Incorporate Minimum Efficiency Requirements for Heating ...

Oil-fired <300000 Btu/h: AFUE: 87%: E t: 84%: E t: 85.5% >10000000 Btu/h b: E t: 81%: a Thermal efficiency (E t) is based on Hydronics Institute Method to Determine Efficiency of Commercial Space Heating (HI BTS-2000 Rev. 06.07). b with input greater than 10000000 Btu/h are not covered by federal purchasing requirements ...

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