Quote Originally Posted by mrshawt View Post
Sometimes it's hard for a UTH to get to its proper temp if the house is cold to begin with. Usually, they have no problem maintaining the temp once it's reached. Do you have a space heater you could try using temporarily?
Yes, I believe so... I'll look for it later, and see if that helps. We don't have much temperature control here, since it's rarely needed in San Francisco!