AC Technician (DX)

Ascentech Services Limited

Job Summary

  • We are seeking a skilled and experienced In-House DX AC Technician to handle the installation, maintenance, troubleshooting, repair, and servicing of Direct Expansion (DX) air-conditioning systems within a facility.
  • he 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.
  • Ensure all assigned HVAC systems remain operational and perform efficiently.

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.
  • Ability to work independently with minimal supervision and as part of a team.
  • Good communication and reporting skills.
  • Ability to follow safety procedures and maintain
  • VRV/VRF experience is an added advantage.

Salary

  • N300,000 – N350,000 monthly (Open).

Application Closing Date

  • 1st October, 2026.

How to Apply

  • Interested and qualified candidates should send their CVs to: recruiter17@ascentech.com.ng using (DX TECHNICIAN) as the subject of the email

To apply for this job email your details to recruiter17@ascentech.com.ng