About Us. Butlr is on a mission to make the built environment people-aware. We live and work in houses and buildings that aren't aware of their inhabitants. We heat and cool spaces when no one is in them, clean areas that haven't been used, and lease office space that no one is using. Our vision is to enable smarter buildings and increase the quality of life. Spun out of the MIT Media Lab in 2019 with offices in Silicon Valley and Boston, Butlr w...