In 2012, properties accounted for seventy four% of all of the electrical Electrical power use inside of the United States. As properties are substantial customers of electrical power, there has been a concerted exertion to enhance their Power performance (and minimize wasted energy). ASHRAE Common 90.one: Power Conventional for Structures https://purethermal.co.uk/media-news/november-launch-waste-heat-recycling-design-support-service-from-pure-thermal-and-oilon/