I Tested A Smart Dehumidifier In My Damp Bedroom – And The Results Surprised Me
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Ideal Home’s reviewer tested the Princess Smart 20L dehumidifier for just over a month, including in a bedroom prone to condensation in a period home. The report describes straightforward app controls and a practical test process, but the supplied material does not include measured humidity results or a quantified account of how much damp was reduced.

Ideal Home has published a month-long test of the Princess Smart 20L dehumidifier, using the machine in a bedroom prone to condensation in a period home. The reviewer reported that its app-based controls were straightforward to use, but the available report material does not provide the numerical humidity readings needed to establish how much the device reduced damp.

The reviewer tested the 20-litre-per-day compressor model for just over a month, moving it between a damp bedroom and drier rooms. The test took place in a house with thick walls and limited seasonal ventilation, conditions the reviewer described as realistic for examining condensation and moisture control. An independent humidity monitor was used to compare readings with the unit’s display and the Princess app.

The report says the app allows users to check room humidity, change fan speed, set a target humidity, schedule operation and switch the unit on or off remotely. The reviewer found connecting the machine to Wi-Fi and adding it in the app took a few minutes. The unit can also be controlled from its top panel and is compatible with Google Assistant, according to the report.

Listed specifications include a 3.7-litre water tank, a continuous-drain option with a hose, a recommended maximum room size of 20 square metres and a stated noise level of 39 to 44 decibels. The review gives the UK recommended retail price as £230 and says the product was available at B&Q. These are product specifications and pricing reported by Ideal Home, not independent measurements of performance or current availability.

At a glance
reportWhen: Published in the supplied Ideal Home re…
The developmentIdeal Home published a month-long review of the Princess Smart 20L dehumidifier, tested in a damp bedroom and other rooms of a period home.

What the Test Says About Daily Use

The report is relevant to readers considering a dehumidifier for a condensation-prone bedroom because it describes use over more than a brief demonstration and includes a comparison with a separate humidity monitor. It also examines everyday tasks—connecting the app, adjusting settings and handling the water tank—that can affect whether a household will keep using a device.

Smart controls may let users check humidity or change settings without returning to the machine. That convenience does not, on its own, show that a device will resolve a damp problem: results can depend on room conditions, ventilation, moisture sources and how the unit is operated. The supplied material describes the test method and ease of use, but lacks the results needed to judge the scale of any humidity change.

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A Period Home as the Test Setting

The reviewer chose a period house with thick walls and a bedroom that has a history of condensation, damp and occasional mould. The report says colder-season conditions and limited ventilation can make moisture more noticeable there. The machine was also moved to drier rooms, giving the reviewer a way to assess use in more than one setting.

Before testing, the reviewer says the unit was checked for setup, app operation, noise on both fan settings, tank emptying and filter removal. The manufacturer’s manual recommends leaving about 20 centimetres of clearance around the machine and avoiding direct sunlight, according to the report. The supplied text does not include the later test findings on measured noise, water collected or maintenance frequency.

“It felt straightforward to live with, quietly working away in the background while giving me the option to step in and fine-tune settings when I needed to.”

— Ideal Home reviewer

Humidity Results Not Supplied

The source material provided for this article does not include the test’s starting and ending humidity readings, the independent monitor’s comparison results, or a quantified measure of water removed. It is therefore not possible to verify from this material how much humidity fell, whether the display matched the separate monitor, or how the reviewer’s bedroom conditions changed over the test.

The headline says the results surprised the reviewer, but the excerpt available here does not explain what those results were. It also does not establish whether the device prevented mould, solved the underlying cause of damp, or performed consistently across different rooms and seasons. The listed capacity and room-size recommendation are manufacturer specifications reported by Ideal Home, not evidence of results in every home.

Full Test Findings Needed

The next useful detail for readers would be the full review’s recorded humidity readings and the reviewer’s final account of performance, including how often the tank needed emptying and how noticeable the unit was during normal use. Those findings would help distinguish convenient controls from demonstrated moisture reduction.

Anyone weighing a purchase should check the product’s current price and specifications with the retailer, as availability and pricing can change. A dehumidifier may help manage indoor moisture, but the supplied report does not establish that it can address structural leaks, persistent water ingress or other underlying causes of damp.

Key Questions

How long was the Princess Smart 20L tested?

The Ideal Home reviewer tested it for just over a month, using it in a damp bedroom and in drier rooms of a period home.

What smart features does the dehumidifier have?

According to the report, its app can show room humidity and let users change fan speed, set humidity targets and schedules, and turn the unit on or off remotely. The report also says it works with Google Assistant.

Did the test prove that it reduced damp or mould?

The supplied report material does not provide numerical humidity results or confirm that the unit prevented mould. It describes a test using an independent monitor, but the measured outcomes are not included in the source excerpt.

What are the main listed specifications?

Ideal Home lists a 20-litre daily extraction rate, a 3.7-litre tank, a 20-square-metre recommended maximum room size, a continuous-drain option and a stated noise range of 39 to 44 decibels. These are reported product specifications.

Source: rss

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