I?ve got a building in Colorado where the water side HVAC has an evaporative cooling tower and heat exchanger to cool down the water/glycol mix in a separate system passing through the cooling coils in the air handling units. For heating, there are boilers for the Hot Water system and the heating coils in the air handling units. I?ve been trying to model this in eQuest as a Chilled Water Coil/Hot Water Coil system without success. The chiller system in the chilled water coil requires there to be a chiller somewhere in the loop. When I switch to an evaporate cooler system, then there?s no provision for the hot water coils. Am I missing something easy here? Any suggestions for how this system should be structured?