Wash bedding, pillowcases, blankets, and washable stuffed items in hot water at 130°F (54°C) or higher
Dry all washed items on high heat
Use allergen-proof covers on mattresses, box springs, and pillows
Vacuum carpets, rugs, upholstery, and mattresses regularly with a HEPA filter vacuum
Damp-dust hard surfaces with a microfiber cloth
Reduce indoor humidity to below 50%
Use a dehumidifier or air conditioner to control moisture
Remove or minimize wall-to-wall carpeting, heavy drapes, and upholstered furniture if possible
Freeze non-washable small items for at least 24 hours, then vacuum them
Steam-clean carpets and upholstery
Replace old pillows and mattresses when needed
Keep pets out of bedrooms and off beds
Wash pet bedding regularly in hot water
Avoid overstuffed bedding and excess fabric layers
Clean air filters and HVAC vents regularly
Declutter rooms to reduce dust accumulation