Independent testing

How much independent testing exists for each carpet cleaner

Of the 6 carpet cleaners we track, 1 have been physically measured by at least one independent lab. Below is every one, ordered by how much independent hands-on evidence stands behind it — densest first.

A coverage record, not a ranking of which is best.

Product Independent labs Metrics measured Outlets on record
ProHeat 2X Revolution Pet Pro Carpet Cleaner (3587) 2 4 2
Big Green Machine Professional Carpet Cleaner (86T3) 0 0 2
Little Green HydroSteam Pet Portable Carpet Cleaner (3618) 0 0 1
SmartWash Pet Complete Automatic Carpet Cleaner (FH53000V) 0 0 1
SpotClean Pro Portable Carpet Cleaner (3624) 0 0 1
StainStriker Portable Carpet & Furniture Cleaner (PX201) 0 0 1

Each figure is a count of what independent testers actually did — how we count. A low count means little independent evidence has been gathered yet, never that a product is worse. See also the Carpet Cleaners buying guide and the reviewers we cite.