The information in this section is for reference only. The actual consumption
may vary due to different power rating (Kilowatt) of appliances and different
models / brand names. Also, change in weather conditions, more frequent use of
appliances, using inefficient or faulty appliances and leaving appliances
switched on unnecessarily, etc. may affect the overall consumption.
All the estimated monthly and annual consumption, charges and saving plans are
calculated based on the following assumptions:
The average residential tariff rate is $1.125 per unit.
There are 30 days in a month.
There are 7 months with hot weather and 5 months with cold weather in
calculating the annual charges for water heater.