Middle School Home Energy Audit






Guidelines for Public Agencies

Energy-Efficiency Measures List

1.0 Envelope

1.1 Reduce Heat Losses-Ceiling/roof

1.11 Additional Ceiling/Roof Insulation
1.12 Exhaust Attics
1.13 Use Light-Colored Roof Surfaces
1.14 Roof Sprinkling/Spray System

1.2 Reduce Heat Losses-Walls/floors

1.21 Additional Wall Insulation
1.22 Additional Floor/Slab Insulation
1.23 Use Light Colored Exterior Surfaces
1.24 Thermal Mass/Passive Solar Heating

1.3 Reduce Heat Losses-Windows/Doors

1.31 Install Additional Glazing Layer
1.32 Install Movable Insulation
Multilayer reflective roller shade device
Operable insulating slats
Quilted insulating draperies
1.33 Use Special Coatings or Gases
Heat mirror
Low-e coatings
Argon gas window fill

1.4 Reduce Heat Gain--Windows/Doors

1.41 Install Exterior Shading
1.42 Install Interior Shading
1.43 Use Tinted or Reflective Coatings or Films
1.44 Optimize Window Sizing and Orientation

1.5 Reduce Infiltration

1.51 Caulk and Weatherstrip Doors and Windows
Dock shelters/seals
Install air curtains
1.52 Install Air-Lock Vestibule System or Revolving Doors

2.0 Lighting

2.1 Reduce Lighting Required
2.11 Utilize Task Lighting
2.12 Lighting Controls
Selective switching
Programmable timing control
Occupancy sensors
Energy management system
2.13 Use Light-Colored Interior Wall Finishes

2.2 Install More Energy-Efficient Lighting System

2.21 Use High-Efficiency Fixtures
HID fixtures in selected locations
Efficient exit signs
Self-ballasted compact fluorescents
2.22 Use Efficient Exterior Fixtures
High-pressure sodium HID fixtures
Metal halide fixtures
2.23 Use High-Efficiency Ballast

2.3 Use Daylighting

2.31 Install Dimming Controls
2.32 Architectural Modifications

3.0 HVAC Systems

3.1 Air Distribution Systems
3.11 Reduce Energy Losses
Increase duct insulation
Install air-to-air heat recovery
Runaround loop heat recovery
3.12 Reduce System Flow Rates
Airflow and fan speed reduction
VAV system to reduce fan energy use
Variable speed drive motor for VAV
3.13 Reduce System Resistance
High-efficiency filters
Improve design and balance of duct system
3.14 Reduce Ventilation Loads
Reduce ventilation rate to minimum
Install local ventilation and makeup air hoods
3.15 Air Destratification
Enclosed high-velocity fan
Open propeller fans
Ductwork system with centrifugal or vane axial fans

3.2 Water/Steam Distribution

3.21 Reduce Energy Losses
Increase pipe insulation
Steam-trap monitoring system
3.22 Reduce System Flow Rates
Primary/secondary pumping with variable speed motors
Isolate off-line equipment in parallel piping circuits
Time control or interlocks on circulating pumps
3.23 Reduce System Resistance
Install booster pumps

3.3 Heating Plant

3.31 Improve Boiler or Furnace Efficiency
Match boiler size to load
Install multiple boilers
Condensing hydronic boiler
Increase heat transfer area
Preheat combustion air or fuel supply
Boiler water treatment
3.32 Install High-Efficiency Heat Pump
Air-to-air heat pump
Dual-fuel heat pump
Water-source heat pump
Ground-source heat pump
3.33 Install Radiant Heating System

3.4 Cooling Plant

3.41 Select More Efficient Cooling System
Use evaporative cooling
Use cooling tower instead of air-cooled system
Use heat recovery chiller
Direct cooling: well, pond, lake, or river
3.42 Improve Cooling Efficiency
Optimize chiller efficiency with temperature controls
Use multiple chillers and optimization controls
Increase chilled water design temperature
Optimize cooling tower flow controls
3.43 Increase Condensing Efficiency
Lower condenser water design temperature
Reset controls on water temperature
Tube-brush cleaning system
Chemical washing system
3.44 Improve Part-Load Performance
Select chillers based on Integrated Part Load Value (IPLV)

