Ecotopia House is a “Tiny House,” a small living structure on wheels. The structure is designed to minimize energy use and carbon emissions from daily operation and life-cycle energy expenditures. Among its other features, Ecotopia House includes 8 Suniva 270 Watt solar panels and 18 100 Amp-hour lithium iron phosphate batteries, which can store about 4.5 kWh of electricity; a solar thermal boost hot water system, a graywater tank; maximized daytime lighting with strategically-located windows, a