There isn’t much that can beat the convenience of being able to move an entire house worth of heavy furniture on wheels. And if you ever get a flat tire, you can always jack up your car and change it yourself. But how do you get a portable air compressor and floor jack that you can count on. Portable air compressors and floor jacks are basically the same thing. They are small, lightweight devices that let you inflate tires, change a tire, or inflate a basketball so you can shoot hoops in the parking lot.