Boiler Thermal Efficiency (%)

Ciaran McCabe

Director

Passive Dynamics Sustainability Consultants

LEEDuser Basic Member

12 thumbs up

January 9, 2017

Is there a formula for calculating the Boiler Thermal Efficiency using HHV. Should the modeled boiler efficiency be seasonal taking into account part load conditions. Is there any ASHRAE / LEED reference ?

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Marcus Sheffer

LEED Fellow

7group / Energy Opportunities

LEEDuser Expert

4454 thumbs up

Wed, 01/11/2017 - 15:11

You don't use a seasonal efficiency value. You use the boiler efficiency at rated conditions under 10 CFR part430/431. Then there is a boiler efficiency curve applied which contains the part-load efficiency.