Dreo DR-HAP009S Air Purifier: CADR, Noise, Coverage & Specs
Last verified: Aug 22, 2026
Aug 2026
Quick verdict
The Dreo DR-HAP009S is best suited to rooms where published specs can be checked against your space where quiet minimum operation and app control are priorities. Buyers should separately evaluate filter cost and maximum-speed noise before deciding.
Best for
- Low-noise minimum settings
- App or Wi-Fi control
Consider alternatives if
- You need a verified maximum-speed noise figure
- Filter replacement interval or cost is a deciding factor
Verified strengths
- 18 dB published minimum noise
- 3-in-1 HEPA Filter (Pre-filter, HEPA, Activated Carbon) filtration (as published)
- Wi-Fi or app control
Verified limitations or missing information
- Maximum-speed noise is not in our sources
- Filter replacement interval is not verified
- Smoke CADR is not published
Dreo DR-HAP009S overview
The Dreo DR-HAP009S is an air purifier. It includes 3-in-1 HEPA Filter (Pre-filter, HEPA, Activated Carbon) filtration, 18 dB minimum noise, and Wi-Fi or app support.
- Claimed coverage
- 1176 sq ft
- Minimum noise
- 18 dB
- Filter type
- 3-in-1 HEPA Filter (Pre-filter, HEPA, Activated Carbon)
- Wi-Fi / app
- Yes
- Weight
- 6.9 lb
- Last verified
- Aug 22, 2026
Dreo DR-HAP009S CADR and room size
Our recommended room size uses approximately 4.8 air changes per hour with an eight-foot ceiling. Manufacturer coverage figures may use a lower air-change rate and are shown separately.
Dreo DR-HAP009S noise level
Published minimum noise is 18 dB.
Maximum-speed noise is not in our sources.
Dreo DR-HAP009S filtration
Published filter type: 3-in-1 HEPA Filter (Pre-filter, HEPA, Activated Carbon).
Filter replacement interval is not verified in our sources.
Dreo DR-HAP009S smart features
Wi‑Fi/Voice/Alexa control, HEPA Sleep Mode, Air Quality Monitor, PM2.5 Monitor
Dreo DR-HAP009S specifications
- Manufacturer claimed coverage
- 1176 sq ft
- Minimum noise
- 18 dB
- Filter type
- 3-in-1 HEPA Filter (Pre-filter, HEPA, Activated Carbon)
- Weight
- 6.9 lb
- Wi-Fi / app
- Yes
About Dreo air purifiers
Dreo models in this catalog are compared by CADR, recommended room size, noise, and filter type.
Dreo DR-HAP009S comparisons
What is the CADR of the Dreo DR-HAP009S?
CADR is not published for this model in our sources.
What room size is the Dreo DR-HAP009S suitable for?
Recommended room size cannot be derived because CADR is missing.
How loud is the Dreo DR-HAP009S?
Minimum reported noise: 18 dB.
Does the Dreo DR-HAP009S have Wi-Fi?
Yes — app or Wi-Fi features are listed.
What filter does the Dreo DR-HAP009S use?
3-in-1 HEPA Filter (Pre-filter, HEPA, Activated Carbon).
Methodology
Specifications are compiled from manufacturer documentation, product listings and other cited sources.
How we calculate recommended room size.
Sources
All air purifiers · Dreo air purifiers · Best air purifiers for allergies · Methodology