Our Verdict
The HP09 justifies its price by combining three separate appliances. The sealed HEPA H13 system and VOC sensors go beyond what most standalone purifiers offer. For allergy sufferers wanting year-round air management and heating, it's the most complete single product available.
Pros & Cons
✓ Pros
- Three functions in one: heater, fan and HEPA H13 air purifier
- Real-time particulate and VOC sensors display air quality continuously
- Fully sealed system — air only exits through the filter, not around it
- Projects purified air across the whole room (not just near the unit)
- App control and scheduling — runs intelligently without intervention
✗ Cons
- £600+ for a fan/heater/purifier combination
- Heater function raises electricity costs if used frequently
- Filter replacement costs £60-70 per year — budget for this
Key Specifications
| Functions | Heater + fan + purifier |
|---|---|
| Filter | HEPA H13 + activated carbon |
| Sensors | PM2.5, PM10