Ecoself HAP609 Air Purifier: CADR, Noise, Coverage & Specs
Last verified: Aug 22, 2026
Aug 2026
Quick verdict
The Ecoself HAP609 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
- 20 dB published minimum noise
- 3-Stage Filter 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
Ecoself HAP609 overview
The Ecoself HAP609 is an air purifier. It includes 3-Stage Filter filtration, 20 dB minimum noise, and Wi-Fi or app support.
- Claimed coverage
- 1800 sq ft
- Minimum noise
- 20 dB
- Filter type
- 3-Stage Filter
- Wi-Fi / app
- Yes
- Power
- 20 W
- Dimensions
- 7.2 × 7.2 × 13.9 in
- Weight
- 3.79 lb
- Last verified
- Aug 22, 2026
Ecoself HAP609 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.
Ecoself HAP609 noise level
Published minimum noise is 20 dB.
Maximum-speed noise is not in our sources.
Ecoself HAP609 filtration
Published filter type: 3-Stage Filter.
Filter replacement interval is not verified in our sources.
Ecoself HAP609 smart features
360° Air Intake, Smart Auto Mode, Real-time Air Quality Display, Sleep Mode
Ecoself HAP609 specifications
- Manufacturer claimed coverage
- 1800 sq ft
- Minimum noise
- 20 dB
- Filter type
- 3-Stage Filter
- Power
- 20 W
- Dimensions
- 7.2 × 7.2 × 13.9 in
- Weight
- 3.79 lb
- Wi-Fi / app
- Yes
About Ecoself air purifiers
Ecoself models in this catalog are compared by CADR, recommended room size, noise, and filter type.
Ecoself HAP609 comparisons
What is the CADR of the Ecoself HAP609?
CADR is not published for this model in our sources.
What room size is the Ecoself HAP609 suitable for?
Recommended room size cannot be derived because CADR is missing.
How loud is the Ecoself HAP609?
Minimum reported noise: 20 dB.
Does the Ecoself HAP609 have Wi-Fi?
Yes — app or Wi-Fi features are listed.
What filter does the Ecoself HAP609 use?
3-Stage Filter.
Methodology
Specifications are compiled from manufacturer documentation, product listings and other cited sources.
How we calculate recommended room size.