Originally Posted by
zhilton
Ammonia! Think about it...used in the 3-way fridges of RV's and all the meat packing houses up here use it in the cooler/freezers. You'd know real quick if you had a leak, even the smallest of leaks there will let you know in a heartbeat!
Not sure I would want to try ammonia for A/C, I dealt with enough of it though when doing RV fridges. I put in a replacement, don't remember the exact name, but pretty much it is dry propane. Strange thing is, it's made in the US, used all over the world, but not approved for use in the US because it's flamable. Well.... so is the propane or natural gas coming into your unit for heating.... so....
It cools well and my camp is drafty enough if I have a leak I don't think it could ever concentrate enough to explode
