The primary long-term purpose of the GERIA study was to contribute to improve the health of older persons living in elderly care centers (ECC). The GERIA project provides valuable information on the main characteristics of indoor air, its pollutants and buildings that have influence in indoor air quality (IAQ). Taking into account the relationship between IAQ and respiratory vulnerability found in GERIA project, the proposed recommendations are guidelines, on this e-book, intend to lead to health and quality of life improvement of elderly residents in ECC.