For cooling purposes, the mixed air temperature of an air handling unit is set to maintain what temperature? Power Engineering For cooling purposes, the mixed air temperature of an air handling unit is set to maintain what temperature? a) 5ºC b) 7.5ºC c) 10.5ºC d) 12.5ºC e) 15ºC Answer: D Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+