This tool will allow you to calculate what your potential gas usage will be on a monthly basis. While every effort has been made to ensure accuracy, all calculations are only estimates for guidance and should not be used as a definitive indication of your gas consumption cost. Dewhot cannot be held liable for inaccuracies arising from the use of the calculator. Please see below
This tool is calculated at 75% of your geysers consumption rate because mostly Gas Geysers will not use 100% of their capacity and this rate calculates a more accurate figure.
Please be aware that there are factors that influence your consumption.
Length of pipes
Thickness of the pipes,
Ambient water temperatures,
Water temperature setting
Length of showers and flow rate (how full you run your tap – watch the bucket test video)
Fluctuating price of LP gas
Running your gas geyser at less than 75% of its maximum rated capacity – MOST COMMON
Running your gas geyser more than 75% of its maximum rated capacity –
Help me choose my geyser
The logic tree is a tool that guides you through a series of questions to help find the gas water heater solution the would be most suitable for your individual home set up.