The solar heat that we have in abundance and appropriate use is not only a benefit in monetary terms, it is also useful for humanity which is slowly but surely destroying nature with harmful emissions to the atmosphere. So how to use this priceless gift to good use. To begin with, let's remember the most common installation for the use of solar heat-a greenhouse. It's actually a large solar collector. And if we start to "take" warm air from the greenhouse? Greenhouse turn into an air solar collector