The number of LPG cylinders you need depends on how much gas you use, what you use it for and how many people live in your home. You can use the table below as a guide.
|Application||Number in household||Estimated Annual Refills|
|Home heating only||Not applicable||6-9|
|Water heating only||2||4-6|
|Water heating only||4||6-9|
|Water heating only||6||9-12|
Each gas cylinder contains 45kg of gas when full, which is the equivalent of to 625 kWh of energy.