Provide detailed identification information for the building and specific Air Handling Unit being inspected. Accurate metadata ensures traceability, proper benchmarking of performance data, and regulatory compliance documentation.
Building Name or Property Identifier
Complete Building Address
Property Type Classification
Pure Office Building
Mixed-Use (Office/Retail)
Office with Data Center
Medical Office Building
Government Office Building
Other Commercial Office
Total Floor Area Served by This AHU (in square meters)
Air Handling Unit (AHU) Unique Identifier or Asset Tag
AHU Manufacturer & Model Number
AHU Original Installation Date
AHU Design Capacity (in m³/h or CFM)
Specific Zones, Floors, or Tenant Spaces Served by This AHU
Overall AHU Operational Status Rating (1=Critical Issues, 5=Excellent)
Inspection Date & Time
Primary Inspector Full Name
Inspector Professional Certification or License Number
Outdoor Ambient Temperature at Time of Inspection (°C)
Outdoor Relative Humidity at Time of Inspection (%)
Outdoor Air Quality Index (AQI) at Time of Inspection
Date of Last Comprehensive Inspection for This AHU
Has this AHU undergone any major modifications, retrofits, or repairs since the last inspection?
Describe the modifications including date, scope, contractor name, and impact on system performance:
Are there any currently known operational issues, alarms, or fault conditions with this AHU?
Describe the operational issues, their duration, and current impact on building occupants:
Upload AHU nameplate photograph showing model, serial number, and capacity
Record all critical performance measurements for airflow, thermal comfort, and indoor air quality parameters. All measurements must be taken at designated sampling points using calibrated instruments. Follow-up questions will appear if readings are outside acceptable threshold ranges.
Measured Supply Airflow Rate (in m³/h or CFM)
Measured Supply Airflow as Percentage of Design Capacity (%)
Is the measured supply airflow within ±10% of the design capacity?
Explain the airflow deviation, potential causes (e.g., belt slip, damper position, blockages), and recommended corrective actions:
Measured Return Airflow Rate (in m³/h or CFM)
Measured Outdoor Air Intake Rate (in m³/h or CFM)
Total Pressure Drop Across Filter Bank (in Pa or inches w.c.)
Is the filter pressure drop within the manufacturer's recommended operating limits?
Document the measured pressure drop, manufacturer's recommended limit, and urgency for filter replacement:
Supply Air Static Pressure (in Pa or inches w.c.)
Supply Air Temperature (°C)
Return Air Temperature (°C)
Mixed Air Temperature (°C)
Supply Air Relative Humidity (%)
Average Space/Zone Temperature (°C)
Average Space/Zone Relative Humidity (%)
Are space temperature and humidity within acceptable comfort ranges (typically 20-24°C, 30-60% RH)?
Document the out-of-range conditions, affected zones, and potential impact on occupant comfort and health:
Air Quality Parameters Compliance Assessment
Carbon Dioxide (CO2) concentration below 1000 ppm | |
Total Volatile Organic Compounds (TVOC) below 500 µg/m³ | |
Particulate Matter PM2.5 within WHO guidelines | |
Particulate Matter PM10 within WHO guidelines | |
Formaldehyde (HCHO) below 0.1 mg/m³ | |
Ozone (O3) within acceptable limits |
Carbon Dioxide (CO2) Concentration in ppm - Representative Sampling Point
Is the CO2 concentration below 1000 ppm indicating adequate ventilation?
Document the CO2 level, specific sampling location, and recommended actions to increase outdoor air intake:
Total Volatile Organic Compounds (TVOC) Concentration (µg/m³)
Is the TVOC concentration within acceptable limits (<500 µg/m³)?
Document the TVOC level, potential contamination sources (e.g., cleaning products, furnishings), and mitigation strategy:
Particulate Matter PM2.5 Concentration (µg/m³)
Particulate Matter PM10 Concentration (µg/m³)
Are PM2.5 and PM10 levels within WHO guideline values?
Document the particulate levels, potential filtration system deficiencies, and recommended filter upgrades or repairs:
Formaldehyde (HCHO) Concentration (mg/m³)
Is formaldehyde concentration below 0.1 mg/m³?
Document the formaldehyde level, potential off-gassing sources (e.g., building materials, furniture), and remediation plan:
Ozone (O3) Concentration (ppb)
Measurement Instrument Serial Number(s) and Model(s)
Last Calibration Date of Primary Measurement Instruments
Number of Sampling Points Used for IAQ Assessment
Description of Sampling Point Locations and Measurement Methodology
Upload photographs of measurement setup and sampling point locations
Document all filter conditions, replacement activities, and system cleaning operations. Include photographic evidence and detailed chemical usage records for compliance traceability and warranty purposes.
Filter Bank Condition Assessment & Replacement Schedule
Filter Location / Position in AHU | Filter Type / Construction | MERV Rating or Efficiency Class | Dimensions (mm or inches) | Installation Date | Visual Condition Rating (1=Poor/Damaged, 5=Excellent) | Measured Pressure Drop (Pa or inches w.c.) | Recommended Replacement Date | Replacement Completed During This Inspection | ||
|---|---|---|---|---|---|---|---|---|---|---|
A | B | C | D | E | F | G | H | I | ||
1 | ||||||||||
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4 | ||||||||||
5 |
Were any filters found to be damaged, improperly installed, showing signs of bypass, or loaded beyond capacity?
