The average hvac salary at Arlington Isd was $46,799 , which is 16 percent lower than the average salary for this job in Texas, and 16 percent lower than the national average for this job . Hvac salaries at Arlington Isd typically range from $44,117 to $49,650 (25th to 75th percentile). The highest reported hvac salary was $60,570. There are 23 employees at Arlington Isd with the job title hvac.