Updated September 30, 2026 · SmartHomeCue Editorial Team
AlorairCrawlspace vs Devola
Where AlorairCrawlspace and Devola differ
| Compare |  AlorairCrawlspace | Devola ReviewSee alternativesSee alternatives |
|---|---|---|
| Reference models | AlorAir Sentinel HD35P, AlorAir Sentinel HD55S, AlorAir Sentinel HDi100 | DV12L, DV20L, DV25L |
| Price from | $343.73 | £53.96 |
| Clean air delivery rate (m³/h) | 195Higher | 180 |
| Quietest noise level (dB) | 50 | 36Lower |
| Extraction per day (l/day) | 35Higher | 12 to 25 |
| Extraction test conditions | AHAM (80F, 60% RH) | operating range 5-35 degrees C, extraction quoted in temperatures as low as 5 degrees |
| Warranty | 6 yearsHigher | 2 years |
| Markets | US | GB |
| Room size (m²) | 93 to 418 | Not confirmed |
| Filter cost per year | $32.95 to $65.90 | Not confirmed |
| Filter change interval | 3 to 6 months | Not confirmed |
| Water tank (l) | Not confirmed | 4 |
| Power use (W) | Not confirmed | 378 |
Same on both: Mobile app (Yes).
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Key differences
- Clean air delivery rate (m³/h) is higher at AlorairCrawlspace: 195 vs 180.
- Quietest noise level (dB) is lower at Devola: 36 vs 50.
- Extraction per day (l/day) is higher at AlorairCrawlspace: 35 vs 12 to 25.
- Warranty is higher at AlorairCrawlspace: 6 years vs 2 years.
- Support channels: only AlorairCrawlspace offers Community.
- Support channels: only Devola offers Help centre.
- Products: only Devola offers Purifier.
- Filter types: only AlorairCrawlspace offers Ioniser.
- Filter types: only Devola offers Hepa h13, Carbon.
- Markets: only AlorairCrawlspace offers US.
Our verdict on each
AlorairCrawlspace
AlorAirCrawlspace suits US homeowners with a persistently damp crawl space who would rather buy once and leave it running than replace parts. Entry at $343.73 is high for the category, yet 6 years of warranty, 35 litres a day of extraction and coverage of 93 to 418 m² make it a focused answer to a...
Devola
Devola suits UK households that want drying and air cleaning from a single brand without paying flagship prices, and its spread of purifiers, dehumidifiers and fans makes it easy to start small. Entry sits at £53.96, with a 2 year warranty behind the units.
Score breakdown
| Area | AlorairCrawlspace | Devola |
|---|---|---|
| Cost | 9.0Entry at $343.73 is high, while media at $32.95 to $65.90 and 6 years of cover soften it. | 9.2HigherEntry price of £53.96 undercuts the €127.49 typical across brands tracked here, which is where the cost score comes from. |
| Offer | 9.1HigherExtraction of 35 litres a day under AHAM (80F, 60% RH) plus a mobile app cover the crawl space job. | 8.8Purifiers, dehumidifiers and fans (purifier, dehumidifier and fan) with hepa h13 and carbon filters, a mobile app and a 2 year warranty in one range. |
| Trust | 8.8energy star certification, 6 years warranty and support on email, chat and phone give a solid base. | 9.0HigherSold by Love Shopping Direct Limited in GB since 2008, with support through email, phone and chat behind it. |
How they place
| Ranking | AlorairCrawlspace | Devola |
|---|---|---|
| Dehumidifiers | 1 of 27 | 14 of 27 |
What we checked
AlorairCrawlspace
- aloraircrawlspace.com: 17 facts, checked September 30, 2026
Devola
- devola.co.uk: 17 facts, checked September 30, 2026
Every fact side by side
| Fact | AlorairCrawlspace | Devola |
|---|---|---|
| Products | Dehumidifier, Fan | Purifier, Dehumidifier, FanCovers more |
| Filter types | Ioniser | Hepa h13, Carbon |
| Certifications | Energy star | Not confirmed |
| Legal entity | Not confirmed | Love Shopping Direct Limited |
| Headquarters | United States | United Kingdom |
| Founded | Not confirmed | 2008 |
| Support channels | Email, Chat, Phone, Community | Email, Phone, Chat, Help centre |
Where each stands against the rest
| Fact | AlorairCrawlspace | Devola | Median |
|---|---|---|---|
| Clean air delivery rate (m³/h) | 195lowest quarter | 180lowest quarter | 424.925 |
| Room size (m²) | 93 to 418highest quarter | Not confirmed | 124 |
| Filter cost per year | $32.95 to $65.90lowest quarter | Not confirmed | $79.60 |
| Filter change interval | 3 to 6 monthsbelow the median | Not confirmed | 12 |
| Quietest noise level (dB) | 50highest quarter | 36above the median | 25 |
| Extraction per day (l/day) | 35highest quarter | 12 to 25above the median | 23.66 |
Median across 65 listed brands.
