Around the world ISO 16890 has become the dominant air filter test method, in the United States many are still useing ASHRAE 52.2 and teh MERV system. Why has the world adopted ISO 16890 instead of MERV? Find out why in this free eBook. It’s a must read for everyone in the HVAC and IAQ industries!
- History of 52.2
- How MERV is calculated
- Formation of ISO 16890
- How filter efficeincy is calculated in ISO 16890
- Real-World applicability of the two competing standards