... cooling, heating and domestic. Vicot solar air-conditioning features1, Facilitates 24-hour solar power driven air conditioning for cooling ... 75%, four times the energy density of conventional solar water heater collectors.4, Uses R717 as natural ... /m2 per year(irradiance: 800W/m2, the sun light hour per year: 3200 hours).8, Annual CO2 ... /m2(irradiance: 800W/m2, the sun light hour per year: 3200 hours).