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Ideal Home’s reviewer tested the Princess Smart 20L dehumidifier for just over a month in a period home, including a bedroom prone to condensation. The report describes app controls, humidity checks against an independent monitor and measured noise, but the supplied material does not include the test’s final results or a specific humidity reduction.

Ideal Home tested the Princess Smart 20L dehumidifier for just over a month in a period home, including a bedroom prone to condensation, to examine how it handled moisture and whether its app made routine use easier. The supplied report describes the test setup and product features, but does not provide a measured before-and-after humidity result, so the claimed surprise in the headline cannot be quantified from the available material.

The reviewer used the unit in several rooms, comparing its humidity readings with an independent monitor and checking how easily the display and Princess app could be used. The app supports remote on-and-off control, fan-speed changes, humidity targets, schedules and timers; the report says setup over Wi-Fi took a few minutes. The unit also works with Google Assistant, according to the report.

The model is a compressor dehumidifier rated to extract up to 20 litres of water per day, with a 3.7-litre tank and a recommended maximum room size of 20 square metres. Its stated noise range is 39–44 decibels, and the reviewer measured both fan settings with a decibel meter. A continuous-drain hose is included, while the product specifications list no laundry mode or HEPA filter.

The report says the reviewer also checked day-to-day tasks, including emptying the tank and removing the filter, and assessed how noticeable the noise was during ordinary activities. The supplied source ends before giving the full performance findings, so it does not establish how much water the unit collected, how humidity changed, or whether damp and mould were reduced.

At a glance
reportWhen: Published in the supplied Ideal Home re…
The developmentIdeal Home published a monthlong real-home test of the Princess Smart 20L dehumidifier, focusing on a damp bedroom and its smart controls.

What the Bedroom Test Can Show

A test in a condensation-prone bedroom gives readers a practical setting for judging whether a dehumidifier is manageable in a lived-in home, rather than relying only on product specifications. App access, noise and tank capacity can shape whether owners run a unit regularly, particularly when damp is more noticeable in colder weather and ventilation is limited.

However, the available report material supports conclusions about the testing process and listed features, not a definitive claim that this model solved the bedroom’s damp. Without published readings, collection totals or a clear comparison period, readers cannot gauge the scale of any improvement or compare it directly with another unit.

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20L smart compressor dehumidifier with app control

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Testing in a Period Home

The reviewer describes a home with thick walls and limited seasonal ventilation, where condensation builds quickly and occasional mould has been a concern. The device was tried in that bedroom as well as drier parts of the house over just more than a month, providing more varied use than a brief single-room check.

The report lists a £230 recommended retail price and says the model was available at B&Q. It is a 12-kilogram unit on castors, measuring 57.2 centimetres high, with a two-year warranty. The manual recommends leaving roughly 20 centimetres of clearance around the appliance; the reviewer says the filter and castors were already fitted at setup.

““I’ve been testing the Princess Smart 20L, available at B&Q for just over a month in my period home, including a bedroom that’s always been a bit of a problem when it comes to damp.””

— Ideal Home reviewer

Performance Figures Still Missing

The supplied source material does not include the report’s complete verdict or numerical test outcomes. It gives no starting or ending humidity readings, water collected over a stated period, energy use during the test, or comparison with a different dehumidifier. The phrase “results surprised me” in the headline is not explained in the available text.

It is also unclear whether the bedroom’s condensation or mould changed during testing, how often the tank needed emptying, and whether the stated noise range matched the reviewer’s measurements. The listed extraction rate is a product specification; it should not be treated as the amount actually extracted in this home.

Full Verdict and Test Data

The next useful information would be the full Ideal Home review, including its measured humidity readings, observed water collection, noise results and final assessment of performance. Until those details are available, readers can assess the model’s published specifications and smart features, but should not infer a quantified damp reduction from the supplied excerpt.

For anyone considering a dehumidifier, the relevant comparison points include the room size, tank capacity, drainage options, noise and running costs. The report excerpt provides several of those specifications, but not the measured energy consumption or complete test results.

Key Questions

How long was the Princess Smart 20L tested?

The Ideal Home reviewer says testing lasted just over a month and covered several rooms, including a damp bedroom.

What smart features does the dehumidifier have?

The Princess app can show room humidity and control power, fan speed, humidity targets, schedules and timers. The report also says the unit works with Google Assistant.

Did the test prove that it reduced damp?

The supplied report excerpt does not provide before-and-after humidity readings or another quantified outcome. It describes the test method but does not establish how much damp changed.

What are the main specifications?

The model is rated for up to 20 litres per day, has a 3.7-litre tank, a recommended maximum room size of 20 square metres and a stated noise range of 39–44 decibels. These are listed specifications, not reported results from the home test.

Source: rss

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