Topic: Troubleshooting Appliances

Advanced Fuel and Gas Service Technician

Granite State Trade School is the only gas training school in New England approved and accepted in Maine, New Hampshire, and Vermont. Our Advanced Service technician course provides the training required to truly be considered a specialist in working with, safely servicing, troubleshooting, and repairing natural gas and propane operated appliances and equipment. Customers look at technicians who have achieved their Advanced Service Technician status with confidence.

This course provides hands-on recognition for properly servicing and troubleshooting gas appliances as well as the proper startup and testing required by most manufacturers. We give instruction on the proper techniques for gas pressure testing, flame current measurement, and combustion testing.


Granite State Trade School recently graduated their first class of Advanced Service Technician Specialists. The Advanced Service Technician patch reassures customers that the technician working on their equipment has specialized training and will provide the highest level of expertise in working on their natural gas and propane appliances.

This course is for natural and LP gas appliances and controls and introduction to some of the newer advanced controls and complex electronic ignition systems. These range from simple electronic ignition systems, such as those found in many appliances. They will include 120V & 24 V systems as well as milli-volt systems.

Covid-19 Policies and Procedures:

  • In-house class sizes will be limited to a maximum of 12 (to change as restrictions change)
  • Masks will be required for students attending live classes
  • Classrooms have been sterilized and sanitation will be maintained for each class
  • Temperatures may be tested upon entry.

We reserve the right to reschedule classes if required.

STATE OF NEW HAMPSHIRE GAS LICENSING REQUIREMENTS