Describe the filter integrity issues, specific locations, immediate corrective actions taken, and potential impact on air quality:
Upload photographs of filter condition (before and after replacement) showing frame seals and installation integrity
Summary of Filter Replacement Activities Performed During This Inspection
Was chemical cleaning of cooling coils, heating coils, or heat exchangers performed during this inspection?
Describe the coil cleaning procedure, chemicals used, contact time, and post-cleaning verification results:
Was condensate drain pan cleaning, flushing, and biocidal treatment performed?
Describe drain pan cleaning method, contaminants removed, and biocidal treatment product applied:
Was ductwork cleaning, sanitation, or remediation performed in any zones served by this AHU?
Specify zones cleaned, cleaning methods (mechanical, chemical, UV), contaminants removed, and post-cleaning verification:
Chemical Cleaning Agents Used During Maintenance
Chemical Product Name | Manufacturer | Active Ingredient(s) or Chemical Composition | Concentration or Dilution Used | Application Method & Contact Time | Safety Data Sheet (SDS) Reference Number | Rinse / Neutralization Verified Complete | ||
|---|---|---|---|---|---|---|---|---|
A | B | C | D | E | F | G | ||
1 | ||||||||
2 | ||||||||
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5 |
Were all cleaning chemical applications performed strictly according to manufacturer safety guidelines and local regulations?
Document any deviations from standard procedures, additional safety measures implemented, and risk mitigation steps:
Waste Disposal Method for Contaminated Filters and Cleaning Residues
Upload waste disposal manifests, certificates of destruction, or recycling documentation
Upload before and after photographs of coil and drain pan cleaning results
Document all occupant complaints related to indoor environmental quality received since the last inspection. Categorize complaints by type, assess severity, and develop a prioritized corrective maintenance plan with clear accountability and timelines.
Total Number of IAQ-Related Complaints Received in the Past 6 Months
Complaint Category Breakdown & Severity Assessment
Complaint Category | Number of Reports | Severity Rating (1=Minor, 5=Severe Health Impact) | Primary Affected Zones / Floors | Investigation Findings & Root Cause | Resolved | ||
|---|---|---|---|---|---|---|---|
A | B | C | D | E | F | ||
1 | |||||||
2 | |||||||
3 | |||||||
4 | |||||||
5 |
Have any complaints been recurring, escalated to management, or involved multiple occupants in the same zone?
Describe the recurring issues, previous failed remediation attempts, and why problems persist:
Root Cause Analysis Summary for Unresolved or High-Severity Complaints
Corrective Maintenance Action Plan with Resource Allocation
Issue or Deficiency Identified | Detailed Proposed Corrective Action | Responsible Personnel or Department | Target Completion Date | Estimated Cost | Priority Level (1=Low, 5=Critical Health/Safety) | ||
|---|---|---|---|---|---|---|---|
A | B | C | D | E | F | ||
1 | |||||||
2 | |||||||
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5 |
Does the corrective maintenance plan require support from external contractors, specialists, or consultants?
Specify required external services, selection criteria, procurement timeline, and budget approval status:
Preventive Measures Implemented to Avoid Future Complaint Recurrences
Have building occupants been notified of inspection findings and the planned corrective maintenance actions?
Explain the communication plan, timeline for occupant notification, and key messages to be delivered:
Upload occupant complaint logs, investigation reports, or correspondence
Final certification and approval section. The Chief Building Engineer confirms the completeness and accuracy of the inspection data. The Property Manager acknowledges receipt of findings and commits resources for corrective actions. Both signatures are legally binding and required for compliance documentation.
Full Name & Title
Engineer Employee ID or Professional License Number
Sign-Off Date
I certify that I have personally reviewed all inspection data, measurements, and observations recorded in this form and attest to their accuracy and completeness to the best of my knowledge and professional ability.
Were any critical deficiencies or immediate health and safety hazards identified during this inspection that require emergency action?
Describe the critical deficiencies, immediate actions taken to mitigate risk, and emergency notification procedures activated:
Is a follow-up inspection or re-verification recommended within 30 days due to identified issues?
Justify the need for accelerated re-inspection and specify which parameters will be re-evaluated:
Chief Building Engineer Signature
Full Nama & Title
Sign-Off Date
I acknowledge receipt of this inspection report, understand the corrective maintenance actions required, and accept responsibility for allocating necessary resources to ensure compliance with indoor air quality standards.
Do you approve the budget and resources requested for the corrective maintenance plan documented in Section 4?
Explain budget constraints, alternative remediation approaches, or phased implementation plan:
Property Manager Signature
Additional Comments, Special Instructions, or Escalation Notes
Should this report be escalated to corporate facilities management, legal department, or regulatory authorities?
Specify the escalation recipients, rationale for escalation, and regulatory framework reference:
Attach any supporting documentation, reference standards, equipment manuals, or additional photographic evidence
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