ADT/LET Trim-Aire Unit Coolers 1/2 - 6 HP Condensing Units Bohn has set the standard for refrigeration technology, quality and innovation for over 50 years. That’s how we've become one of the industry’s most highly regarded brand names. Today, Bohn offers virtually thousands of high-efficiency, application-matched system configurations designed to reduce utility costs. All backed by a broad range of computerized technical support programs and trained experts