[Equest-users] EEM vs. new model

[Matt Clough]

Salutations eQuesters,

I'm doing a simple comparison between a chilled water and DX system.  It would seem that this is a great opportunity to use the EEM, and the simulation predicted that the CHW configuration would be more energy efficient than the DX system.  To be conservative, I also made a copy of the baseline model and changed the system from chilled water to DX.  Using this method, the simulation predicts that the DX system would be more efficient (although not by much).  Which result is most accurate?  The building is a car dealership with a large showroom and an air-conditioned parts storage area.

The geometry and building envelope are not exact, but I made this decision because we are doing this for comparison purposes, so the geometry and construction will be the same.
I have let eQuest autosize both systems.

Sincerely,
Matt Clough
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