Chiller plant redesign and building automation system upgrade exceed expectations with a year-one energy use reduction of 875,000 kWh for a 73 percent savings; result in cooling tower water reduction of 47 percent; increase redundancy; poise property for future energy-saving opportunities. Challenge Comfort wasn’t an issue at the West Hasting oce building. The original-construction chillers, installed almost fiy-years ago, were handling load requirements. However, Golden Properties knew there weren’t a lot of years le in the aging equipment and wished to upgrade to new technologies that would not only reduce energy consumption, but also provide options to enable more ecient building operations. Solution Based on an equipment and service relationship with Trane that span

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