The different shapes of compressors aren’t a functional design concern, so manufacturers can get creative with their designs. Sometimes, separating the tank into two smaller tanks allows the compressor to have a lower center of gravity, making it more portable. Other times, the designs simply take up less space. For example, a horizontal compressor can fit under a workbench, while a vertical compressor fits better in a corner. Whether you’re looking for a home air compressor or one to take on the jobsite, consider the shape that best fits your space and portability needs.