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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