--- title: "Best quiet dehumidifier for bedrooms | Home Comfort Lab" description: "Which dehumidifiers are quietest by their rated noise level, and what to look for if you need one running overnight." url: https://homecomfortlab.co.uk/damp/best-quiet-dehumidifier/ --- # Best quiet dehumidifier for bedrooms Which dehumidifiers are quietest by their rated noise level, and what to look for if you need one running overnight. By [Pete Harvey](https://homecomfortlab.co.uk/about/), editor. Updated 14 October 2026. This page links to Amazon. As an Amazon Associate I earn from qualifying purchases. [More about how this site is paid for](https://homecomfortlab.co.uk/affiliate-disclosure/). ![A bedroom at night with a person asleep and a small dehumidifier running quietly in the corner.](https://homecomfortlab.co.uk/images/scenes/best-quiet-dehumidifier.svg) > **The short answer** > > Compare the rated noise level in decibels (dB): the lower the number, the quieter. The quietest model in our list is the EcoAir DD1 Simple MK3 at 34dB. For a bedroom, also look for a sleep mode that dims the lights and drops the fan to its lowest speed. ## What the decibel figure tells you The dB rating is how loud the machine is, measured by the maker. The scale is logarithmic, so a gap of a few decibels is a bigger difference to your ears than the numbers suggest. In our list the ratings run from 34dB to 46dB. Makers don't always say how far from the machine they measured, or on which fan speed. Treat models a decibel or two apart as about the same, and check the listing or manual for the fan speed the figure applies to. The rating also doesn't describe the kind of sound. A compressor model hums and clicks as the compressor switches on and off with the humidistat. A desiccant model has no compressor, so its sound is a steadier fan noise, and it gives off gentle warmth. ## What to look for in a bedroom - **A low rating on low fan.** That is the setting it will run on overnight. - **A sleep or night mode** that turns off the display lights and holds the fan on low. A bright humidity readout can be harder to sleep through than the noise. - **One size bigger than you need.** A larger unit can keep a room dry on its low fan setting, where a small one would have to run flat out. - **A tank that lasts the night**, so it doesn't fill up and switch off in the middle of the night. - **A timer**, so you can run it in the evening and early morning and leave it off while you sleep. [Dehumidifier size calculator](https://homecomfortlab.co.uk/tools/dehumidifier-size-calculator/): Choose 'One room' to find the size a bedroom needs, then pick the quietest model at that size. ## Our picks These are picked by their rated noise level, then by how well the rest of their specs suit a bedroom. We haven't tested them ourselves. See every model's rating in the [noise and capacity table](https://homecomfortlab.co.uk/damp/dehumidifier-noise-and-capacity/). ### Quietest in our list EcoAir DD1 Simple MK3 - **Type:** Desiccant - **Extraction:** 7.5 litres a day - **Power:** 580W - **Noise:** 34dB - **Tank:** 2 litres - **Cost per hour:** 15p * Laundry mode The lowest noise rating we list, at 34dB, with 7.5 litres a day and a 2 litre tank. It costs 15p an hour to run. It is a desiccant model, so it also works in a cold bedroom, down to 1°C, but it costs more to run than a compressor model. [View on Amazon](https://homecomfortlab.co.uk/go/dh-des-7a/) [Manufacturer specs](https://ecoair.org/products/dd1-simple) ### For a small bedroom MeacoDry ABC 10L - **Type:** Compressor - **Extraction:** 10 litres a day - **Power:** 198W - **Noise:** 36dB - **Tank:** 2.6 litres - **Cost per hour:** 5.2p * Laundry mode A 10 litre compressor model rated at 36dB. It is small and draws only 198W, which suits a single room you want to keep dry without much running cost. [View on Amazon](https://homecomfortlab.co.uk/go/dh-comp-10a/) [Manufacturer specs](https://www.meaco.com/products/meaco-meacodry-dehumidifier-abc-range-10l) ## Running one overnight Eight hours on the quietest model costs about £1.22. With the humidistat set to around 50 to 60%, it will cut back once the room is dry, so the real cost is often lower. Costs use **26.32p per kWh**, the [Ofgem price cap, Direct Debit average for England, Scotland and Wales](https://ofgem.gov.uk/news/changes-energy-price-cap-between-1-october-and-31-december-2026) for 1 October to 31 December 2026. Your own tariff may differ. [How we calculate](https://homecomfortlab.co.uk/how-we-calculate/). You may not need it on at night at all. Running it in the bedroom with the door shut during the day, then switching it off at bedtime, keeps the room dry without any noise while you sleep. If the windows are still wet in the morning, see [why windows get wet overnight](https://homecomfortlab.co.uk/damp/why-are-my-windows-wet-every-morning/). ## Making any dehumidifier quieter - Stand it on a hard, level floor. On floorboards or an uneven surface the casing can vibrate and rattle. - Keep it a little way from walls and furniture, as the manual says. A blocked air inlet makes the fan work harder. - Put it across the room from the bed rather than beside it. - Clean the air filter when the manual says. A clogged filter adds fan noise. ## Read next - [Dehumidifier noise and capacity table](https://homecomfortlab.co.uk/damp/dehumidifier-noise-and-capacity/) (Running costs) Every model we list, with its extraction rate, tank size, noise level and power, in one sortable table. - [What size dehumidifier do I need?](https://homecomfortlab.co.uk/tools/dehumidifier-size-calculator/) (Calculator) Answer four questions about your home and get the dehumidifier size and type that suits it, with what it will cost to run. - [Dehumidifier running costs: popular models compared](https://homecomfortlab.co.uk/damp/dehumidifier-running-costs/) (Running costs) What each popular dehumidifier costs per hour and per month at the current price cap, from its rated power. - [Compressor vs desiccant dehumidifier: which do you need?](https://homecomfortlab.co.uk/damp/compressor-vs-desiccant-dehumidifier/) (Buying guide) Compressor models are cheaper to run in a heated home; desiccant models work better in cold rooms. How to choose. --- As an Amazon Associate I earn from qualifying purchases. Links to shops are marked, and earning from them never decides what we recommend. [How this site is paid for](https://homecomfortlab.co.uk/affiliate-disclosure/). Running costs use 26.32p per kWh for electricity and 7.97p per kWh for gas, the [Ofgem price cap, Direct Debit average for England, Scotland and Wales](https://ofgem.gov.uk/news/changes-energy-price-cap-between-1-october-and-31-december-2026) for 1 October to 31 December 2026.