What about storage coolers? Cool a big tank of water/ice using solar, so you can keep chiller aircon running overnight without using more electricity. I think

What about storage coolers? Cool a big tank of water/ice using solar, so you can keep chiller aircon running overnight without using more electricity. I think I've seen commercial versions of this (icebear?), but nothing domestic. In fact even domestic-sized chillers (for central hydronic cooling) seem rare.