HVAC Contractor Permit Requirements in San Antonio, TX

1. EPA Section 608 Technician Certification

   Federal law requires all HVAC technicians who purchase or handle refrigerants to be certified under EPA Section 608 of the Clean Air Act. Certification is available in Type I (small appliances), Type II (high-pressure), Type III (low-pressure), and Universal categories. Certification is obtained through an EPA-approved testing organization such as ESCO Institute or NATE.

   Official government source

   $20–$60 (exam fee)·1–2 weeks (exam scheduling)

   $20–$60 (exam fee)

   1–2 weeks (exam scheduling)

2. EIN (Employer Identification Number)

   Required if you have employees or operate as an LLC or corporation. Free from the IRS.

   Official government source

   Free·Immediate (online application)

   Free

   Immediate (online application)

1. Texas Department of Licensing and Regulation — Air Conditioning and Refrigeration Contractor License

   Texas requires all HVAC contractors to hold an Air Conditioning and Refrigeration (ACR) Contractor License from the Texas Department of Licensing and Regulation (TDLR). A licensed Responsible Master Contractor must be on staff. Applicants must pass a state exam and carry $300,000 in liability insurance.

   Official government source

   $280 (contractor license) + $60 (exam fee)·4–8 weeks

   $280 (contractor license) + $60 (exam fee)

   4–8 weeks

1. City of San Antonio — Mechanical Contractor Registration and Permit

   San Antonio requires HVAC contractors to register with the City and obtain mechanical permits for each installation project.

   $100 (registration) + $50–$500 per project (permit)·2–3 weeks

   $100 (registration) + $50–$500 per project (permit)

   2–3 weeks

Official Sources

• San Antonio Development Services
• Texas TDLR — Air Conditioning and Refrigeration

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