In 2012, properties accounted for 74% of many of the electrical Electricity use in the United States. As properties are substantial shoppers of electricity, There have been a concerted exertion to enhance their energy efficiency (and lower wasted Electricity). ASHRAE Typical 90.1: Electricity Regular for Properties Apart from Reduced-Increase Residential https://purethermal.co.uk/media-news/november-launch-waste-heat-recycling-design-support-service-from-pure-thermal-and-oilon/