Also good places to look, under the fridge, the diswasher, cupboards that have loose floor boards and are close to heat vents. the heat vents themselves, any obvious source of warmth, closets, under the bed.

We found our burm in the inside of a reclining chair once....had to remove the back and it took nearly 2 hours to get him dis- entangled from the springs in the back. The chair was a heated type with massage and he climbed right in.
He was unhurt but the chair was never the same .

We also found our escape artist Ball python in a bath cabinet that had a heating vent under it (we still dont know why they put a vanity cabinet over the heat vent, and had no idea it was there till we found the snake)

I wish you luck.