How long does 9kg gas last? – Gas Installers

It has a total heat output of 7,5 kw with all burners combined. This converts into 0.555 kg/h of lpg consumption. Therefore a 9 kg bottle would last 16 hours of continuous usage with all burners operating. For the average home a 9 kg will last 1-3 months for cooking. Here we have a Alva 3 panel gas heater. Found Here.

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