One of the best ways to burn calories and lose body fats without sweating is via swimming. Swimming can help you burn a lot of calories. Depending on the type of technique that you use, your body will burn different amounts of calories. A 155 pound person swimming freestyle in an intense manner for an hour can burn around burn 704 calories.
But of course, there are disadvantages to this particular exercise. You will need either a pool or a large body of water in order to perform this exercise. And also, not everyone knows how to swim. It is also not advisable to swim in some areas with low temperatures.