ADU CITIES Contractor Directory

Hy HVAC Service

Also listed as: Cloud Hy Technology Inc

● Active — license status verified against CSLB public data as of November 6, 2026

☎ Call (909) 551-6251Verify this license at CSLB
CSLB license#1145147
ClassificationsC-10 — Electrical · C-20 — Warm-Air Heating, Ventilating and Air-Conditioning
Office of record20558 Julliard Dr
Walnut, CA 91789
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(909) 551-6251
Contractor bond$25,000 — Western Surety Company
Workers' comp (CSLB record)Workers' Compensation Insurance — Wellfleet Insurance Company
Business typeCorporation
License issuedOctober 17, 2025
License expiresOctober 31, 2027

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Data source: CSLB public records as of November 6, 2026. License status can change at any time — verify live at CSLB before signing a contract.