This is the best concept for off-grid residing, and you don’t need a heater in the winter season. It's going to cut down Strength use and appliances expenditures. Batteries are the energy bank to reserve energy. We recommend you utilize 4 x 12V deep cycle gel solar batteries According to https://off-grid-solar-air-condit23445.bcbloggers.com/32495218/a-secret-weapon-for-off-grid-solar-air-conditioners-vic