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AOT Heater

Home / Instant water heater

Labour from S$180

Instant Water Heater Installation Singapore

Point-of-use wall heaters for a single bathroom — slim, no ceiling tank. Output depends on incoming pressure and wiring.

When instant fits

Most HDB bathrooms run one shower at a time — an instant heater is usually enough and needs no ceiling tank. It heats water as it flows.

Limits: one unit is sized for one outlet. Two showers at once drops temperature and flow. For dual bathrooms, consider storage or one unit per bathroom.

Install & replace

  • Like-for-like hang from S$180 labour
  • Check isolator and cable before hanging a new unit if the circuit trips
  • Market units or customer-supplied after fit check
AOT technician on wall heater in bathroom

AOT technician on a wall heater — αΩ shirt. Not stock photography.

From-prices

Instant install labour from S$180
Repair/diagnose from S$80
Unit + GST extra