Profile: G.E.O. Heat Exchangers, LLC provides heat exchanger repair and fabrication services. Our services include re-rolling, individual tube testing, pocket tube installation, pop a plug installation, sleeving services and ASME welding. We specialize in the repair & re-tubing of air cooled exchangers, double pipe exchangers, refrigeration exchangers and surface condensers. We offer tube plugs in chrome, nickel, titanium, duplex stainless, copper, aluminum and steel materials.