Ascentech Services Limited is a full-fledged Human Resource Solution Provider incorporated in 2013 with its Head Office in Lagos, Nigeria. We are committed to forging long-term partnerships with our clients by creating and delivering robust and flexible services that address the changing needs of their business.
We are recruiting to fill the position below: Job Title: HVAC Technician (DX - Direct Expansion) Technician
Location: Victoria Island, Lagos Employment Type: Full-time
Job Summary
We are seeking a skilled and experienced HVAC Technician to handle the installation, maintenance, troubleshooting, repair, and servicing of Direct Expansion (DX) air-conditioning systems within a facility.
The ideal candidate should have strong hands-on experience with split, cassette, and ducted AC systems and be capable of diagnosing and resolving mechanical, electrical, and refrigeration faults.
Key Responsibilties
Install, service, maintain, and repair split, cassette, and ducted AC systems.
Carry out preventive maintenance and routine cleaning of AC units.
Diagnose and troubleshoot cooling, electrical, refrigeration, and control-system faults.
Check and record refrigerant pressure, voltage, current, and temperature readings.
Perform refrigerant charging, recovery, leak detection, and system evacuation.
Carry out copper pipe installation, brazing, repair, vacuuming, and pressure testing.
Replace and repair compressors, motors, PCBs, sensors, capacitors, and other AC components.
Inspect, clean, and repair condensate drainage systems.
Requirements
Technical qualification in HVAC, Refrigeration & Air Conditioning, or a related field.
2–3 years of hands-on experience working with DX air-conditioning systems in a commercial, residential, or facility environment.
Strong troubleshooting and fault-diagnosis skills.
Good knowledge of refrigeration and electrical principles related to AC systems.
Ability to use basic HVAC tools and testing instruments, including gauges, multimeters, and clamp meters.
Practical experience with refrigerant charging, recovery, leak detection, brazing, vacuuming, and pressure testing.
Salary N250,000 - N300,000 monthly.