Manufacturing

Hvac Technician (direct Expansion)

Ascentech Services Limited·Lagos, nigeria·Full Time·Contract
ManufacturingFull TimeContract
-Closes Nov 9, 2026

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 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.

REQUIREMENTS

  • Technical qualification in HVAC, Refrigeration & Air Conditioning, or a related field.
  • 1 - 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.
  • VRV/VRF experience is an added advantage.

Key skills

Secondary School (SSCE)VocationalOthers
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

November 9, 2026

Created

November 6, 2026