Worried about escaped balls survivability

[SteelPython]

So long story short due to moving house and painting I moved my approx 1 1/2 year old, 2.5 ft, 350g, normal ball python Luther to my mums for a month. Last Sunday I went to feed him and after not eating again (been 4 months now) I left the f/t mouse in the viv for my sis to get rid of later. This was the last I saw him. She say she binned the mouse later that night and closed the glass. When she went to change the water on Tuesday she noticed he wasn't in there. The missus and I went from work to help look but to no avail. Checked everything we could. Stripped the bed, chest of drawers, wardrobe, cupboards bedside tables ect. But found nothing. We've left the viv open on the floor and a electric blanket down with a hide on to tempt him with the heat but still nothing. After doing all we can to proactively find him I'm starting to get worried about how long he'll survive. The house isn't particularly warm, about 15-20oC and apart from his water in the viv and the toliet in bathroom there aren't that many places for him to drink and as far as I know no rodents around for him to eat. Anybody know roughly how long he'll could last? I know it's a bit of a "how longs a piece of string" type question but we are fully out of ideas now and worrying like hell.
Thanks.

[KMG]

Look everywhere, even the places you don't think it could fit.

Also check the kitchen, specifically behind, under, and in the refrigerator motor area. It seems like that is the most common place I have seen them found after some time has passed from the escape.

[O'Mathghamhna]

You could always try the old "throwing flour on the floor" if you have hardwood floors to see if it gets disturbed. It will narrow down the areas where he could be. Good luck!

[SteelPython]

So he was left upstairs in a 3 bed house, I've throughly checked the bedroom he was left in and checked the others less throughly. Also placed flour across the thresholds of the bedrooms so we can see if he's moved into or out of any rooms. We haven't properly checked downstairs on the basis that in a cold house after not eating for 4+ months he's not going to be too active. As we're not living there its difficult for us to throughly search and we're worried he'll succumb to the cold before we find him. 😭

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[erich_7719]

I feel for you. We had our "pet" BP get out about a month or so ago. She found her way into the vents and some how ended up in our snake room ing the basement.

If there is an entertainment center in the house, I would check that out as well.

Best of luck to you.

[LittleTreeGuy]

I'd maybe put some prey (live) in a box with some hoes in it in the middle of a room, at night. Get some place where you can see it and just wait. Maybe that won't work, but I know most animals, when they're hungry, and smell food, they'll come looking for it.

[O'Mathghamhna]

I'd maybe put some prey (live) in a box with some hoes in it in the middle of a room, at night. Get some place where you can see it and just wait. Maybe that won't work, but I know most animals, when they're hungry, and smell food, they'll come looking for it.

HEY NOW!!!!!