Uwant B400 Portable Carpet Cleaner with Steam, Hot Water and 18KPa Suction

The Uwant B400 is a portable carpet and upholstery cleaner that pairs steam and hot-water modes with suction for spot cleaning. It is presented for carpets, furniture, cars and everyday household or pet messes, with brush heads and self-cleaning tools listed among the components.

At a glance

Offers separate steam and hot-water cleaning modes, with a dedicated steam brush head described for narrow crevices and hard-to-reach areas.
The listing gives a suction figure of 18KPa and describes the machine for upholstery and carpet spot cleaning.
A combined clean- and dirty-water tank design is described as a single integrated unit for carrying and storage.
Capacitive controls operate the modes. The listing says to press the hot-water button once and the steam button twice to switch those modes on or off.

Price

$139.98Save 18%

Reference price: ~~$169.99~~

Price checked: Nov 14, 2026

View offer Ahead of Black FridayExplore the selection

Often bought together

Uwant Portable Carpet Cleaner with Steam & Hot Water, 18KPa Upholstery Cleaner Machine for Pets, 2-in-1 Carpet Steam Cleaner

Pros and cons

Pros

Steam and hot-water modes broaden its stated cleaning uses beyond ordinary spot cleaning.
The integrated tank arrangement is intended to simplify handling compared with separate tanks.
The manufacturer lists adjustable brush heads and self-clean tools as included components.

Cons

The described spot-cleaning format is aimed at localized messes rather than a full-size upright carpet-cleaning workflow.

Technical specifications

10 specifications

Identity
Brand	uwant
Model	B400

Cleaning and operation
Suction	18KPa
Steam mode temperature	up to 212°F
Hot water mode temperature	149°F
Tank capacity	2.4 liters
Power configuration	ac

Dimensions and installation
Dimensions listed	10"D x 5"W x 5"H
Weight listed	5 pounds

Appearance
Color	Deep-Grey

What to know before buying

Steam and hot-water temperatures and the 18KPa suction figure are manufacturer claims, not independently established results. Follow the stated button sequence when switching modes. The listing’s stated dimensions are compact, so confirm them against the selected item if storage fit is important.

What’s in the box

Included

Adjustable brush heads
Carpet cleaner machine
Self-clean tools

Who is it for?

A good fit for

People who want a portable cleaner for carpet, upholstery, cars, couches or furniture spots.
Households looking for steam and hot-water modes alongside suction-based spot cleaning.
Buyers who want brush heads and self-clean tools listed with the machine.

Less suited to

People seeking a full-size upright carpet cleaner for cleaning large floor areas in one pass.
Buyers who need independently verified cleaning or temperature performance figures.

Uwant B400 Portable Carpet Cleaner with Steam, Hot Water and 18KPa Suction · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 103 ratings

5 stars79%79%
4 stars9%9%
3 stars3%3%
2 stars3%3%
1 star6%6%

Customer feedback highlights perceived cleaning performance, suction, ease of use, versatility and value, including comments about helpful attachments and everyday messes. One customer mentions 22Kpa suction, which differs from the listing’s 18KPa figure and should not be treated as confirmation of this model’s specification. For buyers considering this portable spot-cleaning format, the positive comments may be relevant, but the feedback does not establish performance for every surface or stain.