Refrigeration, Heating, Ventilation and Air-Condition Services

Our RHVAC division consists of a team of experienced and qualified engineers and technicians certified by the Environmental Protection Agency (EPA) and Australian Refrigeration Council (ARC). This team of skilled professionals possess a solid understanding of the environmental and industry standards compliance.

Through our vast experience of knowledge in the field of RHVAC, OceanMaster Engineering is committed in providing reliable services and expertise in the following areas:

A) Air-conditioning and Refrigeration System works

  • Engineering and design study of RHVAC systems in accordance with CLASS society regulations.
  • Complete marine and offshore RHVAC turnkey which includes:
    • Full project management
    • Design and Engineering
    • Procurement and Supply
    • Installation
    • Testing & Commissioning
    • Provision of the test report, as-built drawing, Project manuals and spare parts manual list upon job completion
  • Construction of Customized Marine explosion proof Air-Conditioning unit for use in Zone 1 & Zone 2 Hazardous Area.
  • Construction of Customized Marine Air-Conditioning unit for E-house, installation, and commissioning.
  • Conversion of domestic/land-based air-conditioning unit into heavy duty Marine Air-Conditioning unit constructed with stainless steel casing.
  • Construction of new cold-room plant (chiller and freezer) which includes:
    • Insulated panel
    • Unit cooler and condensing unit
    • Stainless steel shelving
    • Waterproof flooring
  • Supply and installation of:
    • Air / Water cooled condensing units
    • Air handling unit
    • Fan coil unit
    • Package unit
    • Single and multi-split unit
    • Other air-conditioning equipment
  • Conversion of the air-conditioning system from ozone hazardous (CFC) to ozone friendly refrigerant (HFC)
  • Fabrication, repair, and replacement of heat exchanger (condensing coils, evaporator coils, and heating coils)
  • Overhauling and supply of reconditioned air-conditioning and refrigeration compressors:
    • CARLYLE (Carrier)
    • SABROE
    • STAL
    • FRICK
    • BITZER
    • DAIKIN


B) Ventilation, heating and duct works

  • Temporary refuge (TR) integrity test
  • Air testing, adjusting, and balancing works
  • Space Pressurization test and controls
  • Robotic and manual air duct cleaning
  • Fumigation works
  • Asbestos Abatement / Indoor Air Quality Survey
  • Upgrading and modification of ducting system for accommodation and machinery space which includes:
    • Rectangular ducts (Mild steel and galvanized sheet ducting)
    • Spiral Ducts
    • Air diffusers, air grilles, and air louvers
    • Volume control dampers, non-return dampers & pressure relief dampers
    • Class approved fire dampers, shut-off dampers & modulating dampers
    • Ducting insulation
    • Axial and centrifugal fans
    • Silencer
    • Air ventilators (Mushrooms, Goosenecks & Louvers)
  • Supply and installation of the heating system, humidifier, and dehumidifier



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