[Bldg-sim] Baseline system type for fossil fuel/electric hybrid

[Duggin, Cory]

The predominant condition is the one that serves the largest conditioned area.  This note is referring back to G3.1.1 exception a which allows the use of additional baseline system type(s) for non-predominant conditions if they are greater than 20k ft2.

Cory Duggin, EI
Energy Engineer I
direct: 615-346-1939



From: bldg-sim-bounces at lists.onebuilding.org [mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of Nicholas Blanton
Sent: Thursday, January 16, 2014 9:55 AM
To: bldg-sim at lists.onebuilding.org
Subject: [Bldg-sim] Baseline system type for fossil fuel/electric hybrid

Hello,

A project I'm building the energy model for is considering switching to electric heat. I understand that generally you would use the predominant HVAC system, so if the "predominant" system is electric, you would use System 8. See highlighted excerpt below.

My question to you is: what qualifies as "predominant"? Is there some percentage of energy consumption assigned to gas and electricity that signifies either as being dominant?

Thank you for the clarification.

[cid:image001.jpg at 01CF12A2.1BB62EC0]


Nicholas E Blanton
Mechanical Engineer  |  Graduate

Arup
1120 Connecticut Avenue NW  Suite 1110  Washington DC 20036  USA
t +1 202 729 8220    d +1 202 729 8241
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www.arup.com<http://www.arup.com/>


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