It is a DC and Solar panel based AC system.
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What is interesting are the solar air conditioners based on absorption chillers where it’s solar thermal panels that heat water and it is this hot water that drives the absorption cycle. Solar thermal collectors are one tenth the cost of photovoltaic although photovoltaics are coming down in price rapidly. Photovoltaics currently only uses one frequency of light energy whereas thermal solar collectors would use all of the sunlight. The payback period for a solar thermal system is two to five years while the payback period for photovoltaic is twenty five to thirty years.

The downside of a thermal system are the potential for leaks (it is hot water) and the fact that there are very few small absorption chiller air conditioners available, most are intended for use on large campuses and provide hundreds of tons of cooling. I only know of two makes that are ten tons or less (there are some small RV solutions that use propane as the heat source). Another downside is that with a solar thermal system, there’s no selling back of energy to the utilities but since the majority of a home’s energy needs is for heating water, residential heating and air conditioning, it would make sense to meet most of the home’s energy needs with solar thermal and then only have a small photovoltaic array. Note that absorption chillers are designed to use natural gas burners as the heat source so you can have natural gas as the backup to solar.