Dehumidifiers remove moisture that makes homes feel cold, damp and hard to heat. Energy-efficient models can also dry laundry indoors far more cheaply than a tumble dryer.
Why dehumidifiers matter
Damp air feels colder and encourages you to crank the heating. Controlling humidity improves comfort at a lower temperature and tackles condensation and mould without heavy energy use.
Recommended products
Filter our reviews to match your home and priorities.

Devola
Devola 12L/day Low Energy Dehumidifier
An efficient 12-litre compressor dehumidifier designed for UK homes, featuring a dedicated laundry mode and low-noise operation.
Combat damp and dry laundry indoors for less than 5p per hour.
Read Review
Pro Breeze
Pro Breeze Osmo® Moisture Absorber Refill Tablets
Large 700g eco-friendly calcium chloride refill tablets designed to combat humidity and damp without consuming electricity.
Zero-energy humidity control for small UK spaces.
Read Review
AEOCKY
AEOCKY 25L/d Smart Compressor Dehumidifier
A high-capacity compressor dehumidifier designed for larger UK homes up to 50m², featuring smart controls and a dedicated laundry mode.
Efficient moisture removal for larger spaces and faster indoor clothes drying.
Read ReviewBuying advice
Compressor vs desiccant
Compressor models are efficient in warm rooms; desiccant types work better in cold spaces like garages.
Check the power draw and laundry mode
Look at the wattage and whether it has a targeted laundry-drying setting.
Match tank size to the space
Bigger rooms and damper homes need higher extraction rates and larger tanks.
Frequently asked questions
Do dehumidifiers actually save money on energy bills?
They can, when they solve a real problem in your home. Our reviews focus on the products that make a measurable difference rather than novelty gadgets, and each one explains when the savings justify the cost — and when they don't.
Does PowerGuardian sell dehumidifiers?
No. PowerGuardian is an independent UK energy information service. Some links are Amazon affiliate links and we may earn a small commission at no extra cost to you, but our reviews and ratings always stay advice-led and independent.
How does PowerGuardian rate dehumidifiers?
Every review is scored across six dimensions — Energy Saving, Ease of Use, Value, Features, Installation and Reliability — which combine into an overall PowerGuardian Rating out of 5. See our methodology for full detail.
