Run Makeup Air Unit Seasonal Service Report — Free

Inspection Setup and Unit Identification

Unit identification verified

Record the MAU asset tag, location, and unit nameplate information.

Service area accessible and free of obstructions critical (required)

Access panels, roof access, and work area are clear for safe inspection.

Yes No N/A

Lockout-tagout applied before internal inspection critical (required)

Verify equipment is isolated and secured per site LOTO procedure before opening panels or touching internal components.

Yes No N/A

Inspector name and service date recorded

Document who performed the service and when it was completed.

Required PPE used

Confirm appropriate PPE was worn for the task, such as gloves, eye protection, and fall protection if applicable.

Burner and Combustion Components

Burner assembly clean and free of visible damage critical (required)

Check burners for corrosion, soot buildup, distortion, loose mounting, or signs of flame impingement.

Yes No N/A

Ignition components secure and serviceable critical (required)

Verify igniter, pilot components, and flame-sensing parts are properly mounted and not visibly damaged.

Yes No N/A

Combustion air openings unobstructed critical (required)

Confirm combustion air intake paths are clear and not blocked by debris, ice, or nesting material.

Yes No N/A

Flue or exhaust path visually clear critical (required)

Inspect venting path for visible blockage, deterioration, or disconnected sections.

Yes No N/A

Burner compartment cleaned as needed

Document whether dust, debris, or residue was removed from the burner compartment during service.

Yes No N/A

Gas Pressure and Fuel Train

Incoming gas pressure measured critical (required)

Record the inlet gas pressure at the unit during service.

Note (optional)

Manifold gas pressure measured critical (required)

Record the manifold pressure and compare it to the unit nameplate or manufacturer requirements.

Note (optional)

Gas train fittings free of leaks critical (required)

Check accessible gas train connections, valves, and fittings for evidence of leakage using approved leak detection methods.

Yes No N/A

Gas shutoff valve accessible and labeled

Verify the manual shutoff valve is accessible, identified, and operable.

Yes No N/A

Airflow and Exhaust Balance

Supply airflow measured critical (required)

Record the delivered supply airflow for the MAU.

Note (optional)

Supply airflow within target range critical (required)

Confirm measured supply airflow is within the project or TAB target range.

Yes No N/A

Exhaust balance verified critical (required)

Confirm exhaust airflow is balanced relative to supply requirements and building operating conditions.

Yes No N/A

Belts and pulleys in good condition

Inspect belts for wear, tension, alignment, and visible cracking; verify pulleys are secure.

Yes No N/A

Filters clean or replaced

Document filter condition and whether filters were cleaned or replaced during service.

Controls and Freeze Stat Function Test

Freeze stat function test completed critical (required)

Simulate or verify freeze stat operation per site procedure and document the response.

Yes No N/A

Freeze stat trips and resets properly critical (required)

Confirm the freeze stat initiates the intended safety response and resets correctly after test.

Yes No N/A

Control panel free of active alarms or faults

Check the unit controller for active alarms, fault codes, or abnormal indications.

Yes No N/A

Safety controls operational critical (required)

Verify applicable safeties such as high limit, airflow proving, and interlocks operate as intended.

Yes No N/A

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Run: Makeup Air Unit Seasonal Service Report

Inspection Setup and Unit Identification

Burner and Combustion Components

Gas Pressure and Fuel Train

Airflow and Exhaust Balance

Controls and Freeze Stat Function Test

Get your results