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Connecticut HVAC License Requirements
Everything you need to legally start and operate an HVAC business in Connecticut — licensing, insurance minimums, bonding, and official application links.
Licensing Requirements Checklist
License Type
S-1 Unlimited Heating, Piping and Cooling Contractor
Issuing Authority
Connecticut Department of Consumer Protection
Experience Required
Must hold an S-2 Journeyperson license for at least 2 years.
Exam Required
Yes (Trade and Business/Law)
EPA Section 608 Certification
Required federally for handling refrigerants (all states).
Insurance & Bonding
Minimum Insurance
Not strictly stated at state level, but local permits require it
Surety Bond
Not strictly required statewide
Fees & Timeline
Application Fee
$150 Application Fee + $150 Initial License Fee
Estimated Processing
4 – 12 weeks
Varies by state board workload
Ready to Apply?
Visit the official Connecticut Department of Consumer Protection website to start your HVAC contractor license application for Connecticut.
Disclaimer: Information on this page is compiled from publicly available state resources for educational purposes. Requirements change frequently — always verify directly with the Connecticut Department of Consumer Protection before making business decisions.