Determine Size Of Air Duct And Water Piping In Chiller System [WSQ]


This competency unit is pegged at WSQ Advanced Certificate level. It equips the learners with the generic knowledge to differentiate the different chilled water systems and their components. This unit also equips learners with the necessary skills and knowledge to size the air duct and water piping in chilled water system through actual exercises.

  • New entrants into air-conditioning industry
  • Supervisors in air-conditioning industry
  • Assistant engineers in air-conditioning industry
  • Engineers in air-conditioning industry
  • Explain air-cooled and water-cooled chiller systems with their system components in a typical design
  • Differentiate different applications for air-cooled and water-cooled chillers
  • Explain steps to design and size air duct in accordance with industry guidelines
  • Explain steps to design and size water piping in accordance with industry guidelines
  • Determine thermal insulation thickness based on heat transfer parameters
  • Select a chiller in accordance with the manufacturer’s specifications

Qualification Level:
WSQ Advanced Certificate

Date Option 1
Theory : 06-07 September 2022
Assessment : 08 September 2022 (2hours)

Full Course fee:
$481.5 (Inclusive of 7% GST)

WDA Course Fee Funding:

  • SMEs: 90% of course fee capped at $30/hr
  • Non-SMEs: 50% of course fee capped at $15/hr

Eligibility of course fee funding:

  • Company sponsored participants must be a Singaporean or Singapore Permanent Residents.
  • Individual company are to submit the applications and claims through the SkillsConnect System at
  • Course fee funding does not include GST.

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