Dear All,

Greetings. I am Kartikay Sharma, student for MTech Building Energy
Performance at CEPT University. I am Right now using Simulations as a tool
in my thesis to estimate the energy savings potential of buildings. For
this purpose, I am using DesignBuilder to simulate all ECM/EEMs.

Three of my selected ECMs are :

1. ECBC compliant chiller(centrifugal with 6.3 COP with VAV AHU and VAV
terminal units)
2. VRV systems
3. Radiant cooling

My base-case system uses a water cooled system with an screw chiller of 5.2
COP and Constant Air Volume (CAV) AHU. The problem that I am facing is
that, I am getting higher savings(overall EPI savings) if do ECM1 listed in
table, but looking at case studies the savings from ECM3 should be higher
than ECM1. Similarly I am facing problems with ECM2. The weather selected
for my building is Hot and Dry climate of Ahmedabad.

So I request all the members to help me in the same

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