The best commercial carpet cleaner for most businesses is the Bissell Big Green Commercial BG10 Deep Cleaning Machine. Renowned for its powerful deep cleaning capabilities, it features a dual motor system that ensures thorough dirt extraction and quick drying times. The machine's large capacity tanks reduce the need for frequent refilling, making it ideal for extensive areas. Additionally, its ergonomic design and adjustable handle enhance user comfort and maneuverability. The BG10's durability and consistent performance make it a top choice for commercial settings, ensuring carpets remain pristine with minimal effort.