287
Permit #:
MEP2023-00504
Status:
final
Fee:
$213
Permit Type:
Mechanical replac...
Building Type:
N/A
Convert existing central gas heating system to a heat pump
Valuation:
$24,744
Permit #:
M2024-0158
Status:
final
Fee:
$464
Permit Type:
Mechanical
Building Type:
N/A
Replace existing furnace like-for-like same location (laundry room)
Valuation:
N/A
Permit #:
BLD2022-02626
Status:
final
Fee:
$333
Permit Type:
N/A
Building Type:
N/A
Replace existing furnace like-for-like same location in garage; no new duct work
Valuation:
$8,184
Permit #:
MEP-2021-278753
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace (e) furnace (like for like) same location in garage; addition (n) air conditioning (right side of house)
Valuation:
$20,495
Permit #:
MEP-2020-277470
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace existing gas furnace with electric fan-coil and addition heat pump condensing unit on front elevation
Valuation:
$20,417
Permit #:
BLD2020-01259
Status:
final
Fee:
$462
Permit Type:
N/A
Building Type:
N/A
Replace fau w airhandler new heat pump
Valuation:
$29,966
Permit #:
MEP2024-00245
Status:
final
Fee:
$580
Permit Type:
Mechanical new HVAC
Building Type:
N/A
Replace condensings unit & evaporator coils
Valuation:
$22,564
Permit #:
MEP2024-00113
Status:
final
Fee:
$446
Permit Type:
Mechanical replac...
Building Type:
N/A
Install whole house fan
Valuation:
$4,055
Permit #:
MEP2023-00395
Status:
issued
Fee:
$213
Permit Type:
Electrical misc e...
Building Type:
N/A
Replace failed existing air conditioning condensing
Valuation:
N/A
Permit #:
BLDG2024-0123
Status:
final
Fee:
$400
Permit Type:
HVAC
Building Type:
N/A
Replace existing furnace like for like addition air conditioning
Valuation:
$14,075
Permit #:
M2021-0039
Status:
final
Fee:
$406
Permit Type:
Furnace
Building Type:
N/A
Replace furnace same location addition air conditioning
Valuation:
$21,045
Permit #:
M2021-0076
Status:
final
Fee:
$428
Permit Type:
Mechanical
Building Type:
N/A
Addition air conditioning to existing system
Valuation:
$1,000
Permit #:
M2024-0105
Status:
final
Fee:
$286
Permit Type:
Mechanical
Building Type:
N/A
Replace existing gas heating with heat pump
Valuation:
$29,527
Permit #:
M2023-0023
Status:
final
Fee:
$390
Permit Type:
Mechanical
Building Type:
N/A
Install a ductless minisplit heat pump
Valuation:
N/A
Permit #:
BP24-00798
Status:
final
Fee:
N/A
Permit Type:
Convert gas heati...
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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Projects
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BZ Score
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Projects
Harrison Heating & Air Conditioning Reviews
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Verified License
BuildZoom confirmed this contractor's license
Harrison Heating & Air Conditioning License info
Verified License
| License # | 589936 |
| Status | Active |
| State | California |
| Type | General Building, Warm Air Heating, Ventilating And Air Conditioning, Sheet Metal, Boiler, Hot Water Heating And Steam Fitting |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Harrison Heating & Air Conditioning at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 383056 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, 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 Harrison Heating & Air Conditioning at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 916840 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, 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 Harrison Heating & Air Conditioning at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
106
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Clear Spring Property & Casualty Company |
150
Permits
- Building permit records show that Harrison Heating & Air Conditioning has worked on 150 permitted projects.
Harrison Heating & Air Conditioning Employees
DS
Diana Andrich Smith
Officer
HS
Harrison Seymour Smith
Sole Owner
MH
Michael John Harrison
Owner