For as long as David Ritchie has been building new homes, he has also been actively learning how to build better, more energy efficient homes. Much of this education has come from OG&E as well as other sources that enable Ritchie to maintain his status as a Certified Professional Builder through the Oklahoma State Home Builders Association . He has also completed the RESNET (Residential Energy Services Network) Home Energy Rating System Index coursework for builders. Ritchie has three separate Energy Value Housing Awards from the National Association of Home Builders Research Center. He also attends geothermal courses offered by ClimateMaster,Inc. David is a licensed realtor in the state of Oklahoma and Enid Metro Association .