India, Dec. 2 -- A rising number of people across India are turning to air purifiers as pollution spikes and indoor spaces become harder to manage. Many homes now rely on these machines to keep the air cleaner, especially when someone struggles with dust allergies or breathing issues. As more buyers look for reliable devices, understanding what to check before bringing one home becomes important.

Here are five key factors to keep in mind before bringing one home.

A HEPA (High-Efficiency Particulate Air) filter remains the most important part of an air purifier. It traps tiny particles around 0.3 microns, including dust, pollen and certain microbes. Many devices come with basic filters, but you should confirm whether the model is HEPA-ce...