Nelson's Carpet Care....
The carpet cleaning industry has five accepted cleaning methods. Four of them are "Very Low Moisture(VLM)", better known as "dry-cleaning", and the fifth being Hot Water Extraction(HWE), better known as "steam-cleaning".
Each of these methods have their place, and if done properly, will do a good job. The recommended method by carpet manufacturers is Hot Water Extraction every 12-18 months, preferably with a machine that has been certified by the Carpet and Rug Institute(CRI), to achieve their Gold Level for Performance. Of these machines, "truck mounts" are the most powerful, and considered top-of-the-line. They are self-contained cleaning systems that are permanently installed in a van, and they generally require no hook-ups from you.
It is hard to compare any cleaning method in terms of performance to a machine that costs as much as a new car. The strong vacuum, high heat, and water pressure is unmatched for truly deep cleaning. I use a current system, and regularly save carpet that was thought to be hard to clean just to have it dry in hours, not days.
The carpet cleaning industry has an in-depth Standards and Procedures Reference Manual written by top experts in the field. Some companies choose to follow this guide, some do not. I have always followed its recommended procedure, because I have always wanted to do the best possible job.
When you hire Nelson's, you can expect: