, a national provider of third-party certification of high-performing homes and the Residential Energy Services Network (RESNET), creator of the Home Energy Rating System ( HERS) Index, announced today that they are extending and expanding their partnership. The two organizations will continue to work together to raise awareness among homeowners and home buyers about the value of energy efficient, high-performing homes. Partnership Pearl Certification and RESNET, which have collaborated since 2018, will continue to work together to help homeowners understand how to increase their homes' energy efficiency, reduce their utility bills, conserve resources - and capture the value of their high-performing home investments when they sell.