In our comprehensive guide to the best solar-powered air conditioners, we evaluate top-rated models based on performance, energy efficiency, and cost-effectiveness. It also explains why these systems are a smart investment. Solar power AC units convert sunlight into electricity using photovoltaic (PV) panels. From portable models to those designed for vehicles, there's a. Whether you're looking for a standalone AC unit or a central heating, ventilation, and air conditioning (HVAC) system, choosing one of the best solar-powered AC units can help you reduce your carbon footprint and save money on utility bills. Department of Energy, three-quarters of American homes have air conditioners. Carbon dioxide is considered a greenhouse gas.