According to various aspects and embodiments, a system directed to measuring, evaluating and improving building energy efficiency. The system includes a memory and at least one processor coupled to the memory and configured to provide instructions for capturing information pertaining to a facility, receive, from a mobile device, at least one portion of the information pertaining to the facility, the at least one portion of the information including at least one image of the facility, process the at least one image of the facility to identify elements related to energy usage of the facility; and generate, based at least on the elements, a model of the facility.
