MrPEX Systems: Leading radiant floor heating systems suppliers in North-America

MrPEX® Systems, founded by Tomas Lenman, is one of the leading radiant floor heating and domestic hot and cold water systems suppliers in North American marketplace using PEX Tubing with exclusive distribution for LK PEX AB/Sweden.

The core product, MrPEX® Tubing, is considerably more flexible, kink-resistant and able to hold more pressure than any other Pex Tubing on the market today. The MrPEX® Radiant Panel Heating System is a complete heat distribution system, consisting of tubing, fittings, manifolds, controls and accessories that are matched for high performance and reliability over many years of service. When used together, these components provide trouble free installation and long-term reliability. The MrPEX® PE-Xa and PEX multilayer pipes as well as fittings meet current national standards of performance and dimensional tolerances.

Besides its product range MrPEX® PEX-a Barrier Tubing, MrPEX® PEX-AL-PEX Tubing, MrPEX® Manifolds and Fittings & Accessories for radiant floor heating systems, the company offers two links, one for MrPEX® Install Guide and another for MrPEX® Radiant Design Software. For the second link MrPEX® is now offering a Free 30 Day Trial. Introducing the new MrPEX® Radiant software for the design and quotation of MrPEX® radiant heating and snow melting systems, MrPEX® Radiant is a valuable time-saving tool, and it is easy-to-use for both beginner and advanced system designers. It will also integrate with LoopCAD®, helping you to complete the entire design package fast.

Who is MrPEX®

photo: MrPex Systems
photo: MrPex Systems

MrPEX® – Tomas Lenman – started at Wirsbo Bruks AB in Sweden as a development engineer in 1971, developing the very first PEX process ever invented. He developed many Standard Specifications for PEX Tubing in Europe and Australia. MrPEX® wrote the ASTM F 876/877 for PEX Tubing during 1982-84. In 1982 he co-authored the book “Water and Pipes”. He founded and managed Wirsbo Company (USA) 1984-1992 and continued consulting for this group until 1996. He authored the CSA B137.5 standard for PEX Tubing in 1989.

MrPEX® managed the successful start-up of Roth Industries PEX Tubing Division 1997-2001 after which he started his own radiant floor heating supply company: MrPEX® Systems using PEX Tubing with exclusive distribution in North America for LK PEX AB in Sweden. The unique production process is invented by Mr. Lennart Aagren of Sweden, previously manager of Uponor Innovation AB for many years, and his second innovation of a PEX Tubing manufacturing process.

contact: MrPEX® Systems, Inc., Northfield, USA,,