re auto air conditioning without freon rovax tobias convex com allen tobias writes better still years ago they demonstrated a cold air system which only used air it was called a rovax the unit worked very well the short coming was the seal technology where is it today as i recall from reading posts here a while back rovax rovacs died because it was larger and noisier than the competing cheap r systems of it day probably a case of bad timing i think the system would have a better chance today now that r systems are on death row but investors may be hard to come by a second time jon hacker get the os march beta cd rom caltech pasadena ca for call ibm os hacker tumbler ridge caltech edu read about it in comp os os beta
