Key Takeaways

Connecticut requires a state HVAC / heating and air conditioning license (HVAC Journeyman License (S-1/S-2)), plus federal EPA Section 608 for refrigerant handling. Expect about 4 years of documented experience before the primary exam. Regulated by Connecticut Department of Consumer Protection.

  • State HVAC license: Required
  • EPA 608 certification: Required (federal)
  • 2 license types: HVAC Journeyman License (S-1/S-2), HVAC Contractor License (S-1/SM-1)
  • Experience typically required: ~4 years
  • Continuing education: 10 hours
  • Regulator: Connecticut Department of Consumer Protection
Quick facts for heating and air conditioning licensing in Connecticut
FactDetail
State HVAC licenseRequired
EPA 608Required (federal)
Primary credentialHVAC Journeyman License (S-1/S-2)
Experience (typical)~4 years
Continuing education10 hours
RegulatorConnecticut Department of Consumer Protection
How to Get a Heating and Air Conditioning License in Connecticut
Follow these steps in order. Always confirm final fees and forms with Connecticut Department of Consumer Protection before you apply.
01
Get EPA Section 608 certification
Complete federal EPA Section 608 (Universal preferred) before or during your Connecticut heating and air conditioning training. It is required to purchase and handle refrigerants.
02
Build ~4 years of documented experience
Connecticut typically expects about 4 years of documented HVAC / mechanical experience (or an approved apprenticeship equivalent) before the primary heating and air conditioning license exam.
Complete a registered apprenticeship or equivalent training
Pass the state journeyman exam
Hold a valid journeyman license
Pass the contractor business exam
03
Pass the HVAC Journeyman License (S-1/S-2) exam
Apply through Connecticut Department of Consumer Protection, schedule the exam, and pass the written (and any trade) exam required for HVAC Journeyman License (S-1/S-2).
HVAC Journeyman License (S-1/S-2): exam required
HVAC Contractor License (S-1/SM-1): exam required
04
Submit your heating and air conditioning license application
File with Connecticut Department of Consumer Protection, provide proof of experience/training, insurance/bonding if required, and pay application fees. Confirm current forms on the official site.
05
Complete continuing education to renew
Connecticut requires 10 hours of continuing education to keep your HVAC license current.
Connecticut HVAC Licenses
Connecticut offers 2 license types for HVAC professionals.
HVAC Journeyman License (S-1/S-2)
Required for HVAC technicians performing installations.
Experience: 4 yearsExam required: Yes
Complete a registered apprenticeship or equivalent training
Pass the state journeyman exam
HVAC Contractor License (S-1/SM-1)
Required to operate an HVAC contracting business.
Experience: 6 yearsExam required: Yes
Hold a valid journeyman license
Pass the contractor business exam
Provide proof of insurance and bonding
Where to Apply
Connecticut Department of Consumer Protection
State-specific notes
Connecticut requires HVAC technicians and contractors to be licensed. Both warm-air (S-1) and hydronic (S-2) classifications are available.
Visit official Connecticut licensing site →
Heating & air conditioning license questions in Connecticut
Answers match the FAQ structured data on this page for search and AI assistants.
Do you need a license to do HVAC in Connecticut?
Yes. Connecticut requires a state HVAC / heating and air conditioning (mechanical) license (HVAC Journeyman License (S-1/S-2)). Federal EPA Section 608 certification is also required to handle refrigerants.
How do I get a heating and air conditioning license in Connecticut?
Earn EPA 608, complete the required training or experience (typically ~4 years), pass the state exam through Connecticut Department of Consumer Protection, and submit your application with any bonding/insurance paperwork.
How much does an HVAC license cost in Connecticut?
State filing and exam fees vary by license class. Budget for application/exam fees plus EPA 608 testing and any required training. Confirm current amounts with Connecticut Department of Consumer Protection.
Is EPA 608 required in Connecticut?
Yes. EPA Section 608 is a federal requirement in every state, including Connecticut. Most employers expect Universal certification for heating and air conditioning refrigerant work.
What HVAC license types does Connecticut offer?
Connecticut offers HVAC Journeyman License (S-1/S-2) and HVAC Contractor License (S-1/SM-1). Connecticut requires HVAC technicians and contractors to be licensed. Both warm-air (S-1) and hydronic (S-2) classifications are available.
How many continuing education hours does Connecticut require?
Connecticut requires 10 hours of continuing education to renew an HVAC license.
Can I get a heating and air conditioning license through an apprenticeship in Connecticut?
Yes. Registered apprenticeships in Connecticut commonly satisfy the experience requirement toward licensure while you earn wages. Confirm hour documentation with Connecticut Department of Consumer Protection.
Data source: Licensing requirements sourced from official state regulatory body publications and verified against ACCA (Air Conditioning Contractors of America) state licensing guides. EPA Section 608 requirements per 40 CFR Part 82. Fee bands are typical published ranges — confirm current amounts with Connecticut Department of Consumer Protection before applying. Last reviewed: June 2026.
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Connecticut license.
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