Strongest Heat
BISSELL Little Green HydroSteam Portable Carpet Cleaner, 3618
Our verdict: The most capable active heating system in a Little Green body.
The HydroSteam sits at the top of BISSELL's heated portable line and is the machine the listing singles out for the strongest active heating system. It is built in the familiar Little Green format: a compact body, a hose and a handheld tool, with a clean-solution tank and a recovery tank.
Heat does the heavy lifting on old coffee rings, greasy food spots and dried pet accidents, where cold water barely loosens the residue. This model earns first place because it commits to heat more than any other unit here, but that comes with the highest price tier we reviewed, $200 to $500, and a heavier body than the plain models.
Buy it if your stains are stubborn and recurring and you want maximum heat. Skip it if you only wipe up fresh spills, where the cheaper units clean just as well.
- Heating
- Active heat, strongest in group
- Format
- Portable carpet and upholstery cleaner
- Model
- 3618
- Price tier
- $200 to $500
What we like
- +Strongest active heating system
- +Loosens set-in grease and stains
- +Established Little Green platform
- +Wide parts and tool availability
Watch out for
- −Most expensive machine here
- −Overkill for fresh spills
Buy it if: Homes fighting old, stubborn stains on carpet and sofas.
Skip it if: Your messes are mostly fresh and light.






