1. Energy Efficiency Assessment Tools
Ashok Kumar
Akhil Kadiyala
Vinay Kumar Nerella
Ravikanth Garimella
Department of Civil Engineering
University of Toledo
Joint A&WMA - SAME Energy Workshop
June 12, 2008

2. Energy Efficiency
Efficient use of energy to obtain desired outputs that involves using alternative technologies operating at lower energy inputs for same purpose.

3. Energy Assessment
A procedure to assess the power consumption with respect to each source.
Basic steps:
1. Determining the amount of energy being consumed for each process/activity.
2. Determining the scope for energy savings and the cost it takes to implement the activities.

4. Energy Equation Energy Gap = Supply – Demand
Total energy production and consumption, (quadrillion BTU)
Source: EIA’s Annual Energy Outlook, 2007

5. Opportunities to Reduce Energy Consumption
Proper selection of optimal systems.
Adequate maintenance of energy using systems.
Understanding energy costs.

6. Energy Efficiency Act 2007: Enhance Energy Efficiency
Optimize energy efficiency.
Improve environmental performance through advanced technologies.
Train engineering and research students to conduct energy assessments.

7. Classification of Energy Assessment Tools
Motor Systems
MotorMaster version 4.0.6
Energy Consumption Assessment
Energy Assessment Sheet (EAS)
Plant Energy Profiler for the Chemical Industry (ChemPEP Tool)
EnVinta One-2-five
Building Sustainability Tool
Virtual Grower
HVAC Systems
Hybrid HVAC System Design Tool 1.0
Building Advice
Fan System Assessment Tool (FSAT)
Combined Heat & Power Application Tool (CHP)
Process Heating Assessment & Survey Tool (PHSAT) version 2.0

8. Classification of Tools (contd.)
Related HVAC Systems
Chilled Water System Analysis Tool (CWSAT) version 2.3
Steam Systems
Pumping system assessment tool (PSAT)
Air Master+ version 1.2.0
Emission Calculations
NOx and Energy Assessment Tool (NxEAT)
Emissions Reduction Calculator
DOE (EIA site)
Sustainability Tools
LEED
BASIX
ENVEST

9. Energy Assessment Tools
Energy Assessment Spreadsheet
Hybrid HVAC System Design Spreadsheet
Building Sustainability Tool
EnVinta One-2-five: ODOD
MotorMaster: DOE

10. Pollution Prevention Tools Web Site
The tools can be accessed at the link given below:

11. Energy Assessment Spreadsheet (EAS 1.0)
Provides a complete break-up and summaries of the total annual energy consumption and cost.
Helps in identifying avenues for energy and cost savings.
Includes separate sections for the major areas of energy consumption – lighting, motors, and HVAC systems.

12. EAS 1.0
Lighting section has three worksheets – Lighting Data, Lighting Cost, and Lighting Cost Reductions.
Motors section has two worksheets – Motors and Motor Operating Cost.
HVAC systems section has two worksheets – HVAC systems and HVAC systems operating cost.

13. Lighting in EAS 1.0
Lighting Data
Lighting Cost
Lighting Reduction

14. Motors in EAS 1.0
Motors worksheet
Motors operating cost worksheet

15. HVAC in EAS 1.0 HVAC system worksheet
HVAC system operating cost worksheet

16. Hybrid HVAC System Design Spreadsheet
This tool is applicable to offices and manufacturing plants.
Various sections in the tool are Input, Walls & Windows, Lighting, Final sheet, and User’s guide.
Helps the user to incorporate a natural ventilation system into a mechanical ventilation system during the design process.

