Wash bedding, pillowcases, and blankets weekly in hot water
Use allergen-proof covers on mattresses and pillows
Vacuum carpets, rugs, and upholstered furniture regularly with a HEPA filter vacuum
Dust surfaces with a damp microfiber cloth
Reduce indoor humidity to below 50%
Remove or minimize carpets, heavy curtains, and fabric clutter
Freeze small washable items that cannot be hot-washed
Replace or clean HVAC filters regularly
Keep stuffed toys washed or frozen regularly
Air out rooms and improve ventilation
Use a dehumidifier if needed
Steam-clean carpets and upholstery
Avoid overstuffed bedding and excess fabric layers
Seal cracks and reduce dust accumulation in the home