Quote Originally Posted by PitOnTheProwl View Post
None.
You don't want your mat an thermostat probe in the enclosure or belly heat. PLUS UTH isn't for heating ambient temperature, only a hot spot.
Your better bet would be a radient heat panel.
Please elaborate. The UTH would be in the enclosure but never in direct contact, because of said material. What do you mean by 'or belly heat'? A UTH is perfectly fine for ambient temperature if it produces the correct heats hot/cool side, which it does, perfectly without fail.