Pure 411

I second the Blueair purifiers. I have the 211+ non auto in my living room and the smaller versions in my bedrooms. I've had the 211+ running for about ten years and still going strong. The smaller ones I had to replace recently. I got the table top Mini Max through Costco in a 2-pack and I regret that size. I'll get the smaller standing 411 ones again next time.

I also have two blue air 411 for each bedroom. Can't recommend them enough. They just do the job and filters are pretty cheap. 

Plus one for this. I have two blue air 411s in bedrooms and they are very good and new filters aren’t too expensive either. 

Unfortunatly, i had at Blueair 411 formabout 5 years in the bedroom. It just stopped working. So I replaced it with the newer 511

Same. So pretty and works amazingly well. Better than any other air purifiers I’ve ever had.

A quick search didn’t make it clear so giving the right site. Not the ones that popped up when I did a search. Site clarifies they are made in canada. https://www.airpura.ca/collections/all-products But as stated above North Box is also a Canadian company although they don’t state where their purifiers are made https://aidankepo.wixsite.com/northboxsystems Commented to raise profile of your answer as I had never heard of airpura before. I had heard of North box.

Ah, that's too bad. We've got a bunch of 411s and they're all still going strong. They're fairly simple, which is I suspect also why they're relatively reliable. I wonder if it's repairable honestly. Like maybe something just came loose inside there. I actually couldn't remember exactly when I bought all of ours so I looked it up in my Amazon history. We have three 411s that are all 8 years old now and still going. We have two 211+ models and they're 7 years old. And then 3 411 Autos that are now 3 years old. So far no problems with any of them running all day every day.