Pros and cons
AlorairCrawlspace
Pros
- Running cost is easy to plan: media at $32.95 to $65.90 with changes at 3 to 6 months.
- Generous coverage of 93 to 418 m² per unit, with a mobile app for readings and settings.
- Support runs on email, chat and phone, so phone and live chat both sit behind the warranty.
Cons
- Entry at $343.73 ranks 67 of 76 brands, so the purchase carries the cost.
- Filtering is ioniser only, while much of the field offers HEPA media instead.
- Shipping covers US, so buyers in other countries source and import the unit themselves.
Devola
Pros
- Entry price of £53.96 sits under the €127.49 that most brands in this comparison start at, so the range is an approachable first air treatment purchase.
- Purifiers, dehumidifiers and fans sit in the same range (purifier, dehumidifier and fan), where Clarifion lists purifiers only (purifier).
- Support runs through email, phone and chat, so help is available by phone and live chat as well as by email.
Cons
- Clean air delivery of 180 m³/h is modest, so a large open-plan room needs more than a single unit.
- Power draw of 378 W on the compressor models is high, so a room left running day and night adds to the electricity bill.
- A 4-litre water tank means repeated emptying in a house that stays damp.
Who each suits
AlorairCrawlspace
Who it suits
- US homeowners with a persistently damp crawl space or underfloor void.
- Owners who think in running years rather than purchase days, given media at $32.95 to $65.90.
- Buyers who want a 6 years warranty and phone support rather than the cheapest ticket price.
Who should look elsewhere
- Households wanting a purifier or humidifier in the same range: Exquisit covers purifier, dehumidifier and humidifier.
- Buyers who want humidification alongside drying: Gavri CZ-SK covers purifier, dehumidifier and humidifier.
- Value shoppers, since entry at $343.73 ranks 67 of 76 brands, and Daewoo Electricals covers purifier, dehumidifier and fan.
Devola
Who it suits
- UK households dealing with damp and mould risk who want drying and filtration from a single brand at a low starting price.
- Renters and owner occupiers who need a quiet background machine, given a noise floor of 36 dB.
- Shoppers who want app control and phone support without stepping up to a premium purifier.
Who should look elsewhere
- Anyone chasing strong airflow for a large room should weigh Vornado Air instead, since clean air delivery of 180 m³/h is modest.
- Buyers outside GB should look for a locally supported brand, as Devola's support and returns run through a UK operation.
- Shoppers who want humidification in the same range should pick Vornado Air, which lists humidifiers alongside purifiers and fans (purifier, humidifier and fan).
Current offers
Devola
Current offer
Discount code
5% off all products for newsletter subscribers: 5%
Subscribe to the Devola newsletter by email; code issued on signup
Source, checked September 30, 2026
Country by country
| Country | AlorairCrawlspace | Devola |
|---|---|---|
| United Kingdom | No | Yes |
| United States | Yes | No |
Questions about each
AlorairCrawlspace
What does the AlorAirCrawlspace cost up front?+
Entry price starts at $343.73 for the base Sentinel dehumidifier, and the wider Sentinel range sits above that. That buying figure is the higher end of the category, so the outlay deserves attention before the running years are counted. Models further up the range add capacity rather than a different kind of machine.
What are the running costs once it is installed?+
The ongoing cost is the filter, listed at $32.95 to $65.90 for replacement media. Extraction is 35 litres a day under the test conditions in AHAM (80F, 60% RH), a cooler and drier setting than a crawl space in a humid season, so treat the quoted output as a ceiling. Filters come round every 3 to 6 months.
Devola
How much does a Devola machine cost?+
Devola publishes a single entry price of £53.96 for the range, and that is the figure to hold against the €127.49 that brands in this category typically start at. Because the range covers purifier, dehumidifier and fan, the same brand can cover a first purchase and a later replacement. Pricing is per unit rather than tiered, so there is a clear step between the cheapest machine and the compressor models.
What does it cost to keep running?+
The running cost sits in two places: the filters, listed as hepa h13 and carbon, and electricity. The compressor dehumidifiers draw 378 W, so a unit left on in a persistently damp room is the main ongoing expense to plan for. A 2 year warranty covers the machine itself, which takes some of the risk out of the early months.