Clean Air Optima CA-508
Its CADR is not known yet, so it is not in our ranking.
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Before you buy, compare it with 2 recommended alternatives
No shop here sells this model today, so beside it the highest-scored model for the same room size that one does, and the cheapest of the top 10.
Green is the best of these 3, also when they share the lead.
| This model Clean Air Optima CA-508 | Highest score here Clean Air Optima CA-503 Compact Best on 3 facts | Cheapest of the top 10 Xiaomi Smart Air Purifier 4 Compact | |
|---|---|---|---|
| Price and ranking | |||
| Lowest price | – | 132 €OTTO best | 189 €OTTO |
| Score | not in our ranking | best | |
| Rank | – | rank 1 of 1 for small rooms | rank 2 of 2 for medium rooms |
| Customer rating | – | – | – |
| Room size | |||
| Room size | –up to 80 m² | small roomsup to 30 m² | medium roomsup to 27 m² |
| Size, noise and age | |||
| Height lower is better | 70 cm | 27.4 cm best | 35.5 cm |
| On the market since | – | – | – |
Facts as the maker states them. A dash means the maker does not name it. Each model’s page gives the source of every fact. Noise is the maker’s own figure, so we do not judge it, and a customer rating only counts from 20 reviews.
Clean Air Optima CA-508 specifications
The numbers that matter first, then every fact by group. As published by the maker or the shop we read it from.
Consumables: The filter lasts about 6 months.
Cleaning performance 3 facts
- CADR measured to
The test the CADR comes from. AHAM AC-1 and the DOE test are independent and comparable. A maker's own test is not.
- AHAM AC-1 (US standard)
- CADR for pollen
The CADR measured with pollen.
- 253 m³/h
- Room size the maker claims
The room size the maker states. Makers use different rules, so we show it but never rank on it.
- 80 m²
Filter 3 facts
- HEPA filter class
How fine the filter is. True HEPA and H13 catch at least 99.97% of particles at 0.3 microns. HEPA-type is a weaker claim with no test behind it.
- True HEPA
- Filter layout
Whether the particle and carbon layers are one filter or separate ones. Separate filters let you replace only the part that is spent.
- Separate filters
- Activated carbon filter
A filter of activated carbon that takes out smells and some gases. It does not catch particles.
- yes
Running costs 1 fact
- Filter life
How long the maker says a filter lasts, in months of normal use. A filter that is spent cleans less.
- 6 months
Noise and power 3 facts
- Noise at the lowest speed
The sound level at the lowest speed, as the maker measures it.
- 38 dB
- Noise at the highest speed
The sound level at the highest speed, as the maker measures it.
- 60 dB
- Power at the highest speed
The power the purifier draws at its highest speed.
- 48 W
Build 2 facts
- Height
How tall the purifier is. It decides whether it fits on a shelf or under a window sill.
- 70 cm
- Weight
What the purifier weighs. It counts most if you move it from room to room.
- 5 kg
Warranty and certification 1 fact
- Maker model numbers
- CA-508
Sources: Manual
The maker
Clean Air Optima
- Reviews on Trustpilot
- Headquarters: Netherlands
- Owned by Clean Air Optima International B.V., Netherlands
Clean Air Optima is a brand of Clean Air Optima International B.V., a company registered with the Dutch Chamber of Commerce in the Netherlands. Its range of standalone air treatment appliances includes air purifiers, humidifiers, air washers and dehumidifiers, along with hybrid models that combine humidifying or dehumidifying with air purification.