Once I removed the unit and installed the included carbon filters, I was very impressed with the overall design. ... The Dyson Pure Hot+Cool is an air purifier, heater and fan in one.

Air purifiers outfitted with a HEPA filter are more equipped to trap allergens like pollen, dust, and mold, while others carbon filters remove denser particles, like smoke and odors, from the air.

We've tested and reviewed products since 1936. Read CR's review of the Nordic Pure Pure Carbon AC Furnace Filters air filter to find out if it's worth it.