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State Requirements

HVAC License Requirements
in Connecticut

Everything you need to know about HVAC licensing in Connecticut — from required certifications and exams to experience thresholds and application steps.

License RequiredEPA 608 RequiredCE: 10 hrs

Key Takeaways

Connecticut requires a state HVAC license, but a federal EPA Section 608 certification is mandatory for anyone handling refrigerants. Licensing typically requires up to 6 years of documented experience.

  • State license: Required
  • EPA 608 certification: Required (federal)
  • 2 license types available
  • Continuing education: 10 hours
  • Regulated by: Connecticut Department of Consumer Protection
License Types
Connecticut HVAC Licenses
Connecticut offers 2 license types for HVAC professionals. Review the requirements for each below.
HVAC Journeyman License (S-1/S-2)
Required for HVAC technicians performing installations.
Experience: 4 yearsExam required: Yes
Complete a registered apprenticeship or equivalent training
Pass the state journeyman exam
HVAC Contractor License (S-1/SM-1)
Required to operate an HVAC contracting business.
Experience: 6 yearsExam required: Yes
Hold a valid journeyman license
Pass the contractor business exam
Provide proof of insurance and bonding
Regulatory Authority
Regulatory Body
Connecticut Department of Consumer Protection
Visit Official Website →
Additional Notes
Connecticut requires HVAC technicians and contractors to be licensed. Both warm-air (S-1) and hydronic (S-2) classifications are available.
Related
Connecticut Salary Data →Connecticut HVAC Programs →Connecticut Apprenticeships →
Next Step
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Connecticut.
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