Private TN College Maximizes Cooling Efficiency with Xpress

Hassle-free retrofit dramatically reduces consumption, cuts maintenance costs and extends equipment life 

Facility Bio

  • Nashville, TN
  • CHW plant serves over one million sqft of laboratory space and medical research facilities
  • 3,600 tons cooling capacity

Situation

  • Traditional Primary-Secondary hydronic system
  • Low CHW ΔT, high kW/ton
  • JCI Metasys building automation system, no optimization sequence

Solution

  • Convert to full variable flow using Integrated Primary- Secondary® system design
  • Install DPTs
  • Implement tekWorx Xpress optimization solution and Energy Efficiency Dashboard 

 

Results That Exceed Client Expectations

Financial Savings

  • $84,000 in annual energy savings
  • 2.5 year project payback

Energy Impact

  • Over 1,4000,000 kWh saved annually
  • .20 kW/ton efficiency improvement

Operational Benefits

  • Improved CHW flow enabled higher building space temperatures
  • Pumps running in most efficient range, reduced wear and maintenance
  • Real-time data on all CHW equipment makes troubleshooting faster and less expensive
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