[Bldg-sim] Hybrid System - Definition?

Will Mak wmak at epsteinglobal.com
Thu Jun 9 11:56:34 PDT 2011

That's how we've interpreted it also. Pretty much if it's not completely electric heat, it's hybrid (in terms of ASRHAE 90.1 App G)


William Mak, LEED AP BD+C
Mechanical Design Engineer



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From: bldg-sim-bounces at lists.onebuilding.org [mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of Hall, Brendan
Sent: Thursday, June 09, 2011 1:47 PM
To: Chris; BldgSim Mailing List
Subject: Re: [Bldg-sim] Hybrid System - Definition?


I've tried to find a specific definition before with not a whole lot of luck. We've taken it as pretty much anything at is not purely sourced from the electrical grid. The example that I always run into is primary heating using a heat pump with a natural gas fired boiler as backup/supplemental heat. So it would be an electric/fossil hybrid. If anyone comes across an official definition I would be interested in seeing it.


Brendan Hall, M.Sc.
Mechanical Engineer


3135 Euclid Avenue
Cleveland, OH  44115
P  216.391.3700

F  216.391.0108
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W www.karpinskieng.com <http://www.karpinskieng.com/> 



From: bldg-sim-bounces at lists.onebuilding.org [mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of Chris
Sent: Thursday, June 09, 2011 2:26 PM
To: BldgSim Mailing List
Subject: [Bldg-sim] Hybrid System - Definition?


Trying to track down the definition of a hybrid system according to ashrae. 

Does anyone know where that definition can be found?


Chris Flood BSc (Eng)
Senior Building Analyst

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