We may not have personally tested every product. This review is based on official product information, product specifications and comparative research. It is not medical advice.
Featured products to compare
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Dyson HushJet Compact Purifier HJ10
A compact smart purifier for rooms up to 203 square feet, with electrostatic filtration, carbon gas treatment and quiet operation.
Dyson Purifier Cool PC2 De-NOx
A tall smart purifier with HEPA H13-grade filtration, K-Carbon, formaldehyde catalyst, wide oscillation and powerful fan airflow.
Dyson Purifier Hot+Cool HP2 De-NOx
A three-in-one purifier, fan and electric room heater with advanced gas treatment, formaldehyde destruction and connected control.
Dyson Purifier Humidify+Cool PH2 De-NOx
A smart purifier, fan and one-gallon humidifier with UV water treatment, 36-hour positioning and guided Deep Clean cycle.
Dyson’s air-treatment range combines particle filtration, gas adsorption, air-quality sensing and high-velocity airflow. Depending on the model, the same platform can also provide personal cooling, electric room heating or evaporative humidification.
This review compares four products that represent the 2026 US lineup: HushJet Compact Purifier HJ10, Purifier Cool PC2 De-NOx, Purifier Hot+Cool HP2 De-NOx and Purifier Humidify+Cool PH2 De-NOx. We examine current prices, filtration, room-use positioning, noise, airflow, sensors, filter life, maintenance, warranty, shipping and returns.
Health and safety note: A room purifier reduces airborne particles and selected gases that pass through the machine. It does not diagnose or treat asthma, allergies or infection, and it does not replace source control, ventilation, carbon-monoxide alarms or medical care.
Four standout Dyson air-treatment products
1. Dyson HushJet Compact Purifier HJ10 — $299.99 sale price
HushJet HJ10 is the best overall recommendation for buyers who primarily want air purification rather than a tall fan, heater or humidifier. It is compact, quiet and uses Dyson’s newer electrostatic-filter platform.
- Best use: bedrooms, offices and smaller rooms where quiet dedicated purification matters.
- Current price: $299.99, reduced from $349.99.
- Published room size: up to 203 square feet under Dyson’s stated purification test.
- Published CADR: 131 cubic feet per minute in Dyson’s launch information.
- Particle filtration: captures 99.97% of particles as small as 0.3 microns under the stated test method.
- Gas and odor stage: separate activated-carbon filter for selected gases, pet odors and cooking odors.
- Electrostatic-filter life: positioned for up to five years based on 12 hours of use per day and the stated decline threshold.
- Acoustic figures: approximately 24 dB in Sleep mode and 41 dB at maximum purification.
- Smart functions: PM2.5 sensing, Auto mode, LCD display, MyDyson app, schedules and compatible voice control.
- Dimensions: approximately 9.06 inches wide and 18.5 inches tall.
- Weight: about 6.9 pounds.
- Warranty: two-year limited warranty.
- Main drawback: it has no heating or humidification and its carbon stage remains a separate recurring consumable.
2. Dyson Purifier Cool PC2 De-NOx — $849.99
The PC2 is a tall purifier and fan that adds advanced gas treatment and formaldehyde destruction. Its K-Carbon stage is positioned for stronger nitrogen-dioxide adsorption than Dyson’s standard carbon filter.
- Best PC2 use: living rooms where purification, smart monitoring and strong personal cooling airflow are all useful.
- Current price: $849.99 for the White/Gold configuration.
- Filtration: fully sealed three-stage HEPA H13-grade, K-Carbon and catalytic formaldehyde system.
- Particle claim: captures 99.97% of particles as small as 0.3 microns under ISO-based testing.
- NO2 positioning: K-Carbon adsorbs 50% more nitrogen dioxide than the referenced regular activated-carbon setup in Dyson’s chamber test.
- Formaldehyde stage: catalytic filter continuously destroys formaldehyde and is not scheduled for routine replacement.
- Airflow: Air Multiplier technology projects more than 76 gallons of air per second at the stated maximum fan condition.
- PC2 oscillation: up to 350 degrees.
