The Qubo Q400 is where smart tech meets solid air cleaning. Made by the Hero Group, it’s a purifier that blends intelligent features with serious performance designed with Indian homes in mind. It’s perfect for rooms up to 400 sq. ft., like medium-sized bedrooms or living areas, and has a pretty decent CADR of 300 m³/h, so it clears the air quite fast. What makes it stand out is the 4-layer filter setup: you’ve got a pre-filter, an H13 HEPA filter, activated carbon for odours and gases, and a nano-silver layer that helps tackle microbes. Another cool bit? It shows you the difference between your indoor air and outdoor AQI using live data from govt. Sources. It supports WiFi and pairs with the Qubo app, Alexa, and Google too so yeah, you can control it by voice or phone. You’ll see real-time PM2.5 levels, get alerts when the filter’s due, and the 360° air intake ensures all corners of your room stay fresh. It also boasts a long 9,000-hour filter life, which means fewer replacements and less hassle. Backed by Hero, this sleek machine is one of the smarter choices if you want clean air without babysitting the settings all the time. Ideal for modern Indian homes that like a little tech with their health.

Specifications

  • Brand: Qubo (by Hero Group)
  • Model: Q400
  • Coverage Area: Up to 400 sq. ft.
  • CADR: 300 m³/h
  • Filtration System: Pre-filter + H13 True HEPA + Activated Carbon + Nano-Silver
  • Filtration Efficiency: Removes 99.99% of pollutants (PM0.1)
  • Control Method: App + Voice (Alexa, Google)
  • Modes: Auto, Manual, Sleep, QSensAI
  • Air Intake: 360° coverage
  • Smart Features: AQI monitoring, auto on/off, filter reminders
  • Filter Life: Up to 9,000 hours
  • Dimensions: 23.8D x 23.8W x 40.9H cm
  • Weight: 5.3 kg
  • Noise Level: Quiet (BLDC motor, exact dB not specified)
  • Power Source: Corded Electric

Who Is It For?

  • Users looking for app-based or voice-controlled air purification
  • Families wanting reliable air quality for medium-sized rooms
  • Tech-savvy buyers seeking affordable smart features

Pros

  • Smart AI-based auto mode and app control
  • Trusted Indian brand backed by Hero Group
  • Long-lasting filter life with timely reminders

Con

  • Not suitable for large hall-sized rooms or commercial use

Customer Review 

Many appreciate its real-time air quality updates, ease of app integration, and efficient filtering. While some wish the build quality was slightly heavier, it’s largely seen as a smart, value-for-money choice for daily home use.