Updated September 30, 2026 · SmartHomeCue Editorial Team
Dr.Prepare vs Duux
Dr.Prepare vs Duux: the differences
| Compare |  Dr.Prepare |  Duux |
|---|---|---|
| Reference models | DAP02 HEPA Air Purifier, DAP01 HEPA Air Purifier with Pet Mode, DAP03H HEPA Air Purifier, DR.PREPARE 38 Pints Home Dehumidifier | Bora 12L Dehumidifier, Bora Smart 20L Dehumidifier, Bora Smart 30L Dehumidifier |
| Price from | $19.99 | £39.99 |
| Room size (m²) | 278.7Higher | 40 |
| Quietest noise level (dB) | 20Lower | 36 |
| Extraction per day (l/day) | 17.98 | 20Higher |
| Water tank (l) | 2 | 4Higher |
| Power use (W) | 200 | 20 to 315Lower |
| Warranty | 1 year | 2 yearsHigher |
| Markets | US | GB |
| Clean air delivery rate (m³/h) | 300 | Not confirmed |
| Extraction test conditions | 95F, RH 90% | Not confirmed |
Same on both: Mobile app (Yes).
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Key differences
- Dr.Prepare scores higher overall: 9.2 vs 9.1.
- Room size (m²) is higher at Dr.Prepare: 278.7 vs 40.
- Quietest noise level (dB) is lower at Dr.Prepare: 20 vs 36.
- Extraction per day (l/day) is higher at Duux: 20 vs 17.98.
- Water tank (l) is higher at Duux: 4 vs 2.
- Power use (W) is lower at Duux: 20 to 315 vs 200.
- Warranty is higher at Duux: 2 years vs 1 year.
- Support channels: only Duux offers Phone.
- Products: only Dr.Prepare offers Purifier.
- Products: only Duux offers Humidifier.
Our verdict on each
Dr.Prepare
Dr.Prepare suits US buyers on a budget who want purifier, dehumidifier and fan products from a single seller, with entry pricing of $19.99 that ranks 2 of 76 brands. Warranty cover of 1 year and email-led support keep it a value pick rather than a long term choice.
Duux
Duux suits UK households drying a damp bedroom or a small sitting room: the Bora Smart moves 20 litres a day a day and the range starts at £39.99. Room coverage of 40 m² is the ceiling, so buyers drying larger spaces should weigh a brand with a wider range.
Score breakdown
| Area | Dr.Prepare | Duux |
|---|---|---|
| Cost | 10.0HigherA $19.99 starting point puts the brand at 2 of 76 on entry price. | 9.4Entry price of £39.99 opens below the dehumidifier entry median of €108.42. |
| Offer | 8.8purifier, dehumidifier and fan span purifier, dehumidifier and fan, with 300 m³/h clean air delivery, a mobile app and 1 year cover. | 8.8A mobile app, a dehumidifier, humidifier and fan range and 2 years of warranty cover the offer. |
| Trust | 8.3Founded in 2018, support runs on email and help centre and the stated market is US. | Not confirmed |
Positions in our rankings
| Ranking | Dr.Prepare | Duux |
|---|---|---|
| Dehumidifiers | 3 of 27 | 12 of 27 |
Pick Dr.Prepare if, pick Duux if
Pick Dr.Prepare if cost, room size (m²), and quietest noise level (db) matter most.
Pick Duux if extraction per day (l/day), water tank (l), and power use (w) matter most.
Also worth a look
Vornado Air has power use (w) at 17 to 59, against 200 for Dr.Prepare and 20 to 315 for Duux.
Vornado Air reviewSources behind this comparison
Dr.Prepare
- drprepare.com: 16 facts, checked September 30, 2026
Duux
- duux.co.uk: 14 facts, checked September 30, 2026
Every fact side by side
| Fact | Dr.Prepare | Duux |
|---|---|---|
| Products | Purifier, Dehumidifier, Fan | Dehumidifier, Humidifier, Fan |
| Filter types | Hepa h13, CarbonCovers more | Carbon |
| Legal entity | Not confirmed | Stearn Electric Co. Ltd T/A Beam Group |
| Founded | 2018 | Not confirmed |
| Support channels | Email, Help centre | Email, Phone, Help centreCovers more |
Home appliances
| Fact | Dr.Prepare | Duux |
|---|---|---|
| Capacity | 40L | Not confirmed |
| Dimensions | 69.2 x 45.3 x 45 cm | Not confirmed |
Where each stands against the rest
| Fact | Dr.Prepare | Duux | Median |
|---|---|---|---|
| Clean air delivery rate (m³/h) | 300below the median | Not confirmed | 424.925 |
| Room size (m²) | 278.7highest quarter | 40lowest quarter | 124 |
| Quietest noise level (dB) | 20lowest quarter | 36above the median | 25 |
| Extraction per day (l/day) | 17.98lowest quarter | 20below the median | 23.66 |
| Water tank (l) | 2lowest quarter | 4at the median | 4 |
| Power use (W) | 200above the median | 20 to 315lowest quarter | 46 |
Median across 65 listed brands.
