1. Whole Building Retro-Commissioning at BU’s Photonics Center
March 15, 2016

2. Photonics Center Built in 1995 275,000 sq ft B-9 Floors Mixed use:
Presentation Title
5/20/2018
Photonics Center
Built in 1995
275,000 sq ft
B-9 Floors
Mixed use:
Wet labs
Dry labs
Clean Rooms
Classrooms
Offices

3. Base Case Building-wide simultaneous heating/cooling
Presentation Title
5/20/2018
Base Case
Building-wide simultaneous heating/cooling
High air changes per hour ( ACH)
No further capacity of exhaust system on West Side
500 1st generation VAV controllers limited memory
Controllers attached to 10MB Network Controllers

4. Keys to Success Buy-in from upper management
Presentation Title
5/20/2018
Keys to Success
Buy-in from upper management
Support from, and partner with, BU EHS
Coordination of day-to-day space access

5. Technical Assistance Study
Presentation Title
5/20/2018
Technical Assistance Study
Eversource funded 25%
National Grid funded 25%
Boston University funded 50%

6. Technical Assistance Study
Presentation Title
5/20/2018
Technical Assistance Study
ECMs Identified:
AHU Optimization
Conference, Classroom, & Office Ventilation Reduction
Lab Hood and Make-up Air Reduction
Strobic Fan Motor Replacement and VFD Retrofit
Boiler Controls Upgrade
Chiller Plant Integration and Optimization
Process Free Cooling

7. Savings Summary 2.2M kWh or 20% 90K Therms or 25% IRR +/- 25%
Presentation Title
5/20/2018
Savings Summary
2.2M kWh or 20%
90K Therms or 25%
IRR +/- 25%
Savings realized by going beyond “typical” RCx and incorporate “fundamental” design changes/optimizations

8. Benefits Occupant comfort Operational improvements
Presentation Title
5/20/2018
Benefits
Occupant comfort
Operational improvements
“New” capacity for the future lab expansion