David has over 30 years experience in the HVAC industry working for equipment OEM’s and trade associations, including 14 years with the Gas Appliance Manufacturers Association (now known as AHRI), participating in codes, standards and regulatory activities. Now providing support for ACCA’s Codes Subcommittee and model code activities of interest to ACCA’s goals, including ICC, IAPMO and NFPA code groups. In addition, David now leads ACCA's ANSI standards activities including secretary for the ACCA Standards Task Team.