My husband and I live in an area of SA that has loads of sunshine summer and winter, yet our account always comes in high as in we have 5-6 people living in the home. We have our 11 solar panels which we have cleaned twice a year for maximum service. During summer we do use the aircon as my husband has Multiple Sclerosis and MS patients should not get over heated and temps can get up to 45c regularly. Once cool we use ceiling fans and only use ceiling fans at night when sleeping.At night we run ...