The pair that escaped before made a dash for it as the hurricane hit. This is different. I say, follow your gut and dismantle the whole room as quickly and carefully as possible. Perhaps he slipped into a crevice between boxes and can't climb out, or something like that. I know you won't sleep well until you have visited every nook and cranny of that room!
He is pretty little. I remember some years back that a large healthy female Iguana named Lucy was found in a neighbor's tree in Laguna Beach after going missing 9 years earlier. She was a tiny greeny when she went missing but her markings were unmistakable. (She thought she was on vacation in Puerto Vallarta!)
Point is, if you "feel" he is still there, I'll bet he is!