Mr. Lang has been in the HVAC service industry for 34 years working for both OEM manufacturers and independent service and construction contractors. During his career he has held positions in field service, service technology, sales and service management. In his current role, he leads a group of operating companies within Comfort Systems USA that have doubled their service revenue and profitability in less than five years, and is also leading Comfort Systems USA field service technology team with the goal of identifying and implementing new technologies into the HVAC service organization.