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Commercial roof-top units in Minnesota: characteristics and energy performance

RTUs are used in more than one third of U.S. commercial buildings, the highest of any cooling equipment type. Why? They are reliable and have a low capital cost, as well as established service and distribution networks. There is anecdotal evidence, however, that these systems operate inefficiently. To validate or refute this evidence, we conducted a multi-level field study sponsored by Minnesota Department of Commerce, Division of Energy Resources.

Download the final report and the supplemental document from the Minnesota Department of Commerce, Division of Energy Resources.

 HVAC