The October 2025 RESNET HERS Builder of the Month is Stockell Custom Homes, building throughout the St. Louis area. We talked with Vice President Don Stockell about why they build HERS-rated homes. He tells RESNET, “We choose to have our homes HERS rated to demonstrate our commitment to quality and customer care. It reinforces our position as a builder that prioritizes energy efficiency and transparency. Today’s homebuyers should expect their new homes to be more cost-effective to heat and cool than older homes. Energy efficiency is no longer a luxury—it’s a standard of modern, responsible homebuilding.” “We partner with ASER USA, serving St. Louis and the surrounding counties. In addition to conducting our HERS ratings, they certify our homes under ENERGY STAR, EPA Indoor airPLUS, and the DOE Efficient New Homes Program (formerly Zero Energy Ready Home Program). Their expertise helps us consistently meet and exceed energy efficiency standards.” Read the full profile here.