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Healthy Home: Optimal Ventilation for Controlling Moisture and Ensure Indoor Air Quality

Discover tips on maintaining a healthy home environment by controlling moisture levels using heat recovery ventilation systems, ensuring ideal relative humidity, and managing excess moisture to prevent mold and other health hazards. Learn how to calibrate hygrometers, address attic and crawl space ventilation, control mites, reduce carbon monoxide risks, and evaluate air cleaners. Keep your indoor air fresh and safe with these practical strategies.

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Healthy Home: Optimal Ventilation for Controlling Moisture and Ensure Indoor Air Quality

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  1. Keep Your Home Healthy

  2. Heat Recovery Ventilation

  3. Optimum Relative Humidity

  4. Controlling Excess Moisture • Use exhaust fans when showering • Repair plumbing leaks • Vent clothes dryer • Dry and clean flooded materials

  5. Removing Moisture • Ventilate in cold weather • Dehumidify or air condition in warm weather Winter Ventilation Summer Ventilation

  6. Reduce Condensation • Winter — 30-40% humidity • Summer — less than 65-70% humidity

  7. Hygrometers Calibrating a hygrometer 1/4 cup table salt • 1/2 cup water • 5 qt. ziplock bagAfter 12 hours 75% humidity Electronichygrometer Mechanical hygrometer

  8. Health Effects of Mold • Watery or itchy eyes • Sore throat • Stuffy nose • Coughing • Skin irritations • May trigger asthma attacks

  9. Attic Ventilation

  10. Ice Dam

  11. Crawl Space

  12. Foundation Drainage System

  13. Control Mites • Keep humidity less than 50% • Wash sheets weekly in 130 degrees or hotter • Vacuum mattress, chairs and carpeting • Replace pillows every five years

  14. Humidifiers • Keep clean by changing water • Keep clean by cleaning reservoir tanks • Keep area around humidifier dry

  15. Reduce Carbon Monoxide Risk • Use carbon monoxide detectors • Service furnace every one to two years • Vent space heaters outdoors • Do not idle vehicle in garage

  16. Radon Detector

  17. Air Cleaners Evaluate: • how well it collects particles (percent efficiency rate) • how much air it draws through

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