- Speed selection: ten airflow settings.
- Smart control: LCD, MyDyson app, schedules, voice services and Matter-compatible platforms.
- Physical size: 41.3 inches tall and approximately 10.8 pounds.
- Main-filter interval: HEPA+K-Carbon replacement recommended around every 12 months based on 12 hours of daily use.
- Main drawback: Dyson does not publish a familiar AHAM CADR or simple square-foot rating on the current product page.
3. Dyson Purifier Hot+Cool HP2 De-NOx — $949.99
The HP2 uses the same advanced three-stage purification concept as PC2 and adds electric room heating. It can purify throughout the year, provide directional fan airflow in warm weather and supply supplemental heat in winter.
- Best HP2 use: bedrooms and living areas where one appliance can replace a purifier, fan and space heater.
- Current price: $949.99 for the White/Gold configuration.
- Purification: sealed HEPA H13-grade, K-Carbon and catalytic formaldehyde filtration.
- Heating: long-range projection is designed to distribute heated purified air around the room.
- Summer mode: projects fan airflow for personal cooling; it is not an air conditioner.
- Air delivery: more than 76 gallons per second in the referenced fan-mode test.
- HP2 rotation range: up to 350 degrees.
- Fan adjustment: ten selectable settings.
- Connected features: MyDyson app, schedules, air-quality history and supported voice control.
- Dimensions: about 30.1 inches tall with a 9.8-inch base diameter.
- Weight: approximately 12.2 pounds.
- Filter schedule: HEPA+K-Carbon replacement around every year under the stated usage assumption.
- Main drawback: electric heating increases energy use substantially compared with purification-only operation.
4. Dyson Purifier Humidify+Cool PH2 De-NOx — $1,099.99
The PH2 combines advanced purification, evaporative humidification and fan airflow. It is the most complex featured product and requires both filter replacement and routine water-system cleaning.
- Best PH2 use: dry climates and conditioned rooms where purification and controlled humidification are both used regularly.
- Current price: $1,099.99 for the Nickel/Gold configuration.
- Tank capacity: one gallon.
- Published humidification runtime: up to 36 hours under Dyson’s stated conditions.
- Water treatment: 275 nm Ultraviolet Cleanse system tested for 99.9% reduction of selected bacteria in humidification water under the named setup.
- Purification: sealed HEPA H13-grade, K-Carbon and formaldehyde-destroying catalytic stages.
- Projected airflow: more than 76 gallons per second under the referenced maximum fan test.
- PH2 oscillation range: up to 90 degrees.
- Control: LCD, remote, MyDyson app, schedules, humidity target and supported smart-home services.
- Water-path maintenance: guided monthly Deep Clean cycle.
- Dimensions: about 36.3 inches tall with a 12.3-inch base.
- Weight: approximately 17.9 pounds.
- Filter schedule: HEPA+K-Carbon replacement around every 12 months under the published assumption.
- Main drawback: it is expensive, large and maintenance-intensive, and its cooling remains fan airflow rather than refrigeration.
What makes Dyson air treatment different?
Dyson designs the purifier, sensor system, filter seal and air projection as one machine. The tall PC2, HP2 and PH2 models also act as room-air circulators instead of simply pulling air through a rectangular box.
The trade-off is cost. Dyson emphasizes industrial design, airflow direction, connected control and multifunction use more than low cost per unit of clean-air delivery.
HushJet versus Dyson tower purifiers
HushJet is a dedicated compact purifier with a published 203-square-foot room claim and 131 cfm CADR in Dyson’s launch material. It is the easiest Dyson model to compare with conventional bedroom purifiers.
PC2, HP2 and PH2 provide directional airflow and extra functions but do not publish familiar AHAM smoke, dust and pollen CADR values on their main pages.
Choose HushJet when purification is the priority. Choose a tower model when fan projection, heating or humidification would replace another appliance.
PC2 versus HP2
PC2 is taller and focused on purification plus cooling airflow. HP2 is shorter and adds electric heating.
