Cooling techniques are methods used to lower temperatures in various environments, such as homes, workplaces, and outdoor areas. Common techniques include the use of air conditioning systems, which circulate cool air, and fans, which create airflow to enhance comfort. Natural methods, like shading from trees or using reflective materials, can also help reduce heat. In addition to mechanical systems, cooling techniques can involve water-based methods, such as evaporative cooling, where water absorbs heat as it evaporates, cooling the surrounding air. Other strategies include using insulation to keep heat out and employing cool roofs that reflect sunlight, helping to maintain lower indoor temperatures.