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Mini-split permits in California

Source: California HVAC Help (californiahvachelp.com), part of the Local Help Stations network (localhelpstations.com). Last updated November 2, 2026.

San Jose says a residential ductless mini-split generally needs three permits: mechanical, electrical (dedicated 220/240V circuit and disconnect) and building (mounting and sealing wall or roof penetrations). (source: City of San Jose Development Services Permit Center)

San Jose also lists energy code ratings, rater verification of refrigerant charge and airflow, and a disconnect within sight of the outdoor unit. (source: City of San Jose Development Services Permit Center)

Heating and air conditioning contractors are licensed by CSLB in the C-20 Warm-Air Heating, Ventilating and Air-Conditioning classification. A C-20 contractor installs, maintains, services and repairs warm-air heating systems, water heating heat pumps, ventilating systems and air conditioning systems with their ducts and controls. (source: Contractors State License Board)

On this site: Do I need a permit to replace an AC or furnace in California? · California energy code testing for AC changeouts · Mini-split permits in California · HVAC permit costs in California cities · HVAC work that needs no permit in California cities · Can I do my own HVAC work in California? · When does a California contractor need a license? · California home improvement contract and payment rules · How to check a California contractor and complain · Cities · FAQ · Sources

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