Quote Originally Posted by CloudtheBoa View Post
No, I'd heat the room to the temperature where you can maintain the rack temperatures, but keep the UTH for a hot spot. If you just heat the room to a certain temp and drop the UTH, they will only have one temperature to choose from, making them unable to choose the temperature they need.
And to clarify many people do that without any issue, I am one of them providing only ambient temps during a time of the year and not providing a hot spot.

To the OP yes it is doable but it might be more costly too, you will have to see on your next electric bill.