3.5 Control Systems

3.51 Demand Limiting EMCS/DDC
3.52 Optimize Start/Stop
3.53 Duty Cycling Control System (Reduce unoccupied ventilation)
3.54 Supply Temperature Setup/Setback Control System
Install programmable thermostats
Install controls and hardware to optimize hot-and-cold deck reset
3.55 Install Economizer Control System
3.56 Boiler Control Strategies
Draft control modifications
Barometric or flue shutoff dampers
Outside air temperature reset or heating lockout
Boiler optimization controls
Hi/low, modulating, or reduced excess air burner
Install flu gas analyzer-trim control

3.6 Thermal Storage Systems

3.61 Water Storage Tanks
3.62 Ice Storage Systems
3.63 Rock Bins

4.0 Water Heating

4.1 Reduce Water Heating Loads
4.11 Use Low Water Use Devices
4.12 Use Local Booster or Point-of-Use Heaters
4.13 Preheat Feedwater with Reclaimed Waste Heat
4.14 Timeclock Controls to Reduce Unoccupied Loads

4.2 Reduce System Losses

4.21 Increase Insulation on Hot Water Pipes
4.22 Increase Insulation on Water Storage Tanks

4.3 Install More Energy Efficient Water Heating System

4.31 Use Heat-Pump Water Heaters
4.32 Solar-Assisted Water Heater

5.0 Power Systems

5.1 Reduce Power System Losses
5.11 Correct Power Factors
5.12 Install Energy-Efficient Transformers

5.2 Install Energy-Efficient Motors

5.21 High-Efficiency Motors
5.22 Multispeed. Motors
5.23 Variable-Speed Motors
5.24 Optimize Motor Sizing

5.3 Reduce Peak Power Demand

5.31 Demand Limit Controls (See 3.5 1)

6.0 Refrigeration

6.1 Improve Controls
6.11 Optimize Defrost Cycle Control
6.12 Optimize Condensing Unit Capacity Control
6.13 Install Floating-Head Pressure Control

6.2 Reduce Refrigeration System Losses

6.21 Install Refrigerated Space Doors or Curtains
6.22 Increase Insulation of Refrigerated Area

6.3 Improve Refrigeration System Efficiency

6.31 Multiple Compressors and Controls
6.32 Increase Condensing Unit Efficiency
6.33 Select High-Efficiency Compressor
Reciprocating compressor
Screw compressor
Rotary compressor
Parallel unequal reciprocating compressor

7.0 Miscellaneous

7.1 Heat Recovery
7.11 Install Double-Bundle Chillers
7.12 Reclaim Heat from Combustion System Flue
7.13 Reclaim Heat from Steam Condensate
7.14 Reclaim Heat from Waste Water
7.15 Laundry Process Heat Recovery
7.16 Reclaim Heat from Exhaust Air (See 3.11)
7.17 Pool Dehumidification Heat Recovery System

7.2 Install More Efficient Ancillary Equipment

7.21 Elevator/Escalator Optimization
7.22 Install Pool Cover


Created for the Fermilab LInC program sponsored by Fermi National Accelerator Laboratory Education Office and Friends of Fermilab, and funded by United States Department of Energy, Illinois State Board of Education, North Central Regional Technology in Education Consortium which is operated by North Central Regional Educational Laboratory (NCREL), and the National Science Foundation.


Authors: Sue Emmons, Powell Middle School, Littleton, CO; Kevin Lindauer, John F. Kennedy High School, Denver, CO; Linda Lung, National Renewable Energy Laboratory, Golden, CO; John Sepich, Scott Carpenter Middle School, Westminster, CO; ; Janet Stellema, Monarch K-8, Louisville, CO; Edited by Marge Bardeen NTEP II Project PI.
Webmaster: ed-webmaster@fnal.gov
Created: September 9, 1998 revised July 30, 2001
URL: http://www-ed.fnal.gov/ntep/f8/projects/nrel/student/energyeffic.html