D2 License Program

Warm Air, A/C and Refrigeration

A CT D2 license will allow you to install, service, repair, maintain, and alter any warm air, A/C, or refrigeration systems. To qualify for a D2 license, you must complete 4,000 hours (2 years) on the job as part of the CT apprenticeship program.  Apprenticeships are paid jobs that provide the necessary training to acquire your license. ENTECH provides all the necessary class instruction in about 6 months time.

This program provides all of the educational requirements necessary to fulfill the D2 License requirements. Students are ready to begin their two year apprenticeship upon completion of the program.

To register and for pricing information, select one of the upcoming sessions below.

Available Courses

No classes currently scheduled. For updates, please call Kate Lennon at 860-893-0605, email her at kate@entechtraining.org, or fill out the form and we'll contact you.

D2 License Program includes training in the following fields:

• Introduction to the Trades
• Trade Math
• Electrical
• Refrigeration Fundamentals
• Air Conditioning
• Heating Warm Air / D2
• Metal Trade
• Comfort Systems Design
  OSHA 30 Construction – Online via a State of CT approved provider (additional cost)

The D2 program is designed to provide students with the knowledge and skills, needed to obtain employment as an apprentice in the HVAC industry.