Heating is usually used over the evening. This can be when your solar air conditioner will probably be inactive or operate on mains electricity - Unless of course you've got a solar battery. Solar driven pool heating and coolingImagine your pool sustaining a very nice temperature through the cooler months https://myleskngvl.blogsidea.com/39676546/examine-this-report-on-off-grid-solar-air-conditioners-nsw