News & Press New Leadership, Building on 60 Years of Proven Success CosaTron – A Cleaner Environment with Benefits – “Radon Reduction” NY University Document Recommending Not to Use Ionizers Schools spending millions on air purifiers often sold using overblown claims Ionizers aren’t the answer. In fact, they can cause big problems Electronic Air-Cleaning Tech: US Academics Look at Negative Health Impacts Indoor Air Changes and Potential Implications for SAR-CoV-2 Transmission