Energy Efficiency Audit Checklist

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This Template was installed 3 times.

Facility Overview & Data Collection

1 of 10

Initial assessment of the facility, gathering key data for analysis. Includes building characteristics, operational schedules, utility bills, and production processes.

Total Facility Square Footage

Number of Employees (Average Shift)

Date of Last Energy Audit (If Applicable)

Brief Description of Manufacturing Processes

Annual kWh Consumption (Last 12 Months)

Annual Therms of Natural Gas Consumption (Last 12 Months)

Peak Demand (kW) – Last 12 Months

Primary Energy Source(s)

Recent Utility Bills (Electricity & Gas)

HVAC Systems

2 of 10

Detailed evaluation of heating, ventilation, and air conditioning systems, including equipment, controls, and maintenance practices.

Total HVAC System Capacity (tons or kW)

HVAC System Type (Check all that apply)

Description of HVAC control system (e.g., DDC, pneumatic, manual)

Supply Air Temperature Setpoint (°F or °C)

Return Air Temperature Setpoint (°F or °C)

Economizer Status (Operational or Non-operational)

Describe any maintenance schedule for HVAC equipment.

Upload recent HVAC system performance data (e.g., energy bills, maintenance logs)

Approximate HVAC System Age (Years)

Lighting Systems

3 of 10

Assessment of all lighting throughout the facility, including interior, exterior, and specialized lighting used for production processes.

Total Number of Fixtures

Fixture Types Present (Check all that apply)

Average Fixture Wattage (W)

Operating Hours Per Day (Lighting)

Lighting Controls Present? (e.g., occupancy sensors, daylight harvesting)

Description of Lighting Control Implementation (if applicable)

Lighting System Layout or Diagram (optional)

Estimated Annual Lighting Energy Consumption (kWh)

Are lights controlled by a lighting management system?

Compressed Air Systems

4 of 10

Evaluation of compressed air generation, distribution, and usage, including leak detection and system efficiency.

Total Compressed Air System Capacity (CFM)

System Pressure (PSIG)

Air Compressor Type(s)

Estimated % of Air Leaks (Visual Inspection)

Description of Leak Detection Methods Used

Compressed Air Uses (Select all that apply)

Compressed Air System Schematic (if available)

Air Receiver Tank Volume (Gallons)

Maintenance Schedule for Compressors and Air Treatment Equipment

Motor Systems & Drives

5 of 10

Review of electric motors, drives, and related equipment, focusing on efficiency and sizing.

Motor Nameplate Voltage (V)

Motor Nameplate Horsepower (HP)

Motor Efficiency (%) - As per Nameplate

Motor Operating Load Factor (%)

Motor Type (e.g., ODP, TEFC, Premium Efficiency)

Detailed observations about motor condition and performance (e.g., noise, vibration, overheating)

Drive Type (Check all that apply)

VFD Efficiency (%) - As per Documentation or Testing

Last Motor Maintenance Date

Process Equipment

6 of 10

Assessment of energy consumption associated with specific manufacturing processes, machinery, and equipment.

Describe the primary manufacturing processes performed in this area.

What is the total annual production volume (units)?

What is the average cycle time for a unit (minutes)?

What type of heat treatment processes are used (if any)?

Which of the following process equipment is present?

Estimated runtime (hours/week) of primary process equipment.

Upload equipment specification sheets (if available)

Describe any observed issues or anomalies with process equipment.

Building Envelope

7 of 10

Evaluation of the building’s structure, including insulation, windows, doors, and roof, to identify heat loss or gain.

Wall R-Value (Existing)

Roof R-Value (Existing)

Wall Construction Type

Notes on Window Condition (e.g., cracked, sealed)

Window Glazing Types Present

Door Type(s)

Air Leakage (Cubic Feet per Minute - CFM)

Water Heating & Usage

8 of 10

Assessment of water heating systems and water usage patterns within the manufacturing process and facility.

Total Water Consumption (Gallons/Day)

Water Heating Energy Consumption (kWh/month)

Water Heater Type

Water Heater Storage Capacity (Gallons)

Water Heater Temperature Setting (°F)

Description of Water Usage Processes (e.g., cleaning, cooling, production)

Water Conservation Measures in Place?

Details about water recycling or reuse systems, if applicable.

Waste Heat Recovery

9 of 10

Identification of opportunities to capture and reuse waste heat generated during manufacturing processes.

Describe current waste heat sources (e.g., exhaust gases, cooling water, process heat).

Estimated temperature of primary waste heat stream (°C or °F).

Estimated flow rate of primary waste heat stream (e.g., kg/h, gallons/min).

Current use of waste heat (if any).

If 'Other' was selected above, please specify the current use.

Potential applications for waste heat recovery (check all that apply).

Estimated potential energy savings (kWh/year) if waste heat recovery is implemented.

Potential challenges/barriers to implementing waste heat recovery.

Control Systems & Automation

10 of 10

Review of the facility's control systems, including building automation systems (BAS) and programmable logic controllers (PLCs), to identify potential improvements.

Current PLC Program Version

Building Automation System (BAS) Present?

Description of Automation Logic & Purpose

Which automated processes are utilized? (Select all that apply)

Number of Programmable Logic Controllers (PLCs)

Is there a centralized data logging system?

Describe any scheduled maintenance or upgrades performed on control systems in the last year.

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