Boston Teaching Hospital Cuts Energy and Water Use
Xpress® chilled water plant optimization solutions cut energy bills by a third while maintaining patient comfort and compliance
Facility Bio
- Boston, MA
- 800-bed teaching hospital
- 2,400 tons cooling capacity
Situation
- Variable/Primary hydronic system design
- Static CDW and CHW supply temperature setpoints year
- Invensys building automation system in good shape, no optimization sequence
Solution
- Integrate tekWorx Xpress® with existing Invensys system
- Supervisory control architecture to keep all existing equipment and wiring in place
- Install Energy Efficiency Dashboard
Results That Exceed Client Expectations
Financial Savings
- Energy costs reduced 33%
- 1 year project payback
- $30,000 utility rebate
Energy Impact
- Over 2,000,000 gallons of water saved annually
Operational Benefits
- Real-time energy data on all chilled water equipment
- Equipment running in most efficient range, reduced wear and maintenance needs
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