Dyson Purifier Big+Quiet Formaldehyde BP04

This model is engineered for large rooms and open-concept areas, providing coverage for spaces up to 4,000 square feet. It is capable of projecting purified air over 32 feet to ensure circulation throughout the entire room.

Yes. It features a Selective Catalytic Oxidization filter that continuously breaks down formaldehyde molecules into water and CO₂. Unlike standard carbon filters that can become saturated, this catalytic filter does not need to be replaced.

Yes, the unit functions as both a purifier and a cooling fan. It features 10 adjustable speed settings, allowing you to choose between gentle air circulation or a more powerful cooling breeze.

The purifier includes an integrated sensor that monitors CO₂ levels in real-time. It will provide alerts through the MyDyson app if levels become elevated, helping you determine when it is time to open a window or improve ventilation in your space.

The Big+Quiet is specifically engineered for acoustic performance, utilizing a re-engineered motor bucket to minimize noise. While it is powerful enough to reach 32 feet, it remains relatively quiet even at higher settings compared to traditional industrial-style air purifiers.

The system uses a three-stage filtration process consisting of a HEPA H13-grade filter and a K-Carbon filter, both of which will eventually require replacement based on usage. The Selective Catalytic Oxidization filter is designed to be permanent and does not require replacement.

Yes, the unit is compatible with voice commands via Amazon Alexa and Google Assistant for hands-free control. Additionally, the device comes with a remote control for manual adjustments if you prefer not to use the app.