About Us

Linesets, Inc. was started in 2002 in Phoenix, Arizona by Dan & Tammy Berlyn 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. Linesets, Inc unique demand flow manufacturing technology allows them 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 Available.

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

In recent years, Linesets Inc. has added Climate Components to their offering with a variety of products ranging from HALSTEAD copper tube and copper fittings,  SOUTHWIRE thermostat wire, mini-split control wire, tools, connectors and EZ-IN mini-split cable, K-FLEX Titan ER, Titan EPDM, EPDM and Elastomeric Rubber .