Learn About Air Purification and Filtration

MERV/ASHRAE 52.2 Vs ISO 16890 Efficiency Charts

February 24, 2017 |

One of the more common requests we get is to do a cross between different filter test methods.  For years it was a 52.1 to 52.2 cross, then when Europe adopted EN779 charts crossing those two came about now with the adoption and publication of ISO 16890 we are being ...

Why ISO 16890 Is The Future for HVAC Filters

April 10, 2016 |

MERV is the soon to be crazy Uncle that we will be showing the door. It was a fun run, and you did some good things, but it’s time for a better test standard to be used. With the global economy becoming more real every day having a simple, cost-effective, and global ...

Where Emissions Testing and HVAC Filters Cross Paths

November 04, 2015 |

What good are lab tests? There are undoubtedly some that have usefulness in the real world, but as Volkswagen has shown there are ways around every lab test if the desire to cheat the system is strong enough. The silver lining is that there have been, and will be more, ...