St Elizabeth Florence

Pathian helps hospital achieve 27% energy reduction

Total savings of $284,000 per year

Multiple issues and inefficiencies
  • Various types of air handlers needed to work together to control building pressure and reduce energy spend
  • Critical space pressure compliance issues needed resolved
  • Mentality of being an energy consumer versus an energy manager

Measure. Manage. Maximize.
  • Pathian® provided turnkey engineering, construction management and commissioning services for all controls retrofit work
  • Reprogrammed over 20 AHU’s to Pathian control strategy
  • Automated Central Plant
  • Processed custom and prescriptive rebates for all projects
  • Implemented Pathian Analytics software to track, evaluate and sustain optimal equipment performance


Major numbers. Massive savings.
  • Over $3.1 M cumulative savings since 2012
  • $284,000 per yr annual savings
  • $240,100 per yr estimated electric (3,896,000 kWh/yr @ $0.062 per kWh)
  • $43,900 per yr estimated natural gas (8,706 MCF/yr @ $5.04 per MCF)
  • Improved Energy Star rating from a 16 to 69 from 2012 to 2017
  • 27% reduction in Energy Use Intensity (EUI) from 269 kBtu/sf to 197 kBtu/sf
  • ASHE E2C Award for >25% energy reduction in 2013

Other industries



Florence, Kentucky

Building Facts

Surgical hospital
Built in 1979
390,000 sq ft
169 beds

ENERGY STAR® rating: 81
The results and savings are dramatic. I couldn’t be more pleased with Pathian.
– Matt G, St. Elizabeth Hospital