India, Dec. 18 -- Clean air changes the way you move through a room. You feel it in calmer mornings, easier breathing and the simple relief of a workspace that doesn't leave you foggy by lunchtime. It's why brands like Coway, Honeywell, Dyson and Shark are finding a place in more homes today. Their machines don't just push air around; they use sealed HEPA systems, multi-stage filtration and smarter airflow design to handle the mix of dust, fumes, pet hair and fine particulate that builds up indoors. Some focus on long filter life, some on low noise, others on strong CADR performance for tougher pollution days. The challenge is understanding what suits your space and your rhythm, not collecting features for the sake of it. From home office...