Diagnose, service, and repair residential HVAC systems (heating, cooling, ventilation) Perform routine maintenance and tune-ups Communicate clearly with customers and explain technical information in a friendly way Maintain a clean and organized service vehicle Coordinate with dispatch and customer service for efficient scheduling Train and mentor apprentices or junior techs Complete accurate work orders, invoices, and service documentation. Join MasterTech Plumbing, Heating & Cooling , where your skills are valued, your growth is supported, and your success is recognized.