Pros and cons
Dr.Prepare
Pros
- Entry pricing of $19.99 ranks 2 of 76 brands on starting price, so the floor is hard to undercut.
- A single seller covers purifier, dehumidifier and fan, and the reference range pairs HEPA purifier models with a home dehumidifier.
- The HEPA purifier with pet mode pairs 300 m³/h of clean air delivery with rated coverage of 278.7 m² and a noise floor of 20 dB.
Cons
- Warranty cover on the purifier line is 1 year, which is short for a machine expected to run for years.
- Support runs on email and help centre only, so anyone with a fault will be writing in rather than calling.
- Clean air delivery of 300 m³/h ranks 32 of 47 brands, well below the mid-range purifiers here.
Duux
Pros
- The Bora Smart removes 20 litres a day a day, which suits a damp bedroom or a small sitting room.
- The starting price of £39.99 sits below the dehumidifier entry median of €108.42 across the brands compared here.
- Support runs on email, phone and help centre, so a fault can go straight to a phone line rather than an inbox.
Cons
- Its 40 m² room rating sits well below the dehumidifier median of 194.09 m², and Duux places 45 of 54 on that measure.
- The only filter listed is carbon, so treat the Bora line as a moisture job rather than a particle one.
- Shipping information lists GB and no other market, so buyers outside the UK are out of luck.
Who each suits
Dr.Prepare
Who it suits
- US households wanting a purifier or dehumidifier at a low entry price
- Renters and new buyers who will swap filters rather than run a machine for years
- Shoppers who want a single seller for purifier, dehumidifier and fan products
Who should look elsewhere
- Shoppers who want a humidifier in the same basket, since Vornado Air lists purifier, humidifier and fan and Dr.Prepare does not
- Buyers who need a phone line, since Dr.Prepare support runs on email and help centre only
- Buyers after a purifier only specialist, since Clarifion lists purifier while Dr.Prepare spreads across purifier, dehumidifier and fan
Duux
Who it suits
- Households in the UK with damp in a bedroom, a box room or a home office, where a modest machine is enough.
- Renters who want a single appliance with app control rather than a full air-care range to choose from.
- Buyers who want a phone route on a warranty claim, since support runs on email, phone and help centre.
Who should look elsewhere
- Large open-plan homes, where 40 m² coverage is small beside the category median of 194.09 m².
- Shoppers wanting purification and moisture from one brand: Exquisit lists purifier, dehumidifier and humidifier, against Duux's dehumidifier, humidifier and fan.
- Anyone buying outside the UK, since shipping information lists GB only.
Current offers
Dr.Prepare
Current offer
Discount code
5% first-order discount for new members: 5%
Code WELCOME5, new members only, can be used once
Source, checked September 30, 2026
Country by country
| Country | Dr.Prepare | Duux |
|---|---|---|
| United Kingdom | No | Yes |
| United States | Yes | No |
Questions about each
Dr.Prepare
How much does a Dr.Prepare air purifier cost?+
Purifiers start at $19.99. That entry point ranks 2 of 76 brands compared on starting price, which makes Dr.Prepare among the cheapest routes into a HEPA purifier. The reference range covers several HEPA purifier models, including a pet mode variant for homes with pets.
What warranty comes with a Dr.Prepare purifier?+
Warranty cover on the purifier line is 1 year. That is short next to the multi-year terms offered on some premium machines, so buyers who plan to run a purifier for a long stretch should assume a replacement cost outside the warranty period.
Duux
How much does the cheapest Duux cost?+
Duux lists a starting price of £39.99 in GBP. Dehumidifier entry prices across the brands in this comparison sit around €108.42, so Duux opens below the middle of the field. Anything higher up the Bora range sits in different territory, so the ticket you see at the top of the range is not the ticket this ranking reflects.
Where does Duux ship?+
Shipping information lists GB, which makes Duux a UK order rather than a pan-European one. Support for a UK unit runs on email, phone and help centre, and that matters if you are outside the market, since the same routes are the ones a warranty claim would use.