Bestbuy offers Dyson - Purifier Hot+Cool Gen1 HP10 - White for $399.99 (orig. $529.99) with free shipping.

Product Description:
The Dyson Purifier Hot+Cool Gen1 purifying fan automatically senses, captures and traps pollutants to purify your whole room.¹ It heats or cools the air, while removing 99.97% of particles as small as 0.3 microns.³

• Air Multiplier technology
  Circulates purified air throughout the whole room.¹
• All year-round purifier.
  Heats in the winter, cools you in the summer.
• Remote Control
  Curved and magnetized remote control stores neatly on the machine. Not app compatible.
• Oscillates
  Up to 350°
• Pre-set Run Time
  Programmed to turn off after pre-set intervals of 1, 2, 4 and 8 hours
• Fully sealed to HEPA Standard.
  So what goes inside, stays inside.²
• Night Mode.
  Night mode monitors and purifies using the quietest settings, with a dimmed display.