Projects
Class A Office Building
Results By the Numbers
- ENERGY STAR score increased from 76 to 96 (20-point improvement)
- EUI score dropped from 70 to 34
- 527,338 rentable square feet of office space optimized
- 21 floors with individual air handling units improved
Retro-Commissioning for Energy Efficiency Success
Global Facility Solutions (GFS) performed a highly successful retro-commissioning project at 800 N. Brand in Glendale, CA, which was recognized as the “Overall Winner” in the 2020 inaugural “Retro Rumble” competition hosted by The Energy Management Association (EMA) and ENERGY STAR.
Project Objectives
- Improve energy efficiency of a 21-story, 527,338 sq ft office building
- Increase ENERGY STAR score
- Reduce Energy Use Intensity (EUI
- Optimize HVAC system performance
Scope of Work
- Conduct facility audit to identify system deficiencies
- Develop a comprehensive retro-commissioning plan
- Provide project management oversight of implementation
- Correct deficiencies in existing building systems
- Install operational enhancements to building automation and control system
Solutions
Comprehensive retro-commissioning services, including:
- Revision of day-to-day HVAC system operations
- Installation of new variable frequency drives for pumps and air handlers
- Control system upgrades to enhance energy management features
- Modifications to set-points, schedules, and energy management features
- Optimization of central cooling and heating system, including chillers, cooling towers, and individual air handlers
The retro-commissioning project, designed and implemented by GFS, delivered significant energy efficiency improvements and cost savings for the 800 N. Brand property, transforming it from a single-tenant headquarters to a high-performing, multi-tenant Class A office building.