Energy Management through HVAC Controls: Picking the low hanging fruit.

1. Presentation to theInternational Facility Managers AssociationFebruary 21, 2007Presented by Trane

2. Energy Management through HVAC Controls:Picking the low hanging fruit.

3. Energy can be saved in three ways • Turn it off • Make it do less work • Let something you don’t pay for do the work

4. Thank you all very much.Questions?

5. Ten Proven Examples

6. But first, Safety Tip #1

8. Reduces energy costs • Improved comfort conditions • Simple implementation • No Downside Benefits • Tracer DDC existing a plus • Have VAV boxes • Comfort problems • Energy Cost Concerns Target Users Critical Zone Reset Activation of existing Tracer algorithm or add programming Optimizes setting of static pressure Responds to actual building demands

10. Greatly reduced energy costs • Improved comfort conditions • Saves manpower to adjust plant • Reduced equipment running hours Benefits • Have Hot Water Heating • May Have Pneumatics • Energy Cost Concerns • Manually Start/Stop • Manually Set Temps Target Users Hot Water Boiler Reset Addition of Hot Water Reset based on OSA Temperature Allows Interior Zone Reset if Advisable Addition of HW Pump Control

11. Safety Tip #2

13. Greatly reduced energy costs • Improved comfort conditions • Saves manpower to adjust AHU operation • Reduced equipment running hours Benefits • Have Deferred AHU Mnt. • May Have Pneumatics • Energy Cost Concerns • Stuffy Building Problems • Manually Set Temps • Over-ridden OSA Target Users DDC Retrofit on Air Handling Units Addition of DDC Controls to AHUs Optimizes use of OSA Optimizes Fan Control, Heating, and Cooling

14. Increased tenant comfort • Reduced operating costs • Reduced maintenance requirements • Can be paid for with operational funds (savings) Benefits • Large AHUs or RTUs • Variable occupancy • Worst-case design • Energy concerns • Occupant complaints Target Users CO2 Indexed OSA Ventilation The addition of CO2 sensors to control OSA minimums Focus on centralized space set-point control/restraints Focus on scheduling

15. And now for a brief commercial announcement.

16. But first, Safety Tip #3

18. Broad product line to build the system Highest efficiency, competitive cost Tools to design the system • System Analyzer™- Simplified building system comparison • Trace™- Load calculation and operating cost analysis • Selection Tools - Equipment optimization Chillers Controls to operate the system • Pre-engineered / integrated • System optimization • Commissioning / monitoring VAV Box Air Handlers Air Handler Single source responsibility Chiller Zone Units The Trane AdvantageSystems customization and flexibility

19. Trane Controls ProductsOperating as a seamless single system

20. Operator Interface Building Control Unit Control Controls System Architecture

21. Tracer Summit Workstation • Easy to learn, easy to use • Self-paced Daily Operations Tutorial • Links from Tracer Summit software • Web browser-style graphical interface • Flexible, multi-level operator security • Windows NT, 98, 2000, ME, XP

22. Tracer Summit Tenant Services™For facility management • Allows tenants to request after-hours usage of air conditioning and lighting • Generates detailed tenant invoices of after-hours usage • A revenue generator/cost allocator • Increases energy efficiency

23. Energy management and advanced reporting software Provides historical energy and operations information Includes analysis tools Tracer Summit Energy Services™For facility management

24. Back to our show…

25. Greatly reduced energy costs • Reduced run-times • Improved comfort conditions • Great payback investment w/ older inefficient chillers Benefits • Chilled water systems • Single speed CT • Energy Cost Concerns • Constant temp CW/CHW • Winter plant operation • Constant flow CW/CHW Target Users Chiller Plant Upgrade Many opportunity-related project options CW reset, CHW reset, Variable Flow opportunities Cooling Tower air-flow opportunities

26. Reduced energy consumption • Reduced water consumption • Reduced chemical consumption • Decreased required maintenance Benefits • Pneumatic Systems • No Control Systems • Fluctuating Temeratures • Energy concerns • Occupant complaints Target Users Cooling Tower Optimization Designed to reject chiller heat as effectively as possible

27. Safety Tip #4

29. Limits cross contamination of air • Tighter zone control • Energy conservation • Improved diagnostics and monitoring Benefits • Large industrial • Large warehouses • Existing MUAHs • Energy concerned • Pressure/odor problems • Temp/humidity problems Target Users Makeup AHU/Exh. Fan System Zoning Control Application for make up AHUs, and EFs Allows coordination of OSA and zone requirements

30. Maintains or enhances comfort conditions • Reduces fan energy consumption • Reduces system noise • Extends equipment life Benefits • VAV w/inlet guide vanes • VAV w/dump dampers • VAV w/bypass control • Energy concerns • Sound issues • Varying loads Target Users VAV Retrofit from Inlet Guide Vanes to VFD Removes inlet guide vanes and adds VFD Adds DDC precision to duct pressurization

32. Safety Tip #5

34. Recovers after hours operating costs • Easy integration to Tracer Summit • Rapid payback for multi-tenant buildings Benefits • High-rise buildings • Malls • Medical office complex • Owner leases space • Department budgeting Target Users Tenant Services System Tracer Summit add-on software package Tracks tenant (or department) HVAC and lighting usage Generates invoices

35. Reduced electric heat usage in heating mode • Reduced demand charges • Reduced heater tripping and occupant complaints Benefits • VAV with electric heat • Vert. self-contained units • Constructed after 1997 • Energy conscious • Separate OSA unit Target Users VAV Electric Reheat System Modification Re-programs VAV minimums to vary with Heat or Cool Maintains velocity over heating elements only in use Maintains ventilation requirements

36. Safety Tip #6

38. Thank you!