In 2012, buildings accounted for seventy four% of many of the electrical Electricity use inside America. As buildings are large individuals of electrical energy, There's been a concerted effort to improve their Electrical power effectiveness (and decrease wasted Electrical power). ASHRAE Typical 90.one: Power Conventional for Structures Except Very low-Rise https://purethermal.co.uk/media-news/november-launch-waste-heat-recycling-design-support-service-from-pure-thermal-and-oilon/