Best dehumidifier deals to banish the damp

High humidity can cause issues all year round and not only during winter. If you’re noticing condensation, damp and mould, then it's important to look into using a dehumidifier to keep these issues at bay. To save you cash on your new appliance, we’ve hand-picked the best dehumidifier deals to shop.

If you’re wondering how these household appliances work, dehumidifiers remove excess water in the air and lower humidity levels, which reduces allergens, damp and pollutants. Not only do they offer an economical way to dry your laundry – as they draw moisture from fabrics – but they are also cost-efficient (the average cost of running a dehumidifier is less than 40p an hour).

Whether you’re looking to have one in a large or small room, there are plenty of options on offer, with mini and extra-large machines available. Right now, for example, you can save on the best dehumidifier in our IndyBest reviewer, the Duux bora smart dehumidifier (was £299.99, now £249, Amazon.co.uk). Elsewhere, the best model for drying laundry, the De’Longhi DEX212F, is reduced by more than £100 (was £268.97, now £166.99, Appliancesdirect.co.uk). Keep reading for all of our top picks.

The best dehumidifier deals for May 2025 are:

“This dehumidifier can extract up to 20l of water in a 24-hour period, making it ideal for homes with severe humidity issues”, wrote our tester in their review, where they chose it as the best model overall. They went on to write: “Its generous 4l tank means less frequent emptying and an auto-shut-off feature prevents overflow.”

“The dedicated laundry mode impressed us, significantly speeding up drying time for a full clothes horse of washing,” said Rachael Penn when reviewing this dehumidifier. Recommending it for small to medium-sized spaces, she found that it “works quickly to remove excess moisture”. The auto defrost and restart function “enables use in colder areas such as outhouses, conservatories, and garages during winter months, too”, she said. With this deal at Amazon, you can save £40 on the model.

Amazon has slashed £30 off the price of this desiccant dehumidifier. It’s ideal for smaller rooms that suffer from cold drafts, as it’ll push heat back into your home. “With a slimline and compact design, it weighs just 6kg, and the built-in handle and castor wheels make moving it from room to room a breeze,” said our reviewer. They praised its simple, manual controls with a rotary dial and just one other button to control the fan speed.

In our guide to the best dehumidifiers, this model was named best for drying laundry. Our tester had a lot of great things to say about this 14l device: “This model has a sleek, modern design that means you can plonk it in any room without it looking out of place,” they began. They added: “It did a great job of helping to speed up the amount of time it took for our clothes to dry, which is super handy during the winter months when the washing line is out of action.”

If you’re limited with your available floor space or would just rather your dehumidifier not be a feature item in your home, this model from Honeywell is a great pick. “This dehumidifier proves that good things do come in small packages. The compact unit packs a surprising punch, collecting up to 12l of water over 24 hours, with a generously sized 2.5l tank,” noted our review.

How does a dehumidifier work?

Dehumidifiers are all about ousting excess moisture from the air in your home, which should ease the effects of damp, whether that be mould accumulating on the walls or tackling dust mites (which thrive in warm, damp conditions).

There are actually two kinds of dehumidifiers you can choose from, depending on the conditions in your home. The first of these is referred to as a refrigerator dehumidifier, as it works by drawing moisture in through a fan before cooling it with very cold, refrigerated coils. Cooling the air creates condensation, which collects in the dehumidifier’s tank (this is why transparent tanks can be helpful). These are generally best if your house tends to be warm.

The second relies on some kind of absorbent material, which will suck up any damp from the air that way. When this material is heated up, the moisture then drips into the water tank.

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