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How Long Does a 5KG / 9KG Gas Bottle Last In a Patio Heater?

Considering a 40,000-50,000 BTU patio heater, a 9 kg or 20-pound gas bottle or tank will last 9-10 hours, while a 5 kg or 11.23-pound gas bottle will last around 4-5 hours. The amount of BTU capacity usually determines the consumption rate of energy. The propane will last less than any low-BTU-producing outdoor heater if …

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