New Delhi, May 6 -- The evolution of household appliances follows a predictable trajectory. Manual operation gives way to automation, which eventually matures into smart, connected ecosystems. Air purifiers offer detailed air quality parameters and remind you of filter changes before they're due, washing machines can diagnose their own mechanical faults, and lighting systems offer responsive, app-controlled experiences. Water purifiers are now entering this exact same upgrade cycle. As pollution increases, urban water quality fluctuates and maintenance costs rise, water purifiers too are evolving from basic filtration and hardware into transparent, trackable appliances.

Water purifiers have been treated as a "black box" appliance for a l...