Installation * Install air conditioning systems * Install heating systems, heat pumps and boilers * Install ventilation and extraction equipment * Install ductwork, pipework and associated controls * Commission new HVAC systems and ensure they operate correctly Maintenance * Carry out planned preventative maintenance (PPM) * Service air conditioning units, chillers and AHUs * Inspect HVAC equipment for wear and faults * Replace filters, belts, motors and other components * Ensure systems operate efficiently and comply with regulations Fault Finding & Repairs * Diagnose mechanical and electrical faults * Repair breakdowns on HVAC equipment * Troubleshoot control systems and sensors * Test components and verify repairs * Respond to emergency call-outs Compliance & Safety * Ensure compliance with F-Gas regulations * Follow Health & Safety procedures * Complete risk assessments and permits to work * Maintain accurate service records and reports * Ensure systems meet environmental standards Equipment Commonly Worked On * Air Conditioning Units (Split, VRV/VRF) * Chillers * Fan Coil Units (FCUs) * Air Handling Units (AHUs) * Ventilation Systems * Heat Pumps * Refrigeration Equipment * Boilers and Heating Plant * Building Management Systems (BMS)