In 2012, buildings accounted for seventy four% of every one of the electrical Electrical power use within just The us. As buildings are significant shoppers of electrical energy, there has been a concerted effort and hard work to boost their energy effectiveness (and reduce wasted Electrical power). ASHRAE Conventional 90.1: https://purethermal.co.uk/media-news/november-launch-waste-heat-recycling-design-support-service-from-pure-thermal-and-oilon/