Hunter 30378 19-Feet by 21-Feet Hepa Tech Room Air Purifier for Large Rooms

I've been running the older version of this air purifier 24 X 7 for over 10 years...maybe 12. It is backed up against a wall in a vaulted-ceiling room between a piano and organ where cats like to play. It takes up very little space and consumes a great deal of dust and hair. The exhaust blows straight up the wall which is perfect for this location. Recently, it began emitting a high-pitch, undulating squeal. I assumed that the sealed bearing on the motor shaft was wearing out. So, I ordered this new Hunter Air Purifier. In the mean time, I placed the old squeaky cleaner on its back and soaked the motor shaft with CRC Heavy Duty silicone spray while turning the shaft with my hand for 5 minutes. That was a month ago and it is still running as smoothly and quietly as new. The new cleaner is still in the box, however, I did test it to make certain that it was in good working order.

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I cannot believe what a great job this air purifier does. It is so quite that you forget that it is there. I have asthma and purchased this hoping it would help. At first I thought that it was not working but gradually I started feeling better and the dust (I live in a leaky old house)has gradually dissapeared from the living area. The only drawback is having to clean the filters often but that is easier than dusting ceilings!

I have tried many different types of air purifiers until I got one from Hunter. Initially I got one for the basement so it would not get the musty odor. I liked it so much that I got one for each room in the house. If anyone is allergic to cats, I run the purifier for an hour or two before they come over and they don't react to my cats. Smoke, cooked fish odor, burnt toast etc. These purifiers are awesome. Just be sure to vacuum the outer charcoal filter so the inner filter lasts longer. You will be amazed. I recommend the one with an ionizer-you get the fresh air after a rain smell. 5 stars for sure....