Comparison Chart: HEPA Air Purifier Reviews cnet, Ratings 2018 - 2019. There are so many brands producing HEPA air cleaners and sometimes it is a little hard to find out which is best for you. So here we picked out 7 top rated HEPA air purifier models which have highest ratings and great functions ?Allergy Machine Room HEPA Air Purifier by Austin Air™ Check price for Allergy Machine Room HEPA Air Purifier by Austin Air get it to day. on-line looking has currently gone an extended means; it's modified the way shoppers and entrepreneurs do business n. purifier is the AQM Indicator and it will change colors, indicating the air quality level in the room. The particulate matter value will be displayed on the control panel. See values and status ranges in chart below. Auto Mode: when "Auto" mode is selected the SmartAQM will automatically adjust the speed level of the purifier to optimize Find the Right Air Purifier from Testing and Reviews. If you are like us you want to jump to the results of the best air purifiers. So, we start with the rankings. Click anywhere in the chart to see more detail of the air purifier reviews. Continue reading below to see how we calculated each score and key learnings. small room air purifier has been designed to provide you with a cleaner living space by assisting with odor removal. Follow the instructions provided with your ClearAir Room Air Purifier to assist with easy set up and maintenance. Packaged Materials: 1 ClearAir Room Air Purifier 1 Owner's Manual Purifier Maintenance Cleaning Your air Purifier Proper maintenance of your Hunter air Purifier will help ensure years of trouble free service. Follow these steps to properly maintain your air purifier: 1. approximately every 90 days, the outside of the unit should be cleaned with a soft, damp cloth. • Installation & Service manual System Requirements • Working pressure: 40 to 80 psi feed water pressure required, if below 40 psi, a booster pump is needed. We have a RO