five years old AC does not use Freon
所有跟帖:
• 有的,以前加过refrigerant, 就是氟利昂吧? -高筋粉- ♀ (0 bytes) () 07/03/2018 postreply 17:37:14
• Must be R-410A, if the AC unit is 5 years old, which is EPA-requ -philipzm246- ♂ (0 bytes) () 07/03/2018 postreply 18:16:24