| I HAVE SEEN ADVERTISED AN AIR NOZZEL THAT USES COMPESSED | AIR TO SPEW OUT EITHER HOT OR COLD AIR. I HAVE NEED OF | SUCH A DEVICE. I DO NOT HAVE THE MANFR. OF THESE. | ANY SUGGESTIONS ?? | Try Exair corporation. 1-800-exair is the phone #. I think their products are limited to cold air though, I'm sure that the process will work to cool or heat air.