HVAC Start Up Technician. About us. Long Heating & Air Conditioning, Inc. Job Summary. Immediately Hiring for Start Up Technician. Responsibilities and Duties for Positions May Include but not Limited to. Working with new construction homes. Performing start-ups, assist on other jobs as needed. Perform work as needed to pass inspection. Find and repair refrigerant leaks and gas leaks. Assist with trims and resets as needed. Solder and cut drywall...