Private TN College Maximizes Cooling Efficiency with Xpress
Hassle-free retrofit dramatically reduces consumption, cuts maintenance costs and extends equipment life
![](https://www.tekworx.us/wp-content/uploads/2020/03/Case-Study-Icons-10.png)
Facility Bio
- Nashville, TN
- CHW plant serves over one million sqft of laboratory space and medical research facilities
- 3,600 tons cooling capacity
![](https://www.tekworx.us/wp-content/uploads/2020/03/Case-Study-Icons-08.png)
Situation
- Traditional Primary-Secondary hydronic system
- Low CHW ΔT, high kW/ton
- JCI Metasys building automation system, no optimization sequence
![](https://www.tekworx.us/wp-content/uploads/2020/03/Case-Study-Icons-15.png)
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
![](https://www.tekworx.us/wp-content/uploads/2020/03/Case-Study-Icons-13-1.png)
Financial Savings
- $84,000 in annual energy savings
- 2.5 year project payback
![](https://www.tekworx.us/wp-content/uploads/2020/03/Case-Study-Icons-12-2.png)
Energy Impact
- Over 1,4000,000 kWh saved annually
- .20 kW/ton efficiency improvement
![](https://www.tekworx.us/wp-content/uploads/2020/03/Case-Study-Icons-16.png)
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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