Less than 10% of homes are ventilated properly- Proper install can increase longevity of shingle, underlayment,insulation, and structure of home- Make sure to ask about which venting system(s) best work for your individual needs. No two homes are identical, and each will have different needs- Signs of improper ventilation:- Dramatic temperature changes between attic and the rest of the home- Mildew/moisture build up in attic- Paint cracking or staining- Improper ventilation can lead to serious health problems- Benefits of proper ventilation- Prolong life of home- Lower energy bill- Living a healthier life