HVACP

WIN 2017/18

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T he Center for Sustainability at Johnson County Community College, Overland Park, Kansas, set aggressive goals for the college, including becoming a 100 percent renewable energy campus by 2050. This commitment affected every building project on campus, including Galileo's Pavilion, a 3,000-square-foot academic building. Super-efficient practices and prod- ucts, including Mitsubishi Electric Cooling & Heating variable refrigerant flow technology, have made Galileo's Pavilion a true showcase of sustain- ability and earned LEED Platinum certification. Jay Antle serves as the executive director for the Center for Sustainabil- ity, as well as a professor of history. He said, "This is an age where sustainabil- ity and green building are going to be increasingly important. We wanted a place for technology to be on display — for students to learn about renewable energy, energy efficiency and what pio- neering, high-performance buildings look like. And the students themselves had expressed interest in having a cutting-edge building on campus to serve as a learning lab for sustainability — so that's where the project began." The JCCC contacted Studio 804, a nonprofit in Lawrence, Kansas com- prised of KU School of Architecture, Design and Planning graduate stu- dents. These students design and con- struct technologically sophisticated, green buildings under the direction of Dan Rockhill, distinguished architec- ture professor and Studio 804 founder. Rockhill said, "We designed Galileo's Pavilion using our current knowledge of sustainable design. We took advan- tage of the daily and seasonal cycles of nature to passively cool, heat and daylight the building, as well as supply electricity and utility water." For HVAC, Rockhill said, "We had three distinctly separate spaces. Although they're in the same building, the loading on them is different. So that resulted in three separate air condi- tioning and heating solutions – or, zon- ing. "We pride ourselves on promoting sustainable everything, so HVAC is no exception." VRF was the clear choice. Rockhill had used Mitsubishi Elec- tric VRF on a recent project — KU's Center for Design Research — and had been impressed. "Mitsubishi [Electric] is, first of all, a leader in its field. That's the most important thing. Many of the others follow, but Mitsubishi [Electric] developed the variable refrigerant con- cept. They know what they're doing. For Galileo's Pavilion, we wanted to demonstrate the most technologically advanced equipment in the industry. So VRF and its capacity to simultaneously cool and heat all of the spaces within the building was a fit." He continued, "Mitsubishi [Elec- tric] was also very generous in work- ing with us on the engineering aspect of the Center for Design Research. I thought that was a real strength. Mitsubishi [Electric] gets passive solar, and gets that it's the sum of the total of all the parts that makes the systems positive. "Installation went quite well. The Mitsubishi [Electric] units are compact and easy enough to install that the whole thing really was pretty simple," said Rockhill. Everything is monitored through a building automation system, explained Michael Rea, JCCC's sustainability project manager. "The Mitsubishi [Electric] system is integrated so we can see humidity or change set-points, for example." He continued, "Everything with the Mitsubishi [Electric] system has been going well. No compressor failures, no leaks, no fan problems, nothing. Our maintenance is easy, too – just chang- ing the filters and making sure the condensers are clean." Another sign of success: LEED Platinum certification. Rea said, "For us in the center, we were excited to get something above Silver, our current standard. Galileo's Pavilion is a show- case about what a sustainable building can be on a campus. We were also hon- ored to receive the 2013 CSI Kansas City Chapter Innovation in Sustain- ability Award for the building." Antle said, "I am fortunate to teach a class in Galileo's Pavilion and can personally attest to how students have positively responded to this building. The classrooms have a very comfort- ing feel about them. And while the students are here, they are learning both actively and passively about what high-performance buildings can really be. They leave wondering why other buildings don't have the features this one does. And so in that sense, Galileo's Pavilion is perhaps the crown jewel of Johnson County Community College's green portfolio." CHECK OR CIRCLE #153 Galileo Pavilion reaches great heights in sustainability, VRF technology Showcasing Green From top: The Center for Sustainability at Johnson County Community College in Overland Park, Kansas set aggressive goals for the college, including becoming a 100 percent renewable energy campus by 2050. > A super-effi cient HVAC system for an academic building is designed to showcase sustainability. case study /VRF HVACPproducts.com HVAC & Plumbing Product News \ Winter 2017/2018 32

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