
Divon
The Dyson Purifier Cool Formaldehyde (TP09/DN09) is a smart air purifier, fan, and cooler that captures 99.97% of particles down to 0.1 µm with HEPA H13 filtration and continuously destroys formaldehyde via a self‑regenerating catalytic filter, while delivering up to 390 L/s of cooling airflow.
Pros
Current
$59.99
Average
$70.02
Lowest
$59.99
Highest
$89.99
Lower = better sales rank
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Cons
From Expert Reviews
Praised by Experts
Criticized by Experts
From User Reviews
Users Love
Users Complain About
Expert Opinion
Editors and professional reviewers commend the TP09 for its unique combination of high‑efficiency HEPA filtration, self‑regenerating formaldehyde destruction, and powerful cooling airflow, noting its suitability for modern homes with off‑gassing materials. They also point out the device’s strong oscillation coverage and quiet diffused mode, while warning that the high max noise level and tall, potentially unstable design may limit its appeal in noise‑sensitive or space‑constrained environments.
What Users Say
Consumers consistently praise the unit’s cooling power, effective allergy relief, and the convenience of app‑based control, with many calling the formaldehyde filter a breakthrough for indoor air quality. Recurring complaints focus on the device’s bulkiness, the need for regular filter replacement, occasional app or oscillation glitches, and the loudness at maximum speed.
Common Complaints
Loudness at top speed, bulkiness and stability concerns, annual filter replacement cost, occasional app connectivity issues, and sporadic oscillation glitches.
What People Are Saying
“cools entire room quietly”
“formaldehyde filter is a game-changer”
How It Compares
vs. Dyson HP09
Advantages
Disadvantages
Choose HP09 if you need heating; choose TP09 for formaldehyde removal and stronger cooling.
vs. Dyson TP10
Advantages
Disadvantages
TP09 is better for homes with off‑gassing furniture; TP10 suits buyers focused on cost.
vs. Levoit Core 600S
Advantages
Disadvantages
Levoit is a budget alternative for pure air cleaning; TP09 offers advanced smart features and chemical filtration.