### Comparison of operating costs between natural gas boilers ...

2021-5-6 · Therefore, the operating cost of electric boiler heating 1 ton of hot water is 27.13 yuan. Second, natural gas boiler operating costs 1m3 natural gas heat is 8500kcal/m3×thermal efficiency 100%=8500kcal/m3; The gas consumption of 1 ton of hot water is 35000kcal ÷ 8500kcal m3 = 4.12m3;

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