The filtration, app platform, annual HEPA+K-Carbon schedule and formaldehyde catalyst are broadly similar. The HP2 premium is worthwhile only when the heater will be used.
HP2 versus PH2
HP2 heats and does not humidify. PH2 humidifies and does not provide room heating.
PH2 requires a water tank, monthly Deep Clean process and more floor space. HP2 requires safe heater clearance and can draw much more power during heat mode.
Cooling is not air conditioning
PC2, HP2 and PH2 move room-temperature air across the user. This can improve comfort through evaporation from the skin.
They do not contain a refrigeration compressor and do not lower room temperature like an air conditioner.
Heating is supplemental room heat
HP2 can distribute electric heat around a room and maintain a selected target temperature.
It should not be treated as a whole-home heating system. Keep the intake and outlet clear and follow the heater-safety instructions.
Humidification requires humidity control
PH2 adds moisture through evaporative humidification. In dry conditions, added moisture may improve comfort.
Indoor humidity should not be raised high enough to support condensation or mold. A separate accurate humidity check can be useful.
HEPA H13-grade wording
Dyson states that the PC2, HP2 and PH2 systems are fully sealed and use HEPA H13-grade filtration. The airflow path is designed to reduce leakage around the filter.
The 99.97% particle figure describes performance under the cited test, not instant removal of 99.97% of particles from every real room.
Electrostatic filtration in HushJet
HushJet uses charged synthetic media with lower airflow resistance than dense conventional media. Dyson uses this to support compact size, low noise and long service life.
The five-year figure is tied to a specific decline threshold and 12 hours of daily operation. Pollution levels can shorten actual life.
K-Carbon and nitrogen dioxide
The K-Carbon filter is impregnated with potassium carbonate and is tested to adsorb 50% more NO2 than the referenced standard carbon setup.
This relative improvement does not mean the purifier removes every gas or eliminates the need for ventilation around combustion sources.
Formaldehyde destruction
PC2, HP2 and PH2 include a catalytic filter that converts formaldehyde rather than merely storing it in carbon. Dyson states that this catalyst does not need routine replacement.
The claim is linked to Dyson’s whole-machine test method. Real concentration depends on emissions from furniture, building materials and household products.
Particle and gas sensors
Integrated sensors report selected particles, gases, temperature and humidity depending on the model. Auto mode adjusts operation when measured pollution changes.
No consumer sensor measures every pollutant. A favorable display does not prove that carbon monoxide, radon, mold or every VOC is absent.
MyDyson app
Compatible machines can be scheduled, monitored and adjusted remotely. The app also provides historical environmental data and filter alerts.
Connected functions depend on Wi-Fi, account access, software support and privacy terms. Core operation remains available from the machine or remote.
Diffused mode and airflow direction
PC2 and HP2 can route airflow through the rear in Diffused mode to purify without sending the strongest cooling stream toward the user.
PH2 distributes humidified air through a narrower oscillation range, while HushJet projects a concentrated vertical jet.
Room-coverage transparency
Dyson uses proprietary whole-room tests for several tall models and does not prominently publish AHAM CADR on their US product pages.
This makes direct comparison with conventional purifiers less precise. High airflow projection should not automatically be treated as high smoke CADR.
Placement
Keep the intake clear of walls, curtains and furniture. Air must enter and leave the machine without obstruction.
PH2 also needs convenient access for tank removal. HP2 needs safe clearance from combustible materials during heating.
Filter replacement
PC2, HP2 and PH2 recommend replacing the combined HEPA+K-Carbon filter about every year based on 12 hours of daily use.
HushJet separates the long-life electrostatic filter from the gas-and-odor carbon stage. Follow its LCD or app alert rather than assuming both filters age identically.
Do not wash main air filters
HEPA, electrostatic and activated-carbon cartridges should not be washed unless the exact model guide explicitly permits it.
Water can damage charged media, carbon and structural seals. Exterior surfaces and accessible intakes should be cleaned according to the manual.
PH2 water-system maintenance
Fill the tank with suitable clean water and run the guided Deep Clean cycle when prompted. Scale accumulation depends on water hardness.
