The HVAC Service Engineer is responsible for installation, maintenance, troubleshooting, and repair of heating, ventilation, and air conditioning (HVAC) systems at client sites. The role ensures system efficiency, reliability, and customer satisfaction through timely and high-quality service support.
Install, test, and commission HVAC systems including chillers, AHUs, VRF/VRV, split and package units
Ensure proper system setup as per design specifications
Conduct performance testing and system validation
Perform preventive and breakdown maintenance of HVAC systems
Diagnose faults in electrical, mechanical, and control components
Repair or replace defective components and ensure optimal system performance
Provide on-site and remote technical support to customers
Respond promptly to service requests and complaints
Maintain strong customer relationships and ensure satisfaction
Monitor system efficiency and suggest improvements
Ensure energy-efficient operation of HVAC systems
Identify recurring issues and recommend corrective actions
Maintain service logs, reports, and maintenance records
Prepare breakdown analysis reports and service documentation
Submit daily/weekly/monthly reports to management
Identify and recommend spare parts requirements
Coordinate with stores or vendors for parts availability
Maintain tools and service equipment
Follow all safety guidelines and standard operating procedures
Ensure compliance with environmental and regulatory standards
Adhere to quality and safety protocols during service operations
Diploma / B.E. / B.Tech in Mechanical / Electrical / HVAC / Refrigeration & Air Conditioning
2–6 years of relevant experience in HVAC service or maintenance
Strong knowledge of HVAC systems and components
Troubleshooting skills for electrical and mechanical faults
Familiarity with HVAC controls, thermostats, and sensors
Basic understanding of refrigeration cycles and thermodynamics
Good communication and customer-handling skills
Ability to work independently and manage field activities
Experience with VRF/VRV systems, chillers, and BMS (Building Management Systems)
Knowledge of energy efficiency practices
Certification in HVAC or related safety training

At Johnson Controls, we transform the environments where people live, work, learn and play. As the global leader in smart, healthy and sustainable buildings, our mission is to reimagine the performance of buildings to serve people, places and the planet.
Building on a proud history of 140 years of innovation, we deliver the blueprint of the future for industries such as healthcare, schools, data centers, airports, stadiums, manufacturing and beyond through OpenBlue, our comprehensive digital offering.
Today, Johnson Controls offers the world`s largest portfolio of building technology and software as well as service solutions from some of the most trusted names in the industry.
Visit www.johnsoncontrols.com for more information.