how do i get it not so warm

[hilljob26]

well,when it was cold,i was gripin cause it wasn't warm enough,now that its warm,im gripin cause its too warm,i dont want to change mt thermostat cause it runs great at 190-200 degrees,but im not sure on how to keep it from getting so warm in the cab,i tried disconnecting the blower motor,but that didnt help much,any you guys have any bright ideas that isnt going to overheat my truck,im running 2 12" electric cooling fans,with a 4-core,are shut off valves on the heater lines ok,if so,do i need 1 or 2,and if i only need 1,does it matter which line i put it on,and what are the best ones to get.all help is very much appreciated...mike