Heating zilla with 150 che

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My question is how do you heat this hide to ambient temperature if you have this type of hide out

It seems to me that you have an ambient heat problem. I hope you don't mind me borrowing this picture from your gallery, but it gives a better impression of you whole set up.

I love the size of this enclosure, but its size makes it tough to heat. I suggest you cover the screen top, as much as you can without blocking the CHE. This will also make the humidity easier to maintain. Insulate the sides too. This will have the added benefit of making your BP feel more secure.