Choosing between desiccant and compressor models depends on room temperature, noise needs, and running cost. Here’s the simple answer.
The Quick Answer
- Choose desiccant for cooler rooms and winter use.
- Choose compressor for warmer rooms and lowest running cost.
How They Work (plain English)
- Compressor pulls moisture by chilling coils (best in warmer air).
- Desiccant uses a drying wheel (works better when it’s cooler).
Pros And Cons
Desiccant: works in cold rooms, steady drying, often lighter.
Cons: higher watt draw.
Compressor: energy-efficient in warm rooms, good extraction per watt.
Cons: performance drops if the room is too cold.
Which Should You Buy?
Bedrooms above ~15–16°C most of the time → compressor.
Colder spaces or unheated rooms → desiccant.
FAQs
Do desiccants smell warm air? A little warmth can be noticeable, which some people like in winter.
Are compressors always louder? Not always, but they often have more noticeable fan noise.
Looking for product picks? Read our Best Small Dehumidifiers for Bedrooms (UK).
Last Updated on 30 November 2025 by YEG