Product: Johnson Controls York YVAA

Johnson ControlsYork YVAA is a high-performance, variable-speed, air-cooled screw chiller that can deliver up to an 11.6 energy-efficiency ratio (EER) at full load and an integrated part-load value (IPLV) of up to 19.8. Available with a 150- to 350-ton capacity, the chiller uses HFC-134a refrigerant. Sound-attenuation options can reduce its ambient noise by as much as 16 dBA during off-design conditions. • johnsoncontrols.com

About the Author

Wanda Lau

Wanda Lau, LEED AP, is the former executive editor of ARCHITECT magazine. Along with 10 years of experience in architecture, engineering, and construction management, she holds a B.S. in civil engineering from Michigan State University, an S.M. in building technology from MIT, and an M.A. in journalism from Syracuse University's Newhouse School. Her work appears in several journals, books, and magazines, including Men's Health, ASID Icon, and University Business. Follow her on Twitter.

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