Heating, Cooling, Sheet Metal License Application Path - Contractor

License Types
  • S-1
  • S-3
  • S-5
  • S-7
  • S-9
  • B-1
  • B-3
  • D-1
  • D-3
  • G-1
  • G-9
  • SM-1
  • SM-3
  • SM-5
  • ST-1
  • VT-1
  • MT-1
  • HPG-1
  • PP-1
  • OE-1
Refer to the scope of License to determine the proper license you are applying for. Please attach the following documents to your application that are required to process and expedite your application. Application submitted without the required documents will be returned as incomplete, which will delay the finalization of your application.

CT Residents Applying for a Contractor License:

  • Submit a copy of your current Journeypersons license and the date first issued

    Out of State Residents Applying for a CT Contractor License:

    Applicants holding “Out of State” Heating & Cooling Contractor License(s) shall submit:

  • Work history and/or resume to include the number of years the journeyperson license requires, and an additional two years of on the job training and/or experience, as required.
  • Letters from current or previous employer(s). Letters must be on company letterhead, dated, and notarized, and must include the dates of employment and a specific, detailed description of your on-the job-training and work experience, including all aspects included in the scope of work you are applying for.

    NOTE: Letters that do not meet the criteria listed above will not be accepted.  This will significantly delay the processing of your application. Do not submit W-2’s, 1099’s or tax returns for proof of your on the job training or work experience.  They will not be accepted.  Letters from employers are required. 

  • Proof of your business/experience as a contractor.
    • Name of business and dates of ownership/contractor for your business.
    • Two of the following documents: reference letters from clients, suppliers and/or inspectors and/or permits issued to your business for work conducted.
  • Proof of related instruction
    • Copies of transcripts, diplomas, and certificates for proof of completion of all required classes for the license type you are applying for.

NOTE: On-the job training and work experiences CANNOT be considered in lieu of the required classroom training.

  • Out of state apprenticeship completion, if applicable

    Certificate of apprenticeship completion in another state or jurisdiction

  • Out of state licenses, if applicable
  • All three items below must be submitted:
    • Copies of occupational trade licenses held in any state or jurisdiction
    • Documentation including laws and regulations from that state or jurisdiction that reflect the requirements met to obtain these licenses
    • Scope of work for these licenses

NOTE: Your out of state license will not be considered for equivalency unless all items listed above are submitted.  This will cause a significant delay to the processing of your application.

License Type

Scope of Work

On the Job Training Hours

Classroom Hours

S-1

Unlimited Heating, Piping, and Cooling

8,000 + 2 years (4,000) = 12,000

576

S-3

Limited Heating, Piping

8,000 + 2 years (4,000) = 12,000

576

S-5

Limited Heating, Hot Water and Steam

8,000 + 2 years (4,000) = 12,000

576

S-7

Limited Heating

8,000 + 2 years (4,000) = 12,000

576

S-9

Limited Heating Cooling

6,000 + 2 years (4,000) = 10,000

576

B-1

Limited Gas and Oil Burner

2,000 + 2 years (4,000) = 6,000

288

B-3

Limited Gas and Oil

4,000 + 2 years (4,000) = 8,000

360

D-1

Limited Warm Air, Air Conditioning and Refrigeration System

4,000 + 2 years (4,000) = 8,000

432

D-3

Limited Cooling & Refrigeration

4,000 + 2 years (4,000) = 8,000

396

G-1

Limited Heating, Piping & Cooling

1, 000 + 2 years (4,000) = 5,000

144

G-9

Limited Welding

2,000 + 2 years (4,000) = 6,000

144

SM-1

Sheet Metal

8,000 + 2 years (4,000) = 12,000

576

SM-3

Limited Sheet Metal Residential/Light Commercial

4,000 + 2 years (4,000) = 8,000

288

SM-5

Limited Sheet Metal Hood Systems

2,000 + 2 years (4,000) = 6,000

144

ST-1

Solar Thermal

4,000 + 2 years (4,000) = 8,000

288

VT-1

Limited Heating Cooling

6,000 + 2 years (4,000) = 10,000

288

MT-1

Limited Heating Cooling

6,000 + 2 years (4,000) = 10,000

288

HPG-1

Limited Heating Cooling (Gas Hearth)

500 + 2 years (4,000) = 4,500

24

PP-1

Limited Process Piping

4,000 + 2 years (4,000) = 8,000

228

OE-1

Heating, Piping and Cooling Operating Engineer

6,000 + 2 years (4,000) = 10,000

432

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