KNKA PD30-25L-White dehumidifier, 25 L/day claim

The KNKA PD30-25L-White dehumidifier is listed with three operating modes, a 4-litre tank and humidity controls for home use. Its advertised extraction rate is conditional, and other supplied capacity figures conflict, so confirm the exact configuration before buying.

At a glance

The listing describes automatic, continuous and manual operation, alongside humidity-target and dry modes in the feature text.
A 4-litre tank is listed, with automatic shut-off when full and an alarm for a full tank.
The product description claims optional external-tank connection or continuous drainage with a drain hose.
A humidity display and colour indicator are described. Readings are taken at the air intake and may differ slightly from an external hygrometer.

Price

£129.99Save 23%

Reference price: ~~£168.99~~

Price checked: 14 Nov 2026

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Often bought together

KNKA Dehumidifier 25L/d Quiet Dehumidifiers for Home with 3 Working Modes | Dehumidifiers Equipped with 4.0L large water tank

Pros and cons

Pros

A built-in tank with full-tank shut-off and alarm can reduce the need to monitor water collection constantly.
A drain hose option is described for continuous drainage, while caster wheels and a carry handle are claimed to aid moving the unit.
Target-humidity and auto operation provide alternatives to continuous running, according to the feature description.

Technical specifications

22 specifications

Identity
Brand	KNKA
Model	PD30-25L-White

Dimensions and installation
Dimensions listed	48D x 28W x 20H centimetres
Weight listed	8 Kilograms

Materials and protection
Material listed	Abs Plastic
Automatic shut-off	Automatic Shutoff

Capacity and airflow
Title extraction claim	25 litres of moisture per day (at 35°C, 90% relative humidity)
Dehumidification capacity in details	12 Liters per Day
Capacity in details	70 pints
Airflow	180 Cubic Metres Per Hour
Floor-area listing	4000 Square Feet

Water collection and drainage
Tank volume	4 Litres
Drainage options	three drainage options

Operation and controls
Operating modes in details	Auto, Continuous, Manual
Speeds	3
Wattage	300 watts
Temperature rating	35 Degrees Celsius
Quiet-mode noise claim	as low as 40 dB in silent mode
Humidity target range	30%–80% RH
Auto-mode default target	50% RH

Additional listed details
Recommended use	Home Dehumidification
Spare-part availability duration	7 Years

What to know before buying

The stated 40 dB minimum applies to silent mode. The optional external 10-litre tank is described as an add-on, not as an included component. The listing instructs users to leave the unit upright for 24 hours before first use and says it releases slightly warm air during operation.

Listing details to confirm

Capacity information is contradictory: the title claims 25 L/day, the details list 12 Liters per Day and 70 pints, and the 25-litre claim is specified at 35°C and 90% relative humidity. Coverage also differs between 4000 Square Feet and up to 125m³ (50m²). The model name PD30-25L-White conflicts with the model number PD30-20L and part number PD30MA-20. Confirm the selected listing's capacity, coverage and model identity before purchase.

What’s in the box

Included

Dehumidifier unit

Who is it for?

A good fit for

Households wanting a dehumidifier with both tank collection and a described drain-hose option.
Buyers who want humidity-target controls, an auto mode and a visible humidity indicator.

Less suited to

Buyers who need a clearly established extraction rate or confirmed room coverage without resolving the conflicting listing figures.
Anyone seeking the optional external 10-litre tank as a confirmed included component.

KNKA PD30-25L-White dehumidifier, 25 L/day claim · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 1,272 ratings

5 stars74%74%
4 stars11%11%
3 stars5%5%
2 stars3%3%
1 star7%7%

Aggregate ratings lean positive, with most ratings in the five-star category, but a smaller share are one-star and the figures do not explain why customers rated it that way. They provide no specific evidence about noise, moisture removal or reliability, so buyers should assess those claims against the conflicting capacity details and the needs of their room.

Frequently asked questions

What extraction rate does the listing give?

The title claims 25 litres per day, with a stated test condition of 35°C and 90% relative humidity. The details also list 12 Liters per Day and 70 pints, so the rate is not consistent across the listing.

Can it drain continuously?

The feature description says a drain hose can be attached for continuous drainage. It also describes an optional KNKA external 10-litre tank, which is not confirmed as included.

What should I check before ordering?

Confirm the extraction rate, coverage and model identity. The listing gives differing capacity and coverage figures and shows PD30-25L-White as the model name but PD30-20L as the model number.

Does it need preparation before first use?

The supplied instructions say to leave the unit upright for 24 hours before first use. They also state that the unit releases slightly warm air while dehumidifying.