Mike,
I recommend that you use an electric heat pump from one of the example files, add custom part load curves and report the heat pump gas usage as a separate meter. Finally, check the heat pump gas usage and just consider it to be electricity.
James V Dirkes II, PE, BEMP, LEED AP
www.buildingperformanceteam.com
Energy Analysis, Commissioning & Training Services
1631 Acacia Drive, Grand Rapids, MI 49504 USA
616 450 8653
From: EnergyPlus_Support@xxxxxxxxxxxxxxx [mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx] On Behalf Of Mike Lee
Sent: Wednesday, February 20, 2013 8:03 PM
To: E+ support
Subject: [EnergyPlus_Support] Gas Heat Pumps
I am modeling an office building with 11 ton packaged gas fired heat pump unit. Is there an example file I could use as a starting point? I apprecaite any
help.