INDUSTRIAL HVAC ENERGY OPTIMIZATION CHECKLIST 2026

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--- PRE-AUDIT EQUIPMENT INVENTORY & DOCUMENTATION ---
[ ] Audit Date
[ ] Facility/Site Location
[ ] Equipment Asset ID/Tag Number
[ ] Equipment Type (Chiller, Air Handling Unit (AHU), Boiler, Cooling Tower, RTU (Rooftop Unit), Exhaust Fan)
[ ] Installation Year
[ ] Maintenance Log/Manual Upload
[ ] Current Equipment Condition Notes
[ ] Auditor Signature

--- THERMOSTAT & CONTROL SYSTEM CONFIGURATION ---
[ ] Last Calibration Date
[ ] Controller Type (Programmable Thermostat, Smart/IoT Controller, BMS-Integrated Controller, Manual Analog Controller)
[ ] Standard Temperature Setpoint (°C/°F)
[ ] Active Control Features (Occupancy Sensors, Humidity Control, CO2 Monitoring, Time-of-Use Scheduling, Remote Access/Cloud Control)
[ ] Configuration Discrepancies & Observations
[ ] Controller Wiring Diagram or Manual
[ ] Technician Verification

--- AIR DISTRIBUTION & FILTRATION EFFICIENCY ---
[ ] Filter Condition Status (Clean, Partially Clogged, Needs Immediate Replacement, Critical Failure)
[ ] Airflow Measurement (CFM)
[ ] Last Filter Replacement Date
[ ] Inspected Components (Supply Air Ducts, Return Air Ducts, Air Handling Unit (AHU) Belts, Dampers & Louvers, Diffusers & Grilles)
[ ] Ductwork Leakage or Damage Observations
[ ] Photographic Evidence of Filter/Duct Condition

--- CHILLER & COOLING TOWER OPTIMIZATION ---
[ ] Inspection Date
[ ] Chiller Operational Status (Operational, Degraded Performance, Maintenance Required, Out of Service)
[ ] Measured Approach Temperature (°C)
[ ] Completed Maintenance Tasks (Condenser Coil Cleaning, Refrigerant Leak Test, Cooling Tower Water Treatment, Pump Lubrication, Sensor Calibration)
[ ] Observed Anomalies or Leakage Details
[ ] Chiller Performance Report / Photos
[ ] Technician Verification

--- BOILER & HEATING SYSTEM PERFORMANCE ---
[ ] Inspection Date
[ ] Boiler Combustion Efficiency (%)
[ ] Burner Operational Status (Optimal, Sub-optimal, Requires Immediate Repair)
[ ] Heat Exchanger Scale/Corrosion Observations
[ ] Insulation Integrity Checkpoints (Steam Pipes, Hot Water Lines, Valve Jacketing, Flanges & Fittings)
[ ] Boiler Maintenance Log Photo/Document
[ ] Technician Verification

--- VENTILATION & AIR EXCHANGE RATES ---
[ ] Damper Operational Status (Fully Functional, Partial Obstruction, Malfunctioning/Stuck, Requires Immediate Repair)
[ ] Measured Outdoor Air Flow Rate (CFM)
[ ] Ventilation Inspection Points Covered (Intake Louvers, Exhaust Fans, Supply Air Ducts, Return Air Grilles, CO2 Sensors)
[ ] Observation Notes on Air Leakage or Leakage Points
[ ] Photos of Airflow Sensors or Damper Mechanism
[ ] Last Calibration Date of Air Quality Sensors

--- VARIABLE FREQUENCY DRIVE (VFD) & MOTOR INSPECTION ---
[ ] VFD Operational Status (Operational, Fault/Error Code Detected, Maintenance Required, Non-Functional)
[ ] Current Motor Operating Frequency (Hz)
[ ] Measured Motor Amperage (A)
[ ] Visual Inspection Checklist (No visible overheating or discoloration, No abnormal vibration or noise, Conduit and wiring are secure, Cooling fans/heatsinks are clean)
[ ] VFD Error Log & Fault History Notes
[ ] Thermal Imaging/Thermography Report
[ ] Technician Verification

--- BUILDING ENVELOPE & THERMAL INTEGRITY ---
[ ] Window & Glazing Condition (Excellent (No leaks/fogging), Fair (Minor seal degradation), Poor (Significant thermal leakage))
[ ] Insulation Defect Observations
[ ] Identified Leakage Points (Door Seals, Window Frames, Wall Penetrations, Roof/Attic Access, Ceiling Tiles)
[ ] Estimated Thermal Leakage Rate (BTU/hr)
[ ] Thermal Imaging Photos
[ ] Inspector Verification

--- ENERGY MONITORING & DATA INTEGRATION ---
[ ] Data Extraction Date
[ ] Current Energy Meter Reading (kWh)
[ ] Sub-metering Integration Status (Fully Integrated, Partial Integration, Manual Logging Required, No Metering Available)
[ ] Monitored Parameters (Temperature, Humidity, Airflow (CFM), Pressure Drop, Power Factor)
[ ] Data Discrepancy Observations
[ ] Energy Usage Report (CSV/PDF)
[ ] Auditor Verification

--- POST-OPTIMIZATION ACTION PLAN ---
[ ] Summary of Identified Energy Waste
[ ] Priority Maintenance Tasks (Immediate Repair Required, Scheduled Maintenance, Equipment Replacement Recommended, Sensor Calibration Needed, Software/Firmware Update)
[ ] Estimated Annual Cost Savings (USD)
[ ] Implementation Deadline
[ ] ROI Calculation Report
[ ] Facility Manager Approval

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