What Machine Is Better To Help Reduce Allergies, A Humidifier Or A Air Purifier?

We have no pets inside our home. But my husband gets really bad allergies (I’m a pretty clean person but helps alittle).

Is There An Allergy Purifier For My House?

I dont even know what im allergic to but ive taken out the moldy shower curtain, threw away the throw pillows and I still get allergy attacks. Anybody know anything that i can put inside that’ll help?

What Is The Best Air Purifier For Cat Allergies?

For those who suffer from allergies to cats, what is the best air purifier for the money? and do you have any research to share?