DYZ SMART HVAC INNOVATIONS
License
- Status
- CLEAR
- First issued
- March 20, 2026
- Expires
- March 31, 2028
- Entity
- Sole Owner
- Address of record
- 1892 CALLE MADRID, Rowland Heights, CA 91748
- Phone of record
- (626) 213 8907
Contractor bond
- Surety
- AMERICAN CONTRACTORS INDEMNITY COMPANY
- Bond number
- 101042684
- Amount
- $25,000
- Effective
- March 2, 2026
Workers’ compensation
- Carrier
- TECHNOLOGY INSURANCE COMPANY INC
- Policy number
- TWC4779650
- Effective
- March 4, 2026
- Expires
- March 4, 2027
Are they licensed for your job?
A California contractor may only contract for work their classification covers. Pick the job and this reads the license on file against it.
Licensed to perform
A contractor may only contract for work within their classifications. See all 10 licensed warm-air heating, ventilating and air-conditioning contractors in Rowland Heights.
People on this license
| Name | Title | Since | Through |
|---|---|---|---|
| DUAN YUANZHOU | Sole Owner | March 20, 2026 | Current |
Verified status badge
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Source: California Contractors State License Board public records. Coverage lapse is evaluated against today’s date; all other fields reflect the latest weekly CSLB file. Confirm at the CSLB’s official record before signing a contract.