Every filter change filed before you leave the site.
Every unit's filter sizes, counts and ratings on file, each set due on the customer's schedule, and a load list so the truck leaves with the right filters.
Your customer sets this interval; no rule fixes one.
The rules, with where each one came from.
Each date this app counts and each check it runs on a save is listed here with its source and the day we last read it. Where a rule lives in a paid standard, we cite it and keep the same facts in our own layout; we never copy the standard's text or forms.
2
sourced rules in this trade, each read on or after Oct 29, 2026.
Dates it counts
Filter change: the interval set in change interval (months) from the last changed.Set per customer; no rule fixes this interval.
Your contract
What it checks when you save
MERV runs from 1 to 16, and the higher the number, the better the filter traps particles of a given size. HEPA filters are rated outside the MERV scale.From EPA, What is a MERV rating? (a summary of the standard), checked Oct 29, 2026.
For reference
The EPA's guidance is to replace filters on the filter maker's recommended schedule.From EPA, What is a MERV rating? (a summary of the standard), checked Oct 29, 2026.
For reference
Asked, and answered from the rule.
What does the MERV number on an air filter mean?
MERV runs from 1 to 16, and the higher the number, the better the filter traps particles of a given size. HEPA filters are rated outside the MERV scale.From EPA, What is a MERV rating? (a summary of the standard), checked Oct 29, 2026.
Are HEPA filters rated on the MERV scale?
MERV runs from 1 to 16, and the higher the number, the better the filter traps particles of a given size. HEPA filters are rated outside the MERV scale.From EPA, What is a MERV rating? (a summary of the standard), checked Oct 29, 2026.
How often should commercial HVAC filters be changed?
The EPA's guidance is to replace filters on the filter maker's recommended schedule.From EPA, What is a MERV rating? (a summary of the standard), checked Oct 29, 2026.
What it keeps for you.
Unit
Unit tag, Unit type, Location, Manufacturer, Model, and more.
Filter set
Position, Nominal size (W x H x D, inches), Count, Filter type, MERV, and more.
What your client receives.
The filter change record, as the app issues it the moment the filter change is saved: signed, dated and frozen, with what is next due. This one is filled with invented records so you can read it before you sign up.