Linesets, Inc. was started in 2002 in Phoenix, Arizona and over the years has been built into the premier line set manufacturer in the USA.

Linesets, Inc. has grown to four manufacturing facilities in the U.S. The 4 strategically located facilities are positioned to provide the ultimate in customer service. Our unique demand flow manufacturing technology allows us to offer the shortest lead times in the industry. In addition, Linesets, Inc. offers the most options in terms of custom lengths, insulation types and sizes than any other manufacturer in the U.S.

Hard and Soft Pre Insulated Straight Lengths- Up to 20' in length are also available.

With a 99% fill rate on first shipments Linesets, Inc. also offers their customers the best fill rates in the industry!