Head of Service - Air Conditioning (AC / HVAC)Job Description Location: Ideally based near High WycombeSalary: £70K to £90K (DOE) + £6K car allowance or company car + bonus + pensionRole OverviewThe Head of Service (AC) is responsible for overseeing the delivery of air conditioning services across reactive maintenance, planned preventative maintenance (PPM), and remedial works. The role ensures all AC systems are maintained, repaired, and commissioned safely, efficiently, and in line with regulatory requirements.This position leads engineering and support teams, manages service performance and profitability, and maintains strong client relationships. It is accountable for ensuring compliance with refrigerant regulations, improving operational efficiency, and delivering high-quality engineering outcomes while meeting contractual service level agreements.Key ResponsibilitiesService Delivery and Technical OversightOversee the day-to-day delivery of reactive, PPM, and emergency AC services.Ensure high standards in fault diagnosis, repair, and commissioning across systems including splits, VRF/VRV, chillers, and specialist units.Maintain compliance with FGAS regulations, including leak detection, refrigerant handling, and record keeping.Drive improvements in first-time fix rates through effective planning, diagnostics, and engineer capability development.Monitor commissioning standards, including testing, evacuation, and system performance checks.Ensure contractual response and re