Open all windows and doors to ventilate the house
Run fans to move fresh air through the rooms
Replace HVAC filters and clean vents
Wash curtains, bedding, blankets, and other fabrics
Clean walls, ceilings, baseboards, and doors with a vinegar or mild detergent solution
Vacuum carpets, rugs, and upholstered furniture thoroughly
Steam-clean carpets and upholstery
Sprinkle baking soda on carpets and soft surfaces, then vacuum it up
Place bowls of white vinegar or activated charcoal around the house
Clean ashtrays, lighters, and any smoking-related items
Wash or replace throw pillows, cushion covers, and slipcovers
Clean hard surfaces, shelves, and cabinets with an odor-removing cleaner
Shampoo pet bedding and soft furnishings if smoke has settled on them
Repaint walls and ceilings with odor-blocking primer if the smell persists
Replace heavily smoke-damaged carpets or curtains if needed
Use an air purifier with a HEPA and activated carbon filter
Keep the house smoke-free to prevent the smell from returning