In a few instances, Porta-Air has temporarily installed portable rentals in basements to offset the heat dissipation from the other refrigeration equipment. When the condensing unit of a refrigerator or beverage display case is located in the basement, another form of cooling is needed to maintain the basement temperature. If the basement temperature is not maintained to within reason, the refrigerator or display case will not operate properly. In the Andersonville neighborhood of Chicago, we installed a water-cooled unit in the basement to cool down the air-cooled condenser coils of walk-in refrigerators. A temporary air unit was needed since the permanent mini split that normally provided cooling, failed.

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Porta-Air’s portable water cooled rental unit is ideal for bars where minimal space is available. Shaped like a small bookcase, it nicely fits into tight areas, clear of traffic. The airflow can be regulated through the main upper control board to give great throw, or it can be adjusted to minimize the noise level.

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Pictured below is a OP60, 208/230 V, single phase 5-ton AC Rental unit installed in a cafeteria. The condenser air is ducted through a window opening and plugged into a 50 A independent circuit. An identical portable air unit was located on the other end of the dining space.

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Some portable air-cooling installations are straight forward and can be hooked up quickly, while others involve more time to install. Temporary water and condensate lines were installed above a drop ceiling and routed through a hallway, down a stairwell and into the basement where adequate water pressure and drainage was located.

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In some of the temporary cooling installations, placement of the units is critical so heat can be properly ducted out of the space. If condenser ducting is not properly installed, heat will be added to the space from the portable AC unit, thus compounding the problem.

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A Classic Plus 14, Spot Cooler Unit is shown with unit plugged in to a dedicated outlet, which is in an unused spare patient room. The cool air from the AC rental unit is being directed through two 5” nozzles to the Medical Director’s Office.

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