Updated September 30, 2026 · SmartHomeCue Editorial Team
AlorairCrawlspace vs VeSync
Where AlorairCrawlspace and VeSync differ
| Compare |  AlorairCrawlspace |  VeSync |
|---|---|---|
| Reference models | AlorAir Sentinel HD35P, AlorAir Sentinel HD55S, AlorAir Sentinel HDi100 | Core Mini-P, Core 300-P, Core 600S-P |
| Price from | $343.73 | $49.99Lower |
| Clean air delivery rate (m³/h) | 195 | 664.31Higher |
| Room size (m²) | 93 to 418Higher | 270.26 |
| Filter cost per year | $32.95 to $65.90Lower | $44.99 to $59.98 |
| Filter change interval | 3 to 6 months | 6 to 8 monthsHigher |
| Quietest noise level (dB) | 50 | 24Lower |
| Extraction per day (l/day) | 35 | 39.75Higher |
| Warranty | 6 yearsHigher | 2 years |
| Markets | US | US, GB, DE, FR, ESCovers more |
| Extraction test conditions | AHAM (80F, 60% RH) | Not confirmed |
| Power use (W) | Not confirmed | 49 to 56 |
Same on both: Mobile app (Yes).
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Key differences
- VeSync scores higher overall: 9.2 vs 9.0.
- Price from is lower at VeSync: $49.99 vs $343.73.
- Clean air delivery rate (m³/h) is higher at VeSync: 664.31 vs 195.
- Room size (m²) is higher at AlorairCrawlspace: 93 to 418 vs 270.26.
- Filter cost per year is lower at AlorairCrawlspace: $32.95 to $65.90 vs $44.99 to $59.98.
- Filter change interval is higher at VeSync: 6 to 8 months vs 3 to 6 months.
- Quietest noise level (dB) is lower at VeSync: 24 vs 50.
- Extraction per day (l/day) is higher at VeSync: 39.75 vs 35.
- Warranty is higher at AlorairCrawlspace: 6 years vs 2 years.
- Support channels: only AlorairCrawlspace offers Email, Chat, Phone.
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...
VeSync
VeSync suits households that want connected air treatment across several rooms and product types, with purifiers, dehumidifiers, humidifiers and fans under a single mobile app. The purifier range delivers 664.31 m³/h of clean air for rooms up to 270.26 m², and a 2 years warranty is listed.
Score breakdown
| Area | AlorairCrawlspace | VeSync |
|---|---|---|
| Cost | 9.0Entry at $343.73 is high, while media at $32.95 to $65.90 and 6 years of cover soften it. | 9.5HigherPurifiers start at $49.99 and replacement filters run $44.99 to $59.98 a year. |
| Offer | 9.1Extraction of 35 litres a day under AHAM (80F, 60% RH) plus a mobile app cover the crawl space job. | 9.1Output of 664.31 m³/h for rooms up to 270.26 m², plus a mobile app. |
| Trust | 8.8energy star certification, 6 years warranty and support on email, chat and phone give a solid base. | 8.8A 2 years warranty and energy star listing, with help centre as the support route. |
Licences and countries
| Country | AlorairCrawlspace | VeSync |
|---|---|---|
| Headquarters | United States | United States |
Also worth a look
Dr.Prepare has price from at $19.99, against $343.73 for AlorairCrawlspace and $49.99 for VeSync.
Dr.Prepare reviewHow they place
| Ranking | AlorairCrawlspace | VeSync |
|---|---|---|
| Dehumidifiers | 1 of 27 | 10 of 27 |
Every fact side by side
| Fact | AlorairCrawlspace | VeSync |
|---|---|---|
| Products | Dehumidifier, Fan | Purifier, Dehumidifier, Humidifier, FanCovers more |
| Filter types | Ioniser | Hepa h13, Carbon |
| Certifications | Energy star | Energy star |
| Legal entity | Not confirmed | VeSync (US) Corporation |
| Headquarters | United States | United States |
| Founded | Not confirmed | 2012 |
| Support channels | Email, Chat, Phone, Community | Help centre |
Kitchen appliances
| Fact | AlorairCrawlspace | VeSync |
|---|---|---|
| Capacity (l) | Not confirmed | 5.7 |
| Power (W) | Not confirmed | 1,725 |
| Cooking programmes | Not confirmed | 9 |
| Dishwasher-safe parts | Not confirmed | Yes |
| Spare parts shop | Not confirmed | Yes |
Floor care
| Fact | AlorairCrawlspace | VeSync |
|---|---|---|
| Entry price | Not confirmed | $139.99 |
| Flagship price | Not confirmed | $299.99 |
| Self-empty dock | Not confirmed | Yes |
| Runtime | Not confirmed | 70 |
| Dust bin capacity (ml) | Not confirmed | 3,500 |
| Height (cm) | Not confirmed | 110 |
Where each stands against the rest
| Fact | AlorairCrawlspace | VeSync | Median |
|---|---|---|---|
| Price from | $343.73highest quarter | $49.99below the median | $109.99 |
| Clean air delivery rate (m³/h) | 195lowest quarter | 664.31above the median | 424.925 |
| Room size (m²) | 93 to 418highest quarter | 270.26highest quarter | 124 |
| Filter cost per year | $32.95 to $65.90lowest quarter | $44.99 to $59.98lowest quarter | $79.60 |
| Filter change interval | 3 to 6 monthsbelow the median | 6 to 8 monthsbelow the median | 12 |
| Quietest noise level (dB) | 50highest quarter | 24below the median | 25 |
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.
VeSync
Pros
- Purifiers start at $49.99, which puts the range within reach of a first purchase.
- The largest purifier in the range moves 664.31 m³/h and covers 270.26 m², near the top of our purifier field on both measures.
- The lineup spans purifier, dehumidifier and humidifier in a single account, so a purifier and a dehumidifier can sit side by side.
Cons
- Replacement filters cost $44.99 to $59.98 a year, a meaningful share of the $49.99 entry price.
- Support runs on help centre only, so a spoken line or live chat is not part of the package.
- Filter changes come round every 6 to 8 months, so running cost starts early in ownership.
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.
VeSync
Who it suits
- Renters and homeowners who want a single app covering purifiers, dehumidifiers, humidifiers and fans.
- Buyers at the lower end of the purifier range who accept $44.99 to $59.98 in yearly filter spend.
- Households in the United States, GB and DE who want app control and a 2 years warranty.
Who should look elsewhere
- Anyone who wants a purifier-only range, since Clarifion covers purifier and nothing else.
- Dehumidifier-first shoppers, since Daewoo Electricals covers purifier, dehumidifier and fan and sits nearer that category.
Country by country
| Country | AlorairCrawlspace | VeSync |
|---|---|---|
| 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.
VeSync
How much does a VeSync purifier cost at entry?+
Purifiers start at $49.99, which is the introductory price for the smallest unit rather than a subscription. You pay once for the machine, and nothing recurs until filters need changing. That makes the first purchase the easiest part of the running cost to judge.
What does it cost to keep filters replaced?+
Replacement filters run $44.99 to $59.98 a year, and changes come round every 6 to 8 months. On an entry level purifier that yearly figure is worth weighing against $49.99 before you commit, because it is the cost that keeps repeating after the first purchase.