This cooler is a little more operate to put in place, but is amazingly productive, supplying a lot of hours of chilly air. Reply Richard Courtenay says July 26, 2023 at 6:11 pm Hi David, I've two switchboards, one grid and just one off grid. I use the off grid https://off-grid-solar-air-condit67890.blogolenta.com/30217960/how-much-you-need-to-expect-you-ll-pay-for-a-good-off-grid-solar-air-conditioners-melbourne