Updated September 30, 2026 · SmartHomeCue Editorial Team
Airthereal vs TOSOT Direct
What sets them apart
| Compare | Airthereal ReviewSee alternativesSee alternatives | TOSOT Direct ReviewSee alternativesSee alternatives |
|---|---|---|
| Reference models | Pure Morning APH260, Pure Morning APH320, Ethereal Rain AEH300, Glory Days AGH400 | KJ350G True HEPA Air Purifier (TST-AP-350A); 50 Pint Dehumidifier with Internal Pump (2012 DOE 70 Pint); 20 Pint Dehumidifier (2012 DOE 30 Pint) |
| Price from | €43.95 | $39.99 |
| Clean air delivery rate (m³/h) | 319.41 | 340Higher |
| Room size (m²) | 185Higher | 41.8 |
| Filter cost per year | €49.43 to €65.90 | $59.99 to $79.98 |
| Quietest noise level (dB) | 22Lower | 32 |
| Water tank (l) | 1.5 | 6.1Higher |
| Warranty | 2 years | 1 to 5 yearsHigher |
| Markets | US, CA, DECovers more | US |
| Extraction per day (l/day) | Not confirmed | 23.7 |
| Extraction test conditions | Not confirmed | 2019 DOE standard (2012 DOE: 70 pints/day); 115V/60Hz, 41-90F operating range |
| Power use (W) | Not confirmed | 770 |
Same on both: Filter change interval (6 to 8 months), Mobile app (Yes).
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Key differences
- TOSOT Direct scores higher overall: 9.2 vs 9.1.
- Clean air delivery rate (m³/h) is higher at TOSOT Direct: 340 vs 319.41.
- Room size (m²) is higher at Airthereal: 185 vs 41.8.
- Quietest noise level (dB) is lower at Airthereal: 22 vs 32.
- Water tank (l) is higher at TOSOT Direct: 6.1 vs 1.5.
- Warranty is higher at TOSOT Direct: 1 to 5 years vs 2 years.
- Support channels: only TOSOT Direct offers Community.
- Founded is lower at TOSOT Direct: 1991 vs 2018.
- Airthereal is available in 2 more countries.
- Products: only Airthereal offers Humidifier.
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.
TOSOT Direct
TOSOT Direct suits US households wanting one small brand for air treatment on a budget, and less suitable for open-plan rooms. The reference purifier delivers 340 m³/h CADR for rooms of 41.8 square metres, sold from $39.99.
Score breakdown
| Area | Airthereal | TOSOT Direct |
|---|---|---|
| Cost | 9.4Entry price of €43.95 and filter spend of €49.43 to €65.90 a year both sit under the site medians. | 9.4Entry price sits at $39.99, ranked 13 of 76 on price from, with filter costs of $59.99 to $79.98 a year. |
| Offer | 8.9A single maker covers purifier, dehumidifier and humidifier plus reverse osmosis water filtering stated against 42, 53 and 58. | 9.0HigherCovers purifier, dehumidifier and fan in purifier, dehumidifier and fan, runs at 340 m³/h CADR and 41.8 square metres, with a mobile app. |
| Trust | 9.1Founded 2018, warranty of 2 years, and support across email, phone and help centre. | 9.6HigherSold by SainStore Inc. in US, founded 1991, warranty of 1 to 5 years and support on email, phone and help centre. |
Licences and countries
| Country | Airthereal | TOSOT Direct |
|---|---|---|
| Headquarters | Not confirmed | United States |
Available in 1 country for both. Additional countries for Airthereal: 2.
Positions in our rankings
| Ranking | Airthereal | TOSOT Direct |
|---|---|---|
| Air purifiers | 18 of 55 | 16 of 55 |
| Dehumidifiers | 11 of 27 | 9 of 27 |
Also worth a look
AlorairCrawlspace has room size (m²) at 93 to 418, against 185 for Airthereal and 41.8 for TOSOT Direct.
AlorairCrawlspace reviewEvery fact side by side
| Fact | Airthereal | TOSOT Direct |
|---|---|---|
| Products | Purifier, Dehumidifier, Humidifier | Purifier, Dehumidifier, Fan |
| Filter types | Hepa h13, Carbon, Uv, IoniserCovers more | Hepa h13, Carbon, Uv |
| Certifications | Aham verifide, Energy star | Aham verifide, Energy star |
| Legal entity | Not confirmed | SainStore Inc. |
| Headquarters | Not confirmed | United States |
| Founded | 2018 | 1991Lower |
| Support channels | Email, Phone, Help centre | Email, Phone, Help centre, CommunityCovers more |
Water filters
| Fact | Airthereal | TOSOT Direct |
|---|---|---|
| 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 | TOSOT Direct | Median |
|---|---|---|---|
| Clean air delivery rate (m³/h) | 319.41below the median | 340below the median | 424.925 |
| Room size (m²) | 185above the median | 41.8lowest quarter | 124 |
| Filter change interval | 6 to 8 monthsbelow the median | 6 to 8 monthsbelow the median | 12 |
| Quietest noise level (dB) | 22below the median | 32above the median | 25 |
| Extraction per day (l/day) | Not confirmed | 23.7above the median | 23.66 |
| Water tank (l) | 1.5lowest quarter | 6.1highest quarter | 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
TOSOT Direct
Pros
- Entry price of $39.99 ranks 13 of 76 on price from across tracked brands.
- Covers purifier, dehumidifier and fan under one brand, so purifier and dehumidifier buying stay in the same place.
- The reference purifier carries aham verifide and energy star and runs quietly from 32 decibels.
Cons
- Room coverage of 41.8 square metres ranks 43 of 54, behind many purifier rivals.
- Clean air delivery of 340 m³/h ranks 28 of 47 on CADR.
- The range sits in US only, so buyers elsewhere look at Vornado Air, which lists humidifiers and fans alongside purifiers.
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
TOSOT Direct
Who it suits
- Renters and homeowners in the US buying at the entry end of the market, where $39.99 sets the tone.
- Anyone who wants purifier, dehumidifier and fan from one brand, since purifier, dehumidifier and fan covers all three.
- People who want help by phone as well as online, with support on email, phone and help centre and a warranty of 1 to 5 years.
Who should look elsewhere
- Open-plan living rooms, where 41.8 square metres of coverage falls short next to higher CADR brands.
- Anyone outside US, who should check a brand such as Clarifion instead.
- Buyers who want ionising filtration, since hepa h13, carbon and uv lists HEPA, carbon and UV only.
Country by country
| Country | Airthereal | TOSOT Direct |
|---|---|---|
| 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.
TOSOT Direct
How much does a TOSOT Direct air purifier cost at entry?+
The range starts at $39.99, and that entry figure ranks 13 of 76 brands on price from. Filter costs then run $59.99 to $79.98 a year, which is the number to add when comparing machines over more than the first year.
What are the yearly running costs of owning a TOSOT Direct purifier?+
The filter set in hepa h13, carbon and uv is the main ongoing expense, priced at $59.99 to $79.98 a year with a 6 to 8 months replacement interval. No subscription is listed, so the yearly filter cost is the standing commitment.