CHICAGO–MILWAUKEE SERVICE CORRIDOR
(773) 835-5323
Guardian Filter Service

FACILITY MANAGER RESOURCE

How to Build a Commercial HVAC Filter Replacement Schedule

A defensible schedule starts with equipment identity, approved filter specifications, operating conditions and a named owner.

01

Inventory before frequency

Record every participating unit, filter position, dimensions, depth, quantity and accepted efficiency before selecting intervals.

02

Use evidence, not a universal rule

Manufacturer guidance, operating conditions, loading observations and customer requirements should inform the cadence.

03

Close every interval

Record completion, quantity, exceptions and the next review date so the schedule stays current.

NEXT STEP

Turn the records into a controlled program.

Guardian can review buildings, equipment, procurement requirements and documentation before proposing a scope. An inquiry does not reserve service or create a contract.

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