I've been in the carpet cleanin business for thirty-five years now. In my early days, I used large portable machines and a shampooing buffer for all cleanings. At the time, I thought I could do nothing but the best with them. After four years I bought a truck-mounted steam cleaner and that's when I learned that it was the only way to clean. The only thing a rental store cleaner and a truck-mounted steam cleaner have in common is they are both called "carpet cleaners."
A truck-mounted steam cleaner is what we have used for more than thirty-one years because it works! In order to properly clean carpet, you must have these 4 things: