Quote Originally Posted by MissterDog View Post
I probably should have clarified about the UTH itself not doing anything for ambient temps, but ambients being influenced by the house/room's temps if a UTH is used alone, since there is no good way to install any additional heat sources in a tub set up (if op goes that route) which is why I thought it was worth noting.

So op I apologize for any confusion, Craiga cleared everything up on what you need to know.
I knew you knew what you were saying, just wanted to clarify for the OP