Winix 5520 & Winix 5510 share many similarities, but there are also important differences, such as quality, performance, features, design, and connectivity. If you want the best one between them, I Would recommend the Winix 5520 rather than the Winix 5510.

Why Do I Recommend The Winix 5520?
- The Winix 5520 has a touch control panel for faster and more precise adjustments during daily use, while the Winix 5510 uses physical buttons.
- Winix 5520 includes a remote control to allow convenient operation from across the room or bed, whereas the Winix 5510 does not include a remote control.
- It features four fan speeds to provide finer airflow control for changing air quality conditions, while the Winix 5510 supports only three fan speeds.
- The Winix 5520 has enhanced auto mode sensitivity for quicker fan response when pollutants are detected, whereas the Winix 5510 uses a more basic auto mode response.
- Winix 5520 comes with a thicker activated carbon filter to improve odor and VOC reduction in kitchens or pet areas, while the Winix 5510 uses a thinner carbon filter.
- It includes a multi-stage filter life indicator to better track maintenance timing, whereas the Winix 5510 relies on a simpler single-stage indicator.
- The Winix 5520 has quieter low-speed noise tuning for more comfortable nighttime or office use, while the Winix 5510 produces slightly higher noise at comparable speeds.
- Winix 5520 features a more refined housing finish for better durability and a more premium appearance in living spaces, compared to the Winix 5510’s standard exterior design.
Maybe the Winix 5510 price can make you comfortable because it’s a little bit cheaper than the Winix 5520. But you have to compromise all the above-mentioned features. Now the Decision is Yours. I hope it was helpful to choose the right one.
Side By Side Comparison
| Feature | Winix 5520 | Winix 5510 |
| Model series | 5520 | 5510 |
| Control panel type | Touch | Buttons |
| Remote control | Included | Not included |
| Fan speeds | 4 | 3 |
| Auto mode tuning | Enhanced | Standard |
| Sensor response | Faster | Slower |
| Air quality indicator | Multi-step | Basic |
| Filter status indicator | Multi-stage | Single-stage |
| Carbon filter build | Thicker | Thinner |
| Odor/VOC focus | Higher | Lower |
| Airflow tuning | Higher | Standard |
| Noise tuning (low) | Quieter | Louder |
| Sleep display behavior | Auto-dim | Off/basic |
| Eco/energy mode | Enhanced | Standard |
| Housing finish | Premium | Standard |
| Aftermarket filter options | More variants | Fewer variants |
| Replacement filter cost | Higher | Lower |
| Price | Check Winix 5520 Price | Check Winix 5510 Price |
Common Features
| Feature | Winix 5520 | Winix 5510 |
| True HEPA filtration | Yes | Yes |
| Pre-filter | Washable | Washable |
| PlasmaWave technology | Yes | Yes |
| Air quality sensor | Yes | Yes |
| Auto mode | Yes | Yes |
| Sleep mode | Yes | Yes |
| Filter replacement indicator | Yes | Yes |
| Dust particle removal | 99.97% @ 0.3 microns | 99.97% @ 0.3 microns |
| Odor reduction capability | Carbon-based | Carbon-based |
| Room size class | Medium to large rooms | Medium to large rooms |
| Fan speed adjustment | Yes | Yes |
| Manual control option | Yes | Yes |
| Energy-saving operation | Yes | Yes |
| Ozone-free operation | Yes | Yes |
| AC motor type | Standard AC | Standard AC |
| Floor-standing design | Yes | Yes |
| Rectangular tower form | Yes | Yes |
| Price | Check Winix 5520 Price | Check Winix 5510 Price |