A note of Table G3.1.1A of ASHRAE 90.1-2007 states that "For all-electric buildings, the heating shall be electric resistance". I am not a native English speaker and I don't know the definition of "all-electric building". Is it a building that is heated through electric resistances? Does that note mean that if the proposed building is heated by eletrical resistances also the baseline model shall be heated in that way? Regards
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Marcus Sheffer
LEED Fellow7group / Energy Opportunities
LEEDuser Expert
5909 thumbs up
February 28, 2013 - 12:22 pm
All electric means that there are not other fossil fuel sources used by the building systems for heating or cooling. So an all electric building could be electric resistance heat with DX cooling, ground source heat pumps, water source heat pumps with electric boiler, variable refrigerant flow systems, etc.
This particular note is part of the line above it referring to lab spaces. So it says that if your building is heated and cooled with an all electric system use electric resistance heat in those spaces instead of the systems required for the system 5 or 7.