July 27, 2016, 9:00 am

Project Profile: Simpson Hall – University of Florida

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For University of Florida alumni and residents, the city of Gainesville is affectionately referred to as “The Swamp.” It was exactly that muggy humidity and those high temperatures that plagued the school’s buildings, prompting renovations to the electrical and HVAC systems in Simpson Hall. Last renovated in the mid 1970s, the 34,847-square-foot residence hall was in dire need of an HVAC update.

Chad Doering, mechanical engineer and project manager, Moses & Associates, Inc., Gainesville, specified the new HVAC system. “We wanted to be able to dehumidify and maintain indoor pressure, which was not something we were able to do well with the previous system.” He recognized that a Variable Refrigerant Flow (VRF) system would not only achieve these goals, but would do so cost-effectively – both in terms of the lifecycle-cost analysis he completed, and with the money saved by installing less equipment. Doering said, “This install covers 143 zones and if we wanted to give each student personalized control, we would have needed a branch controller for each zone – that’s 143 branch boxes. With Mitsubishi Electric, we only needed 15 boxes – and five of those were for the outdoor units.”

Our VRF systems are not just more efficient than the competition’s, they are incomparably more energy-efficient than conventional units. The chart below demonstrates the energy savings at Simpson Hall compared to North Hall – a comparable residence hall renovation the school completed around the same time, but with a chilled-water system:

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The success of the Simpson Hall renovation prompted the school’s housing department to select our products for a second project – Cypress Hall. Despite being one of the largest residence hall construction projects on campus, the HVAC installation at Cypress Hall cost just $26 per square foot – beating Simpson Hall’s installation costs by an average of $4.

To learn more about how Simpson Hall compares to the installations in North Hall and Cypress Hall, check out the case study.

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