why r-22 is used in window ac ? and not r-134 ?
In window ac why r-22 is used ? can we make a window ac with r-134 ?
- Fred KLv 78 years agoFavorite Answer
R22 is now banned (in Montreal Protocol signature countries) for new equipment
R134 is used in cars etc, would also work anywhere etc, just needs slight re-engineering from R22 - seals, oil, pressures etc.
Other refrigerants exist, including propane and ammonia