@x_miar_x If you can get a small air purifier, go for it. They will get rid of allergen particles floating in the air. If you can spend a bit more, some other good ones are
Coway Mighty - upto 360 square feet
Winix 5500-2 - upto 360 square feet
Winix 5300-2 - upto 360 square feet
Austin Air...