I'm planning to add a two Peltier module (TEC 12706 with heatsink on both sides) on a evaporative cooler but I cannot decide where should I put them.
Here's the idea:
Idea B would be good but I'm planning to use this fan in an small room. Humidity will rise and affect the evaporation process or ditch it and move the cooling element close to the air inlet of the centrifugal fan.