Energy efficient library with imposing design was designed by Hughes Condon Marler Architects and located in Whistler, BC, Canada. The Whistler Public Library building has many things that offered about architecture design. With wooden frame that combined with concrete and glass windows create this building become amazing contemporary library design. The Whistler Public Library has L-Shape, this is done to allows multiple connections to contrasting site conditions. The green roof concept is an innovative idea in order to reduce global warming and create a fresh atmosphere.