17. Hybrid HVAC 1.0
Input sheet
Walls & Windows Worksheet

18. Hybrid HVAC 1.0
Final Sheet
User’s Guide

19. Hybrid HVAC 1.0 Results

20. Building Sustainability Tool

21. Lights
Washer

22. Dish Washer
Refrigerator

23. Showerhead
Faucet

24. Toilet
Window

25. Output from the Building Sustainability Tool

26. General Equations used in Tool Development
Lighting
Appliances
Fixtures
Insulation

27. General Equations (contd.)
Motor Efficiency
Equation for estimating replacement air heating costs on hourly basis
Equation for estimating replacement air heating costs on yearly basis

28. Tackling Energy Management - Strategically
Traditional Approach
“+”
One-2-Five Approach
Tactical, Project Basis
No context of ongoing Mgmt System
No Long-term Sustainability
Authorities not Commensurate w/ level of Responsibility or Accountability
Strategic, Program Basis
Integrated to Business / Processes
Continuous Improvement Functions
Balanced Organizational Structure, Process, People, and Systems

29. L’Oreal Solon Energy Diagnostic (Source: ODOD)

30. MotorMaster
The U.S DOE MotorMaster helps to analyze motor and motor system efficiency for all the motors in a plant and suggest replacements for less energy efficient units.
The program generates a payback period for the motors to replace existing motors with more efficient motors.

31. MotorMaster

32. Case Study 1: Energy Survey For an Automobile Parts Manufacturing Facility
Areas Investigated
Lighting
Motors
HVAC systems
Water heaters
P2 Tools used
Energy Assessment Spreadsheet
HVAC Checklist
MotorMaster
Emission Reduction Calculator

33. Energy Reduction Estimates

34. Avenues for Reducing Energy Consumption
CO2 reduction (lbs/year)
SO2 reduction (lbs/year)
NOx reduction (lbs/year)
18721
6300

35. Case Study 2: Energy Assessment for a Greenhouse at Sandusky, Ohio
The objective of the assessment was to optimize the new greenhouse heating system for solar, electrical and natural gas energy performance and to significantly reduce consumption of the nonrenewable electric and gas resources.
The assessment produced an estimation of $51,000 as energy savings annually.
Virtual Grower Software from the USDA

36. Potential Savings

37. Conclusion $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
Energy assessment tools are available online for both residential and industrial sectors.
It is possible to reduce energy costs.

38. Acknowledgements US EPA (Mr. Phil Kaplan and Ms. Rita Garner)
OhioEPA (Mr. Bill Narotski)
ODOD (Mr. J. Greenway)
EISC (Mr. Rick Mazur)
TechSolve (Ms. Mary Beth Holley)
CAMP (Dr. A. Gus Eskamani)
EWI (Ms. Margaret A. Hiermer)
UT graduate students

39. References
A. Kumar, S. J Thomas and S. Ojha, “Pollution Prevention Tools For Small And Medium Sized Industries”, CD for Proceedings of the 2002 Conference, A&WMA
S. J. Thomas, A. Kumar, and R. Pendse, “Development of a Hybrid Ventilation System using Natural Night Time Ventilation for Cleveland, Ohio”, Paper # OS-02-25, Proceedings of Ohio Air Pollution Research Symposium, 2002
S. Ghose, A. Kumar, and C. Varadarajan, “Application of Pollution Prevention Tools in Energy Efficiency Assessments”, Paper # 69805, CD for Proceedings of the 2003 Conference, A&WMA

40. Other Useful links

41. Appendix-A

42. Survey of different energy assessment tools
Description
Supplier
Building Sustainability Tool 1.0
The tool helps in evaluating the sustainability of building elements, indoor environment and the occupant behavior, which affects the indoor living quality. The tool utilizes the concepts of energy efficiency, water efficiency, building envelope and indoor environment quality, and occupant behavior to analyze the performance offered to the occupants. This tool was made for analyzing residential buildings and is now being value-added for assessing the industrial buildings as well.
P2 Tools at University of Toledo
Energy Assessment Spreadsheet (EAS)
The spreadsheet is a useful and easy-to-use tool for energy assessments. It provides a complete break-up and summaries of the total annual energy consumption and cost. It helps in identifying avenues for energy and cost savings
Hybrid HVAC System Design Tool 1.0
The HVAC spreadsheet is used for the design of hybrid HVAC systems for a manufacturing facility and associated office building.  It is easy to use and could be modified for a specific plant.  It is hoped that the spreadsheet will be helpful in improving energy efficiency at your plant.
Fan System Assessment Tool (FSAT)
Help quantify the potential benefits of optimizing fan system configurations that serve industrial processes. Calculates the amount of energy used by fan system; determines system efficiency; and quantifies the savings potential of an upgraded system.
U.S Department of Energy
software.html#fsat

