The idea is that everyone can squeeze in a 25-minute session every now and then, making it perfect for even the busiest of people. One popular at-home workout video series is Focus T25 (also called T25), which promises to deliver the same results as an hour-long workout in just 25 minutes.
If you prefer working out at home to high-tailing it to the gym, there are TONS of options out there, no matter what type of setup you've got.