NAHB Graduate Master Builders – GMB
NAHB – Certified Aging-In-Place Specialists – CAPS
NAHB – Certified Green Professional (CGP)
Advanced Energy Building Science Master Certification
![Willie Delfs of Able Home Builders](https://i0.wp.com/www.ablehomes.com/wp-content/uploads/2016/10/2009-04-17-ABLE-Homes-0032.jpg?resize=620%2C414&ssl=1)
Willie directing traffic
NAHB Graduate Master Builders – GMB
NAHB – Certified Aging-In-Place Specialists – CAPS
NAHB – Certified Green Professional (CGP)
Advanced Energy Building Science Master Certification
Willie directing traffic