Janith Hettiarachchi

Experienced HVAC TECHNICIAN with a background in the hospitality industry. Skilled in maintaining and optimizing HVAC systems, including VRV & VRF units, air-cooled & water-cooled chillers, and split air conditioners, Exhaust & Fresh air systems. Proficient in inspections, troubleshooting, and preventative maintenance to ensure efficiency and equipment longevity.

Committed to delivering high indoor air quality for guest comfort while adhering to standards. Expertise in enhancing system performance and aligning operations with compliance requirements.

HVAC TECHNICIAN - Anantara Dhigu Maldives Resort - Maldives

(2025-12)

• Perform preventive maintenance (PM) and corrective maintenance (CM) on VRF / VRV systems, FCU, AHU, FAHU, split air conditioners, and ventilation systems.
• Troubleshoot HVAC and refrigeration systems to minimize downtime and ensure continuous hotel operations.
• Monitor HVAC system performance to maintain indoor air quality (IAQ), energy efficiency, and guest comfort standards.
• Record maintenance activities in CMMS / maintenance logs and ensure compliance with engineering SOPs.
• Coordinate with the Engineering Department to respond to work orders and emergency breakdowns efficiently.
• Follow workplace safety, fire safety, and resort compliance standards at all times.
• Installed and commissioned Daikin VRV systems and Dunham-Bush VRF and package unit systems, including indoor unit installation, piping, ducting, gas charging, and full system testing

HVAC TEAM LEADER - Kandima, Maldives - Maldives

(2022-03 - 2025-06)

• Responds to maintenance requests
• Conduct regular servicing and maintenance of VRV systems, Heat pumps, and chillers.
• Maintained and monitored Clivet air-cooled scroll chillers, and led a project to convert an air-cooled unit into a water chiller system, involving compressor replacement, piping modification, and full system testing & commissioning
• Performed cooling tower installation, servicing, chemical treatment, and motor installation with electrical panel wiring and control system setup.
• Completed full VRV system installation including ducting, indoor unit installation, piping, and commissioning.
• Troubleshooting and repairs on FCU, AHU, FAHU units, and split air conditioning systems.
• Conduct comprehensive repairs and maintenance for cold rooms and refrigeration units.
• Manage installation, maintenance, and repair of various HVAC systems to meet operational needs.
• Develop and implement a preventive maintenance schedule to extend the lifespan of the HVAC system and reduce the risk of unexpected breakdowns.
• Ensure all HVAC systems uphold high indoor air quality standards, promoting guest comfort and well-being.
• Maintain accurate records of maintenance activities, repairs, and system performance, providing regular updates to management Manage inventory of HVAC parts and supplies, maintaining stock levels for timely maintenance and repairs
• Develop and implement a comprehensive preventative maintenance program to maintain system efficiency and reduce unexpected issues.

HVAC TECHNICIAN - Doubletree by Hilton Weerawila Rajawarna Resort - Weerawila Watta, Weerawila, Sri Lanka

(2020-12 - 2022-02)

• Maintenance of VRF units (Mitsubishi), Servicing and Maintenance of Screw Water Cooled Chillers, Centrifugal Magnetic Bearing Water Cooled Chillers, Scroll Air Cooled Chillers, FCU & FAHU, AHU Units, Split A/c
• Cooling tower service and maintenance/ chemical treatment.
• Troubleshooting and repairs on BMS & RMS.
• Perform all daily monitoring and maintenance of Boilers and Heat pumps.
• New VRV& VRF system installation.
• Kitchen exhaust and fresh air unit maintenance and service.
• Completed maintenance requests from all departments.

TRAINEE REFRIGERATION AND AIR CONDITIONING TECHNICIAN - Club Hotel Dolphin - Waikkal, Sri Lanka

(2019-09 - 2020-03)

• Serviced and maintenance of Chillers, VRV units (Daikin), FCU and AHU units, Split A/C and Package units.
• Cooling tower service and maintenance/ chemical treatment.
• Package system installation (ducting work, and humidity control)
• Kitchen exhaust and fresh air unit maintenance and service.
• Completed maintenance requests from all departments.

TRAINEE REFRIGERATION AND AIR CONDITIONING TECHNICIAN - Sri Lankan Airline Catering - Katunayake, Sri Lanka

(2019-03 - 2019-09)

Experienced in general building maintenance works.

• Trained on the operation and maintenance of Cold & Freezer Rooms, Air Conditioning & Electrical, Kitchen Equipment & Laundry Machines, Washing Machines, and Chilled Trucks
• Performed compressor overhaul and full oil service on Trane chiller system

CERTIFICATE - LEVEL II FIREFIGHTING COURSE (FIRE SQUAD TRAINING) - Kandima Maldives Resort

NATIONAL CERTIFICATE - REFRIGERATION AND AIR CONDITIONING MECHANIC (NVQ LEVEL 04) - Sri Lanka

CERTIFICATE - REFRIGERATION AND AIR CONDITIONING MECHANIC - National Apprentice and Industrial Training Authority (NAITA), Sri Lanka

CERTIFICATE - REFRIGERATION AND AIR CONDITIONING SKILLS - Ceylon German Technical Training Institute, Sri Lanka