RDL is targeted at trained and experienced technicians who are active in the HVACR field.
The RDL exams cover knowledge of:
- Equipment installation
- Types of refrigerants
- Fabricating copper tubing
- Evacuation and charging
- Refrigerant circuit tools
- Recovery and/or recycling machines
Technicians earning the RDL are safety and environmental stewards. Because of their superior knowledge in the safe handling of refrigerants, they protect building occupants and lower emissions of ozone depleting substances (ODS) and greenhouse gases (GHG).
HVACR Technicians Earn the Credential in One Day with Two Steps
Online exam of 100 multiple choice questions. Technicians will have up to 2.5 hours to complete the online exam.
The practical exam will include three modules, which will take approximately (on average) 1.5 hours to complete. Candidates will rotate among the available testing stations so that simultaneous testing can take place. The modules will cover:
- Brazing and tubing
- Leak checking and parameter reading
- An RDL Certificate
- An RDL Wallet Card