Visit the Indoor airPLUS Partner List (www.epa.gov/indoorairplus/find-indoor-airplus-builder-or-rater) for a list of builders who have committed to offering Indoor airPLUS qualified homes. You can also look for the Indoor airPLUS icon on the ENERGY STAR Partner Locator (www.energystar.gov/index.cfm?fuseaction=new_homes_partners.locator), or simply ask a trusted builder if they're willing to participate in the program. They can learn more about becoming an Indoor airPLUS partner at www.epa.gov/indoorairplus/join-indoor-airplus-program.