## Product Related Information

• ### Energy Cost Savings Calculator for Commercial Boilers ...

Base model - Values represent a 1000000 Btu/hour gas-fired hot-water boiler operated for 1500 full-load hours per year with a thermal efficiency of 80%. The performance of this standard unit is based on ASHRAE 90.1-2007. Thermal efficiency (E t) - Represents a boiler's energy output divided by energy input as defined by ANSI Z21.13. A boiler's thermal efficiency rating should be used to ...

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• ### How to Calculate Operation Cost of Gas Fired Boiler

The operation cost of gas fired boiler includes several aspects: 1. First of all the largest proportion is the cost of boiler fuel that is gas boiler consumption * gas unit price accounting for about 90% of the total cost. Acoording to unit tonnage boiler gas consumption and natural gas unit price it can be calculated; 2.

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• ### Purchasing Energy-Efficient Large Commercial Boilers ...

Make a Cost-Effective Purchase: Reduce Operating Costs by Buying a FEMP-Designated Product FEMP has calculated that a 3000000 Btu/h gas-fired hot water commercial boiler meeting the required combustion efficiency level of 95.0% E c saves money if priced

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• ### How to calculate the gas consumption of a gas steam boiler ...

In one year it can save the company the fuel input cost of 50000 to tens of thousands (depending on boiler capacity and maintenance quality). 4 boiler output The output of a 1 ton boiler is 700000 kcal and so on. The output of a 10 ton boiler is 7 million kcal. Second the fuel consumption calculation formula

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• ### Estimating Costs and Efficiency of Storage Demand and ...

Fuel type and cost (your local utility can provide current rates) Then use the following calculations: For gas and oil water heaters. You need to know the unit cost of fuel by Btu (British thermal unit) or therm. (1 therm = 100000 Btu) 365 X 41045 ÷ EF X Fuel Cost (Btu) = estimated annual cost of operation. OR

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• ### Estimating Costs and Efficiency of Storage Demand and ...

Fuel type and cost (your local utility can provide current rates) Then use the following calculations: For gas and oil water heaters. You need to know the unit cost of fuel by Btu (British thermal unit) or therm. (1 therm = 100000 Btu) 365 X 41045 ÷ EF X Fuel Cost (Btu) = estimated annual cost of operation. OR

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