Connecticut HVAC Contractor License
A Connecticut S-1 Unlimited Heating, Piping, and Cooling Contractor has no continuing-education requirement, a $150 state renewal fee, and no state license bond. Connecticut currently enforces the 2021 IMC. Requirements, approved courses, bond and renewal steps for 2026.
Source: CT DCP · compiled 2026-05-23
Informational only — not legal advice, and not affiliated with any licensing board. Confirm every figure with the official board before you act. Some links are affiliate links — we may earn a commission at no extra cost to you. Full disclaimer.
Continuing education
Connecticut does not have a confirmed continuing education requirement for this license (0 hours). You still need to renew on time and pay the filing fee — see “How to renew” below.
Bond & insurance
No state license bond required at this tier. Local permits may still require one.
Workers’ compensation insurance is required.
These limits often apply to the licensed contractor/business, not an individual contractor working as an employee — confirm which applies to your situation with CT DCP.
Compare GL & workers’-comp quotesReciprocity
Connecticut does not publish direct reciprocity for this license. Out-of-state holders typically apply for endorsement and may need to pass the state exam. The reciprocity map shows which states do honor each other.
How to renew, step by step
- 1
Check your renewal deadline
Log in to the CT DCP portal and confirm your expiration date and license number before doing anything else.
- 2
Complete continuing education
Connecticut does not require continuing education for this license, so there are no CE hours to complete — but confirm on the board portal in case the rule changed.
- 3
Gather bond & insurance proof
Have current proof of your license bond and workers’ compensation coverage ready to upload.
- 4
Submit and pay
Submit the renewal through the CT DCP portal and pay the $150 fee. Renewing online is faster than mailing a paper form.
- 5
Save your confirmation
Download the confirmation and your updated license. If you missed the deadline, look for the late/reinstatement path rather than re-applying from scratch.
Frequently asked questions
How many CE hours do I need for Connecticut S-1 Unlimited Heating, Piping, and Cooling Contractor renewal?
What does Connecticut S-1 Unlimited Heating, Piping, and Cooling Contractor renewal cost?
Does Connecticut accept reciprocity for this license?
Which code is Connecticut currently enforcing?
Don’t lose your license to a missed deadline
Connecticut S-1 Unlimited Heating, Piping, and Cooling Contractors renew every 1 year. Set a reminder so you have time to finish your requirements before you’re due.
Used to set your reminder. With the email option we’ll time it 90, 30 and 7 days before.
Download a calendar file with alerts 90, 30 and 7 days before. Works with Apple, Google and Outlook. Nothing leaves your device.
No spam, unsubscribe anytime. We’ll send the year’s code & CE-rule changes for hvac contractors too.
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