Homes that earn the EPA ENERGY STAR and Indoor airPLUS labels are designed to have lower utility costs, greater comfort, better durability, and reduced risk of indoor air quality problems. The construction features of Indoor airPLUS qualified homes can lead to lower health risks, protection against combustion pollutants, and fewer pests, allergens, and asthma triggers. For details https://19january2021snapshot.epa.gov/indoorairplus/benefits-and-features-indoor-airplus-homes.