
By Paul “The Plumber” Sullivan, licensed contractor and trainer. 20 years in attics, basements, and rooftops, repairing the exact same 3

By Paul “The Plumber” Sullivan, licensed contractor and trainer. 20 years in attics, basements, and rooftops, repairing the exact same 3



Running your mini-split system smoothly relies on a correctly installed line set. This essential component is responsible for transporting heat transfer fl