We humans are not the only ones to be exposed to heat stress when temperatures climb up from the comfort zone. It has been proven that the performance in the pigsty and in the cowshed decreases significantly when temperatures are too high. With very simple and inexpensive means, a low-pressure cooling system can be installed in the barn, which ensures that the temperatures remain 3-5 °C lower in summer. The spraying system can also be used to bind dust. In the pigsty the cooling can be combined with the soaking system.