Gas technicians are skilled professionals who specialize in the installation, maintenance, and repair of gas systems. They work with various types of gas, including natural gas and propane, ensuring that appliances like heaters, stoves, and water heaters operate safely and efficiently. Their training often includes understanding gas codes and regulations to prevent leaks and hazards. These technicians use specialized tools to detect gas leaks, perform pressure tests, and ensure proper ventilation. They may also provide customer service by explaining safety practices and offering advice on energy efficiency. Overall, gas technicians play a crucial role in maintaining safe gas systems in homes and businesses.