HVAC Technician License Requirements in Connecticut
| Licensing Authority | Department of Consumer Protection (DCP) |
| License Type | S-1 Unlimited Heating, Piping, and Cooling Contractor |
| Experience Required | S-1 Contractor: 2 years as a licensed S-2 journeyperson or equivalent experience. S-2 Journeyperson: completion of registered apprenticeship (8,000 hours OJT + 720 hours classroom instruction) or equivalent experience and training. |
| Education Substitute | Accredited HVAC or mechanical program may substitute for a portion of the apprenticeship requirement |
| Exam Required | Yes — S-2 Unlimited HVAC Journeyperson Exam + S-1 Unlimited HVAC Contractor Exam (Trade + Business & Law) |
| Bond Required | No |
| Insurance | General liability: recommended. Workers comp: required with employees |
| Continuing Education | 4 hours 1 year |
| Processing Time | 4-8 weeks |
Fee Breakdown
| Application Fee | $150 |
| Exam Fee | $130 |
| Initial License Fee | $150 |
| Est. Initial Total | $430 |
Related & additional fees
Separate or ongoing costs — not included in the estimate above.
| Journeyperson application fee | $90 |
| Journeyperson initial license | $120 |
| Journeyperson annual renewal | $120 |
Renewal: $150 every 1 year (expires August 31)
Exam Requirements
S-2 Unlimited HVAC Journeyperson Exam
S-1 Unlimited HVAC Contractor Exam (Trade + Business & Law)
Exam provider: PSI
Recommended exam prep
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- S-1 contractor exam fee is $130 ($65 trade exam + $65 Business & Law exam)
Frequently Asked Questions
Do I need an hvac technician license in Connecticut?
Yes, Connecticut requires a statewide hvac technician license through the Department of Consumer Protection.
How much does an hvac technician license cost in Connecticut?
The estimated initial cost is $430, including application, exam, and license fees.
What experience do I need for an hvac technician license in Connecticut?
S-1 Contractor: 2 years as a licensed S-2 journeyperson or equivalent experience. S-2 Journeyperson: completion of registered apprenticeship (8,000 hours OJT + 720 hours classroom instruction) or equivalent experience and training. Education substitute: Accredited HVAC or mechanical program may substitute for a portion of the apprenticeship requirement
What exams are required for an hvac technician license in Connecticut?
You must pass the S-2 Unlimited HVAC Journeyperson Exam and S-1 Unlimited HVAC Contractor Exam (Trade + Business & Law) exams. A passing score of 70% is required. Exams are administered by PSI.
How long does it take to get an hvac technician license in Connecticut?
Processing time is typically 4-8 weeks after submitting a complete application.
Is continuing education required for hvac technicians in Connecticut?
Yes, 4 hours per 1 year is required for license renewal.
Next steps
You know the requirements for hvac technicians in Connecticut— here's how to actually pass and apply.
Data last verified: 2026-04-02 | Source: DCP