HVAC license requirements in Connecticut
The Connecticut Department of Consumer Protection issues HVAC licenses in Connecticut. Here's what each license level takes, from the official rules.
Issued by
Connecticut Department of Consumer Protection
Official siteRequirements checked October 21, 2026
License levels
One license level covers this work.
- 1
S-1 Unlimited Heating, Piping and Cooling Contractor
Two years as a licensed journeyperson, or equivalent experience and training. Then the exam.
Official source
Rules, fees and exam schedules change. Confirm the details with the Connecticut Department of Consumer Protection before you apply.
HVAC technicians in Connecticut
From the Bureau of Labor Statistics. See a city for local wages and contractor counts.
- HVAC technicians employed
- 3,800
- Median hourly wage
- $36.83
HVAC market data by city
Once you're licensed
Tradesman runs the business side for HVAC technicians: estimates, scheduling, invoicing and payments in one app.
HVAC licensing in Connecticut: common questions
Who issues HVAC licenses in Connecticut?
The Connecticut Department of Consumer Protection. The license levels and what each takes are listed above, with a link to the official source for each.
What does the S-1 Unlimited Heating, Piping and Cooling Contractor license take in Connecticut?
Two years as a licensed journeyperson, or equivalent experience and training. Then the exam.
Licensed and ready for more customers?
Tradesman handles estimates, scheduling and invoicing so you can spend your time on the work. Now in early access.