Place the cage in the most coolest place in ur home, and make it a permanent spot for their cage.. Coz they r most secured in the surrounding they knew already, meaning no changing the location here n there. They will get stressed easily.

If dont have a/c, then have to give the chinchilla dust bust more often than those housed in a/c, to keep their fur dry n clean, so less hot to them.. Marble tiles or cooling pads for small animals can be put in cage to help more cooling down. Ice pads near the cage, towel dips in icy cold waters then fanned to the cage indirectly, can also be done..

If dont have a/c, please dont get them wheels, coz they can get heated up n die of heat stroke when they finished their running, coz they r not being housed in a/c. If got a/c, it ok to have wheels for them. But no wheel in malaysia is suitable for them so far.. Coz after they used the wheel, they will get heated up, and in a non a/c place, they cant cool down as fast as those in a/c, so they can die of heat stroke..

Some forumers here do actually have totoro but don have a/c also..