Over the course of his career, Manclark has developed focused expertise in residential energy efficiency and quality control testing. He has been instrumental in introducing new and more efficient technologies to the Northwest markets, particularly in the fields of HVAC design, diagnostics, and evaluation. He has overseen energy inspections of more than 20,000 homes, enabling him to serve as an effective advisor for energy programs seeking to influence the market. Organizations including Northwest Energy Efficiency Alliance (NEEA), Bonneville Power Administration (BPA), Energy Trust of Oregon, and numerous public utilities, have sought out Manclark to develop and implement highly successful energy efficiency programs for HVAC, hot water, new homes, and existing homes. Manclark has been nationally recognized for his contributions to the building performance industry and was inducted into the Building Performance Institute (BPI) Hall of Fame in