Manufacturing

Hvac Technician (dx) At Ascentech Services Limited

Ascentech Services Limited·Lagos, nigeria·Full Time·Contract
ManufacturingFull TimeContract
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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.
  • 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.

Responsibilities

  • 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.
  • Conduct testing and commissioning after installation, servicing, or repairs.
  • Identify potential equipment issues and recommend appropriate corrective actions.
  • 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 a clean and organized work area.
  • VRV/VRF experience is an added advantage.

Key skills

BA/BSc/HND
Apply Now
Send your CV along with a cover letter tocv@ascentech.com.ng

Please use the job title as the subject line of your email.

At a glance

Company

Ascentech Services Limited

Location

Lagos, nigeria

Employment

Full Time

Work style

Contract

Experience

Valid until

Not specified

Created

September 30, 2026