text: www.ecoquest.com/natewurm\n\nThese are much better than the Ionic Breeze as they cover more area, 1 unit can purify up to 3000 sqft...as well, they have a $100 off offer if you trade in your Ionic Breeze for one of the units.  I have the large unit in my home as well as my parents, in laws, pastor, etc....they work great!!!