Solar air conditioners offer a straightforward solution to this dilemma. Where I live on the coast of Central California, heat is seldom as oppressive as in Southern California, Arizona ...

when the air conditioning system is not needed, the power generated by the solar array is injected into the grid; when there is surplus solar power, the air conditioner is powered before grid ...

With sleeping space for four and a 600W rooftop solar panel, the 20Xe starts at $76,900. Options include a compostable toilet, an air conditioner, a microwave, and more solar capability.