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  Cambridge M-Series Makeup Air with Evaporative Cooling

  Watch this feature of our Cambridge M-Series Makeup Air units with Evaporative cooling! To learn more about our makeup air technology, visit our our products page.
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  No Welding Required

  Written by Bill Meyer, Cambridge Applications Engineer For years we have worked with an industrial retrofit contractor. He often installed vertical S-Series heaters in locations where space was at a premium, both indoors and outdoors. Since Cambridge did not provide a stand for vertical units, he had a structural engineer design a four-legged stand made from 2” x 2” square tubing. The legs would be cut to length in the field and a base plate welded to the leg. This system worked alright but did cause occasional difficulties. Depending upon requirements at the plant where he was installing the heaters, he may have to obtain a burn permit each day, which could result in a delay of an hour or more until the inspector could arrive. He also had to ensure a qualified welder was on the crew, with the appropriate equipment. When possible, he would set up a welding area within the plant so he only had to set up his equipment once. This simplified the burn permit process, but often resulted in double handling the stands when transporting them to and from ...
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  No More Skinny Ducts

  Written by Bill Meyer, Cambridge Applications Engineer An industrial retrofit contractor who has used Cambridge S-Series heaters for years asked us to provide discharge ductwork. Some of the heaters were vertical stand mounts and some were horizontal stand mounts. The duct we provided was sized to fit the discharge opening of the heater for the vertical mount. For the horizontal mount, our standard downturn was basically rotated 180° and the duct was sized for the discharge opening.  Our contractor commented that he liked the duct. However, it would be easier to work with and be more stable if it was redesigned with a broader, more square, cross section. Cambridge decided to redesign the upturn and the ductwork to make it easier to work with in the field. The upturn and 3’, 4’ & 5’ vertical duct extensions have since been added to our standard product offering. ## Cambridge has been actively supporting our contractor partners with industrial retrofit heating/ventilating projects for over 40 years. Projects include: aluminum rolling mills, automotive/farming/construction/mining equipment manufacturers, tire plants, electrical appliance & motor manufacturing, corrugators, insulation product manufacturing, steel processing ...