43. Survey of different tools (contd.)
Assessment Tool
Description
Supplier
Combined Heat and Power Application Tool (CHP)
Helps industrial users evaluate the feasibility of CHP for heating systems and allows analysis of three typical system types: fluid heating, exhaust- gas heat recovery, and duct burner systems. The tool also estimates system costs and payback period, and performs "what-if" analysis for various utility costs.
U.S Department of Energy
es/software.html#chp
Process Heating Assessment and Survey Tool (PHAST) Version 2.0
Introduces methods to improve thermal efficiency of heating equipment and helps industrial users survey process heating equipment that consumes fuel, steam, or electricity, and identifies the most energy-intensive equipment.
es/software.html#phast
Steam System Tool Suite
(Steam System Scoping Tool (SSST); Steam System Assessment Tool (SSAT) - Version 3; 3E Plus; Steam Tool Specialist Qualification)
DOE offers a suite of tools for evaluating and identifying steam system improvements.
es/software.html#ssat
Chilled Water System Analysis Tool (CWSAT) Version 2.3
Determines energy requirements of a system and evaluates opportunities for energy and costs savings by applying improvement measures.
es/software.html#cwsat
Pumping System Assessment Tool (PSAT) 2008
Helps industrial users assess the efficiency of pumping system operations. PSAT uses achievable pump performance data from Hydraulic Institute standards and motor performance data from the MotorMaster+ database to calculate potential energy and associated cost savings.
es/software.html#psat

44. Survey of different tools (contd.)
Assessment Tool
Description
Supplier
Plant Energy Profiler for the Chemical Industry (ChemPEP Tool)
Provides chemical plant managers with the information they need to identify savings and efficiency opportunities. Tool enables energy managers to see overall plant energy use, identify major energy-using equipment and operations, summarize energy cost distributions, and pinpoint areas for more detailed analysis.
U.S Department of Energy
ware.html#Plant_Energy_Profiler
NOx and Energy Assessment Tool (NxEAT)
Helps plants in the petroleum refining and chemical industries to assess and analyze NOx emissions and application of energy efficiency improvements.
ware.html#nox
Manufacturing Assessment Planner (MAP)
Provides necessary steps and procedures to conduct an eight-hour, integrated energy, environment, and manufacturing efficiency assessment for a small or midsized facility
Rockwell Automation
t/planning.html
Building Advice
It is a portable wireless system for assessing building performance, including energy savings opportunities, HVAC operations, and comfort issues
AirAdvice
EnVinta One-2-Five
Provides energy management solutions for utilities and large commercial, industrial, government and institutional organizations
ENVINTA Corporation

45. Survey of different tools (contd.)
Assessment Tool
Description
Supplier
 Energy Star Home Energy Yardstick
Compares a home's energy efficiency to similar homes across the country and provides recommendations for energy-saving.
Energy Star
=home_energy_yardstick.showStep2
Home Energy Audit
Provides home energy audit identifying the parts of home using most energy and suggests the most effective measures for reducing energy costs.
U.S Department of Energy
s/energyaudithome.html
U.S EPA’s Do-It-Yourself Guide to Home Sealing
The Guide provides step-by-step instructions for sealing common air leaks and adding insulation to the attic.
t/home_sealing/DIY_COLOR_100_dpi.pdf
AIRMaster+ Version 1.2.0
Provides comprehensive information on assessing compressed air systems, including modeling, existing and future system upgrades, and evaluating savings and effectiveness of energy efficiency measures.
es/software.html#air
MotorMaster+ Version 4.0.6
Used for analyzing motor and motor system efficiency
es/software.html#mm

46. Survey of different tools (contd.)
Assessment Tool
Description
Supplier
LEED
Provides green building technologies
Quality Attributes Software
en/modules/interactive-leed-checklist/
BASIX
Ensures homes are designed to use less potable water and be responsible for fewer greenhouse gas emissions by setting energy and water reduction targets for house and units.
Basix Software
rade.jsp
ENVEST
Envest is a software tool that simplifies the complex process of designing buildings with low environmental impact and whole life costs.
BRE Trust Company
VIRTUAL GROWER
A new decision support tool for greenhouse growers.
USDA
oad.htm?softwareid=108