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Yes, the Dyson Purifier Hot+Cool Formaldehyde (HP09) is capable of handling a space of approximately 400 square feet for both heating and air purification. Dyson does not provide explicit room size recommendations in square footage but instead emphasizes that their devices are designed for whole-room purification based on air circulation technology. Heating: The HP09 uses Jet Focus technology, which provides direct, focused heating or wider distribution for the entire room. It should be effective in heating a 400 sq ft space, depending on insulation and external temperature. Air Purification: The unit is equipped with a HEPA H13-grade filter and a sealed system to trap 99.97% of allergens and pollutants as small as 0.3 microns. Its powerful air multiplier ensures even distribution of purified air throughout the room, making it suitable for medium to large spaces like yours. Additional Considerations: If your space has high ceilings or poor insulation, the heating might take longer to achieve desired temperatures. Regular maintenance, such as cleaning the filters, ensures optimal performance.
Sorry, there was a problem. Please try again later.Hi John, this is Kelly with Dyson. The Dyson Purifier Hot+Cool Formaldehyde - HP09 will clean the air in any size room. The bigger the room, the longer the machine will take to purify it as there is more air in the room. In a room of 139ft², the purifier fan will purify the room in 27 minutes. In a smaller room, it will take less time to purify the air; in a bigger room, it will take longer to purify the air. Best wishes, Kelly Dyson Customer Support
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