Noob grow room question

Planning on running a 600 and 1000 hps in same room and wondering the best way to cool them. I think they both have 6" cooling circles on the sides so can i just get a fan and use it for them both? I have a problem with it getting too hot.

duct them up, and have squirrel cage fans blowing the hot air out.

is the squirrel fan something that attaches onto my reflector?

go to meanards or lowes and get a in line duct boosterbout 30 bucs and it'll do the job!