Tips and tricks In your home Living Room Clean or change your air conditioner and heating filters regularly. Do not let dust and pet hair accumulate. Use a vacuum cleaner with a high-efficiency particulate air (HEPA) filter. Kitchen Keep surfaces dry. Close windows and screens during peek pollen periods. Use an air conditioner to reduce the chances of mold and pollen sneaking into your home. Master Bathroom Dry your sheets and clothing in a dryer, not outdoors on a clothesline, where pollen grains can attach themselves to the material. Use a dehumidifier to reduce mold growth. Bedroom Wash pillows and blankets once a week in hot water to eliminate the buildup of pet dander and dust. Cover mattresses, pillows and duvets with zippered, dust mite-impermeable covers. Limit clutter and collections, as these collect dust. Children's Room Limit the amount of toys and collectibles, as these collect dust. Wash bedding in hot water and with hypoallergenic detergent. Don't put carpeting in the bedroom since it's a reservoir for dust and mold.