... air conditioning for cooling, heating and domestic. Vicot solar air-conditioning features1, Facilitates 24-hour solar power driven air conditioning for ... .3, Uses a novel concentrating trough collector design with an energy, efficiency of over 75%, ... Investment of 3.5 years over conventional electric air conditioners (in 800W/m radiation, 3200 insolation ... per year: 3200 hours). Solar Air Conditioning