Originally Posted by NoNickName
For peter_1: for household appliance I meant something to be installed in the house. Of course, if the plant is remote, or in an appropriate technical room, there's no problem with ammonia.
It's true I don't have to smell it, but safety is preventive, not protective. So everybody should take care of something that could happen, not something that is not supposed to.
I don't know what could be the COP and performance. I'm afraid it is difficult to find appropriate small compressors for small capacities and NH3, but I really don't know. We are not dealing with ammonia.