FreAire HAP611WF Air Purifier: CADR, Noise, Coverage & Specs
Last verified: Sep 20, 2026
Sep 2026
Quick verdict
The FreAire HAP611WF 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
- True 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
FreAire HAP611WF overview
The FreAire HAP611WF is an air purifier. It includes True filtration, 20 dB minimum noise, and Wi-Fi or app support.
- Claimed coverage
- 3850 sq ft
- Minimum noise
- 20 dB
- Filter type
- True
- Wi-Fi / app
- Yes
- Weight
- 6.5 lb
- Last verified
- Sep 20, 2026
FreAire HAP611WF 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.
FreAire HAP611WF noise level
Published minimum noise is 20 dB.
Maximum-speed noise is not in our sources.
FreAire HAP611WF filtration
Published filter type: True.
Filter replacement interval is not verified in our sources.
FreAire HAP611WF smart features
5‑layer filtration (washable pre‑filter, True HEPA, activated carbon), Real‑time PM2.5 display with colour‑changing light strip, Auto mode adjusts fan speed based on sensor data, Smart app control (Wi‑Fi, 2.4 GHz)
FreAire HAP611WF specifications
- Manufacturer claimed coverage
- 3850 sq ft
- Minimum noise
- 20 dB
- Filter type
- True
- Weight
- 6.5 lb
- Wi-Fi / app
- Yes
About FreAire air purifiers
FreAire models in this catalog are compared by CADR, recommended room size, noise, and filter type.
FreAire HAP611WF comparisons
What is the CADR of the FreAire HAP611WF?
CADR is not published for this model in our sources.
What room size is the FreAire HAP611WF suitable for?
Recommended room size cannot be derived because CADR is missing.
How loud is the FreAire HAP611WF?
Minimum reported noise: 20 dB.
Does the FreAire HAP611WF have Wi-Fi?
Yes — app or Wi-Fi features are listed.
What filter does the FreAire HAP611WF use?
True.
Methodology
Specifications are compiled from manufacturer documentation, product listings and other cited sources.
How we calculate recommended room size.
Sources
All air purifiers · FreAire air purifiers · Best air purifiers for allergies · Methodology