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 |
| Journeyperson application fee | $90 |
| Journeyperson initial license | $120 |
| Journeyperson annual renewal | $120 |
| Est. Initial Total | $760 |
Renewal: $150 every 1 year (expires August 31)
Exam Requirements
S-2 Unlimited HVAC Journeyperson Exam
80 questions3 hoursPass: 70%
HVAC systemsRefrigerationConnecticut Mechanical CodeSafety
S-1 Unlimited HVAC Contractor Exam (Trade + Business & Law)
100 questions3.5 hoursPass: 70%
HVAC systemsRefrigerationConnecticut business lawContract administration
Exam provider: PSI
Notes
- S-1 contractor exam fee is $130 ($65 trade exam + $65 Business & Law exam)
Frequently Asked Questions
Do I need a hvac technician license in Connecticut?
Yes, Connecticut requires a statewide hvac technician license through the Department of Consumer Protection.
How much does a hvac technician license cost in Connecticut?
The estimated initial cost is $430, including application, exam, and license fees.
Data last verified: 2026-04-02 | Source: DCP