Vertical wind turbines Hartmann is the specialized dealer for wind turbines and photovoltaics of all sizes. Our experienced and competent sales team is available to you throughout Germany and internationally. All employees and partners have many years of successful experience in the energy sector. Our solutions have been used in all industries and worldwide for years. All systems are adapted and certified for the location of use. Vertical wind turbines Hartmann offers you advice and implementation from a single source.