Room Recovery Time and True Air Change Rate: Why the ISO Default ACH Is Often Wrong for Your Room
Key Takeaways Your Cleanroom Is Compliant on Paper. Is It Actually Safe? If you’re specifying HVAC for a pharma, electronics, or medical-device cleanroom, you’ve seen the same number quoted everywhere: 20 air changes per hour for ISO 8, higher for ISO 7 and ISO 5. It’s in vendor quotes, consultant decks, and half the blogs […]