In North Philadelphia, the Belfield Avenue Townhomes were built to Passive House standards, making the project much more energy-efficient than a conventional building. It is one of several multifamily structures that are being built in cities across the country for moderate-income families. Photo 1 of 3 in Super Green Affordable Housing Introduces Passive Design to the Masses

Super Green Affordable Housing Introduces Passive Design to the Masses

1 of 3

In North Philadelphia, the Belfield Avenue Townhomes were built to Passive House standards, making the project much more energy-efficient than a conventional building. It is one of several multifamily structures that are being built in cities across the country for moderate-income families.