bestatbestThe best product at the best price

↑ ↓ move↵ openEsc close

Clean Air Optima CA-509Pro

No store we follow ships this model to the United States. This page says what it can do, and which similar robots you can buy here.

Which robot is right for your home? Find out in 7 questions →

Clean Air Optima CA-509Pro

Before you buy, compare it with 2 recommended alternatives

No store 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-509Pro Cheapest of the top 10 Levoit Vital 200S-P Highest score here Levoit Core 400S-P Best on 1 fact
Price and ranking
Lowest price – $189Levoit (brand store) $189Levoit (brand store)
Score not in our ranking 6.1 8.3 best
Rank – rank 5 of 13 for large rooms rank 1 of 13 for large rooms
Customer rating – – –
Room size
Room size same on all large rooms large rooms large rooms
Size, noise and age
On the market since – June 2023 June 2023

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-509Pro specifications

The numbers that matter first, then every fact by group. As published by the maker or the store we read it from.

Clean air delivery rate (CADR)235 cfm
Room size we compare on358 ft²
Power at the highest speed53 W
Cleaning performance 3 facts
Clean air delivery rate (CADR)

How much clean air the purifier delivers an hour, measured with smoke, dust and pollen. A higher figure cleans a bigger room or the same room faster.

235 cfm (400 m³/h)
Room size we compare on

The room size where the purifier changes the air 4.8 times an hour under a 2.5 m ceiling, worked out from its CADR. We use it so every model is compared on the same rule.

358 ft² (33 m²)
Room size the maker claims

The room size the maker states. Makers use different rules, so we show it but never rank on it.

969 ft² (90 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.

One combined filter
Activated carbon filter

A filter of activated carbon that takes out smells and some gases. It does not catch particles.

yes
Noise and power 2 facts
Noise at the highest speed

The sound level at the highest speed, as the maker measures it.

55 dB
Power at the highest speed

The power the purifier draws at its highest speed.

53 W
Air quality sensing 2 facts
Air quality sensors

What the purifier measures in the air. A particle sensor lets it speed up and slow down by itself.

PM2.5, Temperature, Humidity
Automatic mode

The fan speed follows the air quality the sensor reads.

yes
Smart features and warranty 1 fact
App control

Wi-Fi
Build 1 fact
Weight

What the purifier weighs. It counts most if you move it from room to room.

16.5 lb (7.5 kg)
Warranty and certification 2 facts
Warranty

The warranty the maker gives in the United States.

2 years
Maker model numbers

CA-509Pro Smart

Sources: Manual

We keep your report and the address of this page, not your name, email address or IP address.