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Compiled from official state licensing boards · Updated May 2026
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IMC 2021

Connecticut HVAC Contractor Licensing

Every hvac contractor license type Connecticut issues, with continuing-education hours, renewal fees, bond requirements and approved courses. Updated for 2026.

1
License types
None
Max CE / cycle
Not required
Bond at some tier
2
CE providers

Informational only — not legal advice, and not an official government resource. Licensing rules change; always confirm against the official board source linked on this page before you renew, apply, or make a business decision. Trade Cert Hub is independent and not affiliated with any state licensing board.

Connecticut hvac contractors licenses at a glance

S-1 Unlimited Heating, Piping, and Cooling Contractor

contractor
CE
None
Fee
$150
Bond
None
View full requirements
Getting started
How to become a hvac contractor in Connecticut →
Moving states
HVAC Contractor license reciprocity →
Pay
HVAC Contractor salary in Connecticut →

CE courses in Connecticut

HVAC Contractor continuing-education providers offering courses for Connecticut license holders. Confirm a provider is on your board’s approved list before you buy.

Affiliate disclosure: the links below are affiliate links and may earn us a commission at no extra cost to you.

360training

from $15

Cheapest, largest multi-trade catalog

Online self-paced · 350+ courses

View hvac contractor courses

RedVector (Vector Solutions)

from $19

Broad catalog across all four trades

Online self-paced · 250+ courses

View hvac contractor courses

Other trades licensed in Connecticut

Electrician in Connecticut Plumber in Connecticut General Contractor in Connecticut

Connecticut hvac contractor licensing — FAQ

How many hvac contractor license types does Connecticut issue?
Connecticut issues 1 hvac contractor license type: S-1 Unlimited Heating, Piping, and Cooling Contractor.
Does Connecticut require continuing education for hvac contractors?
Connecticut has no confirmed continuing-education requirement for hvac contractor licenses at the tiers we track (or it is 0 hours). Confirm with the licensing board.
Do Connecticut hvac contractor licenses require a bond?
No state license bond is required for hvac contractor licenses in Connecticut at the tiers we track. Local permits may still require one.
Which IMC edition does Connecticut enforce?
Connecticut currently enforces the 2021 IMC for hvac contractor work.

Official source

Connecticut Department of Consumer Protection

Official board site

Data compiled 2026-05-23. Confirm current figures with the board.

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