Article: Preparing rooftop units for summer use.(FOCUS: ROOFTOPS & AIR HANDLERS)

You have sunscreen? Check. Sunglasses? Check. Bottles of water and/or other liquids to keep you hydrated in the heat? Check. OK, so you're equipped, but are the rooftop units you install, service, and/or maintain ready for summer?

There isn't a lot of work involved in the actual switching over of a rooftop unit from winter to summer use, but the units still call for attention.

Bruce Anderson, vp of marketing, CES Group Inc., Chaska, Minn., spoke about maintenance on a packaged rooftop air handler. He said, "Most of the commercial air handlers have few items in need of changeover. Oftentimes, the same handler is used for both heating and cooling. If the ...

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