Learn About Air Purification and Filtration

College Air Filter Change Saves Big

April 25, 2018 |

A Minnesota college recently audited their air filters, and found surprising performance differences between different pleated air filter brands.  Having spent many years buying from a combination of State Contract suppliers and Specify and Bid contract awarded to the ...

Chiller Cottonwood Cleaning Screen

February 15, 2017 |

Cleaning Chillers becomes a common chore in areas with a lot of cottonwood trees, swamps with cattails, and near other high debris generating foliage.  In some cases the problem can be so bad that chiller cleaning may be needed every two weeks during peak cottonwood ...