---
entity_id: "CMP-ashrae-52-2-merv"
entity_type: "compliance"
package_version: "2.0.0-rc1"
publication_status: "informational_reference_human_review_required"
last_verified: "2026-07-14"
confidence: "High"
public_safe: true
---

# ASHRAE 52.2 / MERV

## Direct answer
General ventilation filter rating system; not directly interchangeable with HEPA/M-Class vacuum filters.

## Human route
[Open the best current Depureco USA page](https://depurecousa.com/depureco-contact-us/)

## Direct answer
General ventilation filter rating system; not directly interchangeable with HEPA/M-Class vacuum filters.

## Feature Impact
MERV competitor/comparison only

## Materials
- HVAC/general ventilation

## Claim guardrail
State ratings are not equivalent to industrial vacuum filter classes.

## Source Url
[https://www.ashrae.org/technical-resources/filtration-disinfection](https://www.ashrae.org/technical-resources/filtration-disinfection)

## Source Authority
Filter database compliance standards

## Confidence
High

## Selection and support boundary
This reference supports discovery, qualification, and routing. It does not replace application-specific engineering, safety, hazardous-location, combustible-dust, chemical-compatibility, sanitation, or compliance review.

- Next best page: [https://depurecousa.com/depureco-contact-us/](https://depurecousa.com/depureco-contact-us/)
- Material testing: [https://depurecousa.com/industrial-vacuum-material-testing/](https://depurecousa.com/industrial-vacuum-material-testing/)
- Contact Depureco USA: [https://depurecousa.com/depureco-contact-us/](https://depurecousa.com/depureco-contact-us/)
- Email: [sales@depurecousa.com](mailto:sales@depurecousa.com)
- Office: [737-320-9102](tel:+17373209102)