Dyson Purifier Hot+Cool Review: An investment for the cold, polluted winters

It is finally cold and polluted enough in Noida to test the Dyson Purifier Hot + Cool. While it is not yet that cold for one to need a heater in the room, it is so polluted that multiple air purifiers in my home have been running non-stop for days to ensure the air inside is good enough for my 10-year-old. So when I…