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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AFUE Savings Calculator for Furnaces and Boilers

The AFUE Savings Calculator is designed to help you compare the heating costs of furnaces boilers and heat pumps with different efficiency ratings (expressed in AFUE or HSPF) and fuel types. The calculator estimates your heating cost savings over a one

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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 ...

Learn More