
TERMS & CONDITIONS
INSTALLATION OPTIONS
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Smart Replacement
• Reuse of existing piping, wiring, drainage & trunking.
• Suitable only for existing usable piping systems.
• No warranty coverage on existing piping condition.
• Warranty only covers new air-con joints connection by Commercestar Engineering Pte Ltd. -
Full Install
• Inclusive of new piping installation with upgraded materials.
• Inclusive of up to 30m piping length per FCU.
MATERIAL SPECIFICATIONS (FOR FULL INSTALL)
• Up to 30m standard piping per FCU
• 1/2" K-Flex Certified Class O insulation (Italy)
• 21 SWG copper piping 0.81mm (Source 1 - USA)
• Litaflex UPVC trunking (Singapore)
• Sigma / Keystone wire cables (Singapore)
• Litaflex 20mm / 25mm UPVC drain pipe (Singapore)
• Cable tray (Singapore)
GENERAL EXCLUSIONS
The following are NOT included unless otherwise stated:
• Work-at-height above 4m
• New power point / isolator / electrical supply
• Concealed piping works
• False ceiling works
• Hacking / reinstatement works
• Painting / touch-up works
• Stainless steel brackets
• Scaffolding / boom lift
• Additional piping beyond included length
• Drainage rerouting beyond standard scope
• Non-standard trunking routing
CONCEALED PIPING
• Concealed piping works are not included under Smart Replacement or Full Install.
• Concealed piping installation only applies under separate concealed installation works quotation.
• False ceiling / hacking works may be required depending on site conditions.
• Making good of affected areas will be based on basic patching only unless otherwise stated.
DISMANTLING
• Existing dismantled units will belong to Commercestar Engineering Pte Ltd to waive dismantling charges.
• If owner wishes to retain dismantled units, a handling fee of $200/set (FCU & CU) will apply.
WARRANTY
• 1 Year workmanship warranty by Commercestar Engineering Pte Ltd.
• 1 Year spare parts warranty by equipment manufacturer / OEM.
• 5 Years compressor warranty by equipment manufacturer / OEM.
Warranty excludes:
• Existing piping reused under Smart Replacement
• Gas leaks from old/reused piping
• Blocked drainage due to lack of maintenance
• Damage caused by third-party works
• Power surge / electrical issues
• Cosmetic defects after installation completion
• Normal wear & tear
OTHER TERMS
• All installations are subject to final site survey & actual site conditions.
• Additional charges may apply for non-standard installation requirements.
• Installation dates subject to availability & scheduling.
• Commercestar Engineering Pte Ltd reserves the right to amend installation methods based on site conditions.




