Quote Originally Posted by Mr. Misha View Post
That's COMPLETELY wrong! Not sure if you ever even had a RHP, but RHPs are made exactly to provide ambient heat for an enclosure.

OP: If you need to raise your ambient temp in you PVC enclosure, RHPs are a great way to go. Just make sure they're hooked up to a thermostat.
Pardon me. I DO have RHPs. And I use several. I also have talked about them extensively with Rich at Reptile Basics and the good folks at Pro Products. Please do a little more research on the subject and please do not assume or make such strident accusations. Your response is rude.