I live in Canada and my house is very drafty in the upstairs due to low insulation. Currently my house sits at 72-74 degrees but it can get pretty cold at night, especially when my room the snake is in has two massive windows. my ambient temps are really taking a beating, I have my BP in a relatively large enclosure (40 gallons) and the 75W doesnt really get the ambient temps around where I want them (they sit at about 78 with a basking spot of around 92). So I was thinking of getting a bigger UTH to cover most of the hot side of the enclosure, because I didnt realize that UTH's are for raising ambient temp, so I only bought a small mini UTH for a 5 gallon or less tank. I was hoping with a larger UTH I can keep the substrate at around 80, and have a basking spot of around 92-94. I think this setup sounds ideal. do you have any opinions?