Put them in there and hold your hand over the opening until they settle a bit :D
Rinse and repeat, once a couple will go in, the rast will follow. Might take a few times before they 'get it'.
This works good if you've been handling them and they are scared to absolute death of you.
Make the room they are in as cooler and cooler each day.
Can you close the door and open a window a bit to cool room without cooling whole house?
Haha, awesome. I'm gonna try this!
Unfortunately, my husband and I recently bought our home and we don't have a screen in the window of the room the chickens are in so I'm unable to leave the window open at night. Our 6 chicks we're talking about also share a room with 5 (turning 5 weeks old) bantams in a separate coop. As I'm trying to cool the room for our other 6, I worry about the little minis getting too chilled... even though I suppose they should be adjusting to the cooler temps too. I just read somewhere that bantams don't handle cold as well as standard size chicks. I would put the standard size chicks in a different room but I don't have many options, it's only a 2 bedroom/1 bath with a little office (chicken room).
We have a small garage but it is just a shell... no electricity or insulation so, the garage may be as bad as putting them in the coop.