Job Description. . Energy Service Tech - Brighton / Commerce City, CO. Salary range: $27-$33/hr. Energy Service Tech Job Summary. These are the basic requirements of the position and must be performed competently. Responsible for installing propane tanks, including digging trenches and installing gas piping. Responsible for installing gas operated appliances, such as fireplaces, heaters, and hot water heaters. Perform HVAC maintenance service on ...