Boston Teaching Hospital Cuts Water and Energy Use

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


  • Variable/Primary hydronic system design
  • Static CDW and CHW supply temperature setpoints year
  • Invensys building automation system in good shape, no optimization sequence


  • 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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