David Singleton has over 25 years of experience in heating and ventilation. He has worked for various companies in roles such as an engineer, supervisor, and managing director of his own company. Currently he is a project engineer and manager of service, maintenance, and small works divisions for S.C. Horsfield in Preston where he oversees projects, budgets, and a team of engineers. He has extensive technical, management, and safety skills in the HVAC industry.