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Singapore Tax Information

9% GST

GST is 9% (2024). Registration mandatory above S$1 million turnover. UEN required.

HVAC Technician Services to Invoice

  • AC repair
  • Heating repair
  • System installation
  • Maintenance service
  • Duct cleaning
  • Thermostat installation
  • Emergency service

Invoice Requirements in Singapore

GST registration number
UEN
Business address
Client details
GST amount
Total in SGD

Payment Terms

Service calls due on completion. Installations use deposit and balance.

ImmediateNet 14Net 30Net 60

Payment Methods in Singapore

Bank TransferPayNowGIROCredit CardPayPal

HVAC Technician Invoice Tips

  • Include contractor license
  • Specify equipment model
  • Note refrigerant used
  • Document warranty terms
  • Reference maintenance plans

Frequently Asked Questions

What tax rate applies to hvac technician invoices in Singapore?

Singapore has 9% GST. GST is 9% (2024). Registration mandatory above S$1 million turnover. UEN required.

What payment methods are common for hvac technicians in Singapore?

Common payment methods in Singapore include: Bank Transfer, PayNow, GIRO, Credit Card, PayPal. Service calls due on completion. Installations use deposit and balance.

What should hvac technician invoices include in Singapore?

Your invoice should include: GST registration number, UEN, Business address, Client details. For hvac technician services specifically, also include: AC repair, Heating repair, System installation.

How should HVAC technicians price services?

Service calls flat rate or hourly. Installations based on equipment and labor.

Should HVAC include parts in pricing?

Yes, itemize parts with markup. Include refrigerant charges where applicable.

When is GST registration required?

Mandatory if taxable turnover exceeds S$1 million in 12 months.