Class M, DAT, RVT and IMT compressed gas licences

These four classes of licences authorize holders to work on various domestic and commercial compressed gas systems.

To obtain a Class M Gas Fired heating and Refrigeration Maintainer Licence, applicants must hold a certificate of qualification issued under the Apprenticeship and Occupational Certification Act in the refrigeration and air conditioning mechanic trade, must successfully complete a training program acceptable to the Gas Board and must successfully pass the Gas Board examination.

To obtain a DAT Domestic Appliance Gas Technician Licence, applicants must hold a certificate of qualification in the Appliance Technician Trade, as issued under the Apprenticeship and Occupational Certification Act, must successfully complete a training program acceptable to the Gas Board and must successfully pass the Gas Board Examination.

To obtain an RVT Recreation Vehicle Gas Technician Licence, applicants must have at least 480 hours of field experience under a Recreational Vehicle Gas Technician Licence or Class A1 Domestic Compressed Gas Licence holder and must successfully complete a training program acceptable to the Gas Board.

To obtain an IMT Industrial Maintenance Gas Technician Licence, applicants must hold a certificate of qualification issued under the Apprenticeship and Occupational Certification Act in an occupation acceptable to the Gas Board, must successfully complete a training program acceptable to the Gas Board and training on site specific equipment and must successfully pass the Gas Board examination.

A Class M Gas Fired Heating and Refrigeration Maintainer Licence authorizes the holder to service and repair control systems and operating components on packaged combination gas fired heating and roof top cooling units.

A DAT Domestic Appliance Gas Technician Licence authorizes the holder to service, repair and replace any unvented domestic propane or natural gas appliances, downstream of the appliance shutoff valve, having an input of 100,000 British Thermal Units per hour or less.

An RVT Recreation Vehicle Gas Technician Licence authorizes the holder to install, service, repair and replace any propane gas appliances having a heating value of 100,000 British Thermal Units per hour or less in a recreational vehicle.

An IMT Industrial Maintenance Gas Technician Licence authorizes the holder to service and repair gas appliances on the employer's premises which are fueled by natural or propane gas in vapour state, as specified on the licence.

• Apply for a new Gas licence
• Renew your Compressed Gas licence