Dempsey Timber Engineering (DTE) is Ireland's leading sustainable timber frame company located in Arklow, Co Wicklow, operating for over 40 years. DTE provides timber solutions for zero carbon, passive, and eco-friendly buildings, and has worked on projects like Ireland's first zero carbon development of 37 homes and the largest timber frame provider for the Eco Village in Cloughjordan. DTE focuses on sustainable features like sheep's wool insulation, air tightness, and low U-values.