UV treatment of humidification water does not remove mineral scale or eliminate the need to clean the tank, evaporator and water path.
Noise expectations
HushJet has the clearest current acoustic figures: 24 dB in Sleep mode and 41 dB at maximum purification.
The taller machines become more audible at high airflow. Sleep mode lowers sound and display brightness but also reduces cleaning speed.
Energy use
Purification-only operation is generally less energy-intensive than electric heating. HP2 heat mode is the feature most likely to affect electricity cost.
PH2 also powers a pump, UV water system and humidification controls. Auto mode can reduce unnecessary operation when targets are met.
Two-year warranty
The featured Dyson air-treatment machines carry a two-year limited warranty on qualifying direct or authorized purchases.
Consumable filter life, accidental damage, misuse and incorrect maintenance are different from a manufacturing defect.
Thirty-day returns
Dyson Direct accepts eligible machine returns within 30 days from delivery and states that it pays return shipping.
The machine, accessories and attachments should be returned in the original packaging. Refurbished machines are final sale and receive warranty service instead.
Shipping
Dyson’s current direct-store language provides free shipping on orders of $50 or more, with an estimated two-to-seven-business-day delivery window.
Orders at $49.99 or below can incur a $4.99 fee, while parts or accessories may ship separately.
What we like
- HushJet provides compact purification with unusually low published noise.
- The long-life electrostatic-filter positioning can reduce replacement frequency.
- PC2 combines strong airflow with advanced gas and formaldehyde treatment.
- HP2 can replace a purifier, fan and supplemental heater.
- PH2 adds a one-gallon humidifier with guided cleaning.
- The MyDyson platform provides schedules and environmental history.
- Dyson Direct includes two-year coverage and paid 30-day return shipping.
What could be better
- PC2, HP2 and PH2 cost much more than many high-CADR box purifiers.
- AHAM CADR is not prominently published for the tall models.
- Cooling claims can be confused with air conditioning.
- PH2 requires recurring water-system maintenance.
- Annual HEPA+K-Carbon replacement adds ownership cost.
- Smart features depend on Wi-Fi and account support.
- The many similar model names make selection confusing.
Which Dyson product should you choose?
- Choose HushJet HJ10 for the best overall balance of price, quiet operation and dedicated bedroom purification.
- Choose Purifier Cool PC2 for purification plus strong fan airflow and advanced gas treatment.
- Choose Purifier Hot+Cool HP2 when electric room heating will replace a separate space heater.
- Choose Purifier Humidify+Cool PH2 for dry rooms that need purification and controlled humidification together.
Who should consider Dyson?
Dyson air treatment is best suited to buyers who value industrial design, directional airflow, app control and multifunction use enough to accept premium pricing.
The range is less suitable for shoppers whose priority is the lowest cost per unit of CADR, inexpensive replacement filters or a simple purifier with no connected features.
Final verdict
Dyson offers a distinctive air-treatment ecosystem, but the models serve very different needs. HushJet HJ10 is the strongest recommendation for most people because it is quieter, smaller and far less expensive than the multifunction towers.
PC2 is the premium purifier-fan, HP2 adds useful winter heat and PH2 is the specialist choice for dry indoor air. Their value depends on whether the extra function genuinely replaces another appliance.
Overall, Dyson is worth considering for design and multifunctionality. Buyers focused primarily on particle-cleaning value should compare HushJet’s CADR and room size with conventional purifiers before paying for a taller model.
Editorial note: This review is based on official Dyson US product, support, warranty, shipping and return information checked on August 3, 2026. Prices, promotions, availability, test claims and policies can change. The article does not claim firsthand testing or provide individualized medical advice.
Pros and cons
What stands out
- Distinctive industrial design
- Sealed filtration systems
- Advanced gas treatment
- Useful connected controls
- Strong multifunction options
Trade-offs
- Premium pricing
- Limited CADR transparency
- Proprietary filters
- Complex PH2 maintenance
- Potential cooling-claim confusion
Rating details
Product details
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