Updated September 30, 2026 · SmartHomeCue Editorial Team
Airthereal vs AlorairCrawlspace
What sets them apart
| Compare | Airthereal ReviewSee alternativesSee alternatives |  AlorairCrawlspace |
|---|---|---|
| Reference models | Pure Morning APH260, Pure Morning APH320, Ethereal Rain AEH300, Glory Days AGH400 | AlorAir Sentinel HD35P, AlorAir Sentinel HD55S, AlorAir Sentinel HDi100 |
| Price from | €43.95 | $343.73 |
| Clean air delivery rate (m³/h) | 319.41Higher | 195 |
| Room size (m²) | 185 | 93 to 418Higher |
| Filter cost per year | €49.43 to €65.90 | $32.95 to $65.90 |
| Filter change interval | 6 to 8 monthsHigher | 3 to 6 months |
| Quietest noise level (dB) | 22Lower | 50 |
| Warranty | 2 years | 6 yearsHigher |
| Markets | US, CA, DECovers more | US |
| Extraction per day (l/day) | Not confirmed | 35 |
| Extraction test conditions | Not confirmed | AHAM (80F, 60% RH) |
| Water tank (l) | 1.5 | Not confirmed |
Same on both: Mobile app (Yes).
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Key differences
- Airthereal scores higher overall: 9.1 vs 9.0.
- Clean air delivery rate (m³/h) is higher at Airthereal: 319.41 vs 195.
- Room size (m²) is higher at AlorairCrawlspace: 93 to 418 vs 185.
- Filter change interval is higher at Airthereal: 6 to 8 months vs 3 to 6 months.
- Quietest noise level (dB) is lower at Airthereal: 22 vs 50.
- Warranty is higher at AlorairCrawlspace: 6 years vs 2 years.
- Support channels: only Airthereal offers Help centre.
- Support channels: only AlorairCrawlspace offers Chat, Community.
- Certifications: only Airthereal offers Aham verifide.
- Airthereal is available in 2 more countries.
Our verdict on each
Airthereal
Airthereal suits renters and homeowners who want room air, dehumidifying and filtered water from a single maker, starting at an entry price of €43.95.
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...
Score breakdown
| Area | Airthereal | AlorairCrawlspace |
|---|---|---|
| Cost | 9.4HigherEntry price of €43.95 and filter spend of €49.43 to €65.90 a year both sit under the site medians. | 9.0Entry at $343.73 is high, while media at $32.95 to $65.90 and 6 years of cover soften it. |
| Offer | 8.9A single maker covers purifier, dehumidifier and humidifier plus reverse osmosis water filtering stated against 42, 53 and 58. | 9.1HigherExtraction of 35 litres a day under AHAM (80F, 60% RH) plus a mobile app cover the crawl space job. |
| Trust | 9.1HigherFounded 2018, warranty of 2 years, and support across email, phone and help centre. | 8.8energy star certification, 6 years warranty and support on email, chat and phone give a solid base. |
Pick Airthereal if, pick AlorairCrawlspace if
Pick Airthereal if cost, trust, clean air delivery rate (m³/h), filter change interval, and quietest noise level (db) matter most.
Pick AlorairCrawlspace if room size (m²) and warranty matter most.
The numbers side by side
| Fact | Airthereal | AlorairCrawlspace |
|---|---|---|
| Clean air delivery rate (m³/h) | 319.41 | 195 |
| Room size (m²) | 185 | 93 to 418 |
| Filter change interval | 6 to 8 months | 3 to 6 months |
| Quietest noise level (dB) | 22 | 50 |
| Warranty | 2 years | 6 years |
If neither fits
AprilAire has warranty at 10 years, against 2 years for Airthereal and 6 years for AlorairCrawlspace.
AprilAire reviewHow they place
| Ranking | Airthereal | AlorairCrawlspace |
|---|---|---|
| Dehumidifiers | 11 of 27 | 1 of 27 |
Every fact side by side
| Fact | Airthereal | AlorairCrawlspace |
|---|---|---|
| Products | Purifier, Dehumidifier, Humidifier | Dehumidifier, Fan |
| Filter types | Hepa h13, Carbon, Uv, IoniserCovers more | Ioniser |
| Certifications | Aham verifide, Energy starCovers more | Energy star |
| Headquarters | Not confirmed | United States |
| Founded | 2018 | Not confirmed |
| Support channels | Email, Phone, Help centre | Email, Chat, Phone, Community |
Water filters
| Fact | Airthereal | AlorairCrawlspace |
|---|---|---|
| Filter system | Reverse osmosis | Not confirmed |
| Cartridge price | €43.95 | Not confirmed |
| NSF/ANSI standards | 42, 53, 58 | Not confirmed |
| Certification scope | Lite3 RO system performance stated against NSF/ANSI 58, 53, 42 and EPA 200/300/537; 5-stage system eradicates 99% of common tap water pollutants | Not confirmed |
| PFAS and lead reduction | Yes | Not confirmed |
| Installation required | No | Not confirmed |
Where each stands against the rest
| Fact | Airthereal | AlorairCrawlspace | Median |
|---|---|---|---|
| Clean air delivery rate (m³/h) | 319.41below the median | 195lowest quarter | 424.925 |
| Room size (m²) | 185above the median | 93 to 418highest quarter | 124 |
| Filter change interval | 6 to 8 monthsbelow the median | 3 to 6 monthsbelow the median | 12 |
| Quietest noise level (dB) | 22below the median | 50highest quarter | 25 |
| Extraction per day (l/day) | Not confirmed | 35highest quarter | 23.66 |
| Water tank (l) | 1.5lowest quarter | Not confirmed | 4 |
Median across 65 listed brands.
Pros and cons
Airthereal
Pros
- Entry price of €43.95 sits well under the site median of €96.46 across 76 brands
- Covers purifier, dehumidifier and humidifier, so air and moisture devices come from a single maker
- Filter stack combines hepa h13, carbon and uv in the same cartridge
Cons
- Clean air delivery of 319.41 m³/h ranks 31 of 47, under the site median of 429.85 m³/h
- Filters fall due every 6 to 8 months, so the €49.43 to €65.90 yearly bill recurs through the year
- Direct shipping covers US, CA and DE only, so buyers elsewhere rely on a reseller for stock and warranty claims
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.
Who each suits
Airthereal
Who it suits
- Renters and homeowners who want a single brand across air, dehumidifying and water filtering
- Buyers who want a documented certification rather than marketing alone, with aham verifide and energy star listed
- Households in the United States, CA and DE who can order direct and want the same filter types across the range
Who should look elsewhere
- Large open rooms needing stronger airflow, since 319.41 m³/h sits under the site median of 429.85 m³/h
- Buyers who want a purifier specialist, where Clarifion lists purifier alone
- Anyone who also wants a fan in the same range, since Vornado Air covers purifier, humidifier and fan
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.
Country by country
| Country | Airthereal | AlorairCrawlspace |
|---|---|---|
| Canada | Yes | No |
| Germany | Yes | No |
| United States | Yes | Yes |
Questions about each
Airthereal
How much does an Airthereal air purifier cost at entry?+
Purifiers start at €43.95, the figure most shoppers meet first. That places Airthereal 20 of 76 brands on this site and below the €96.46 median. The hardware price is the whole entry cost, with filter spending added to it later.
What do replacement filters cost each year?+
Filter spending runs €49.43 to €65.90 a year across the range, and a filter falls due every 6 to 8 months depending on use. On this site that running cost ranks 17 of 46 brands, below the €80.67 typical figure, so ownership stays cheaper than at brands with costlier filter stacks.
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.