Texas Dept of Health and Human Services - JobID: 611676 [Refrigeration Technician / AC Technician] As a HVAC Mechanic at Texas Dept of Health and Human Services, you'll: Perform installation, adjustments, alterations, inspections, maintenance, repairs, and restorations of simple and complex chilled water systems, etc; Repair or replace defective components such as coils, evaporators, condensers, etc; Build, modify and install ductwork...Hiring Immediately >>