Just wanted to let you guys know something learned with the coaltrol after a lot of futzing. If you got into the setup mode and scroll thru the different parameters, scroll thru them all and stop at max feed. Leave it there. It will hold the max feed rate and never change the feed unless you want to increase it or decrease it with the up/down buttons. Cold night, bang the max feed rate up 3-4 and go to bed in a couple hours. In morning bring it down 3-4 if the day is gonna be sunny. The nice thing about doing this is I'm not worrying about overshoots and I've found the heat soak method (~18-24 max) works well. Everyone may be different on your max setting.
My wife is happy and that is 80% of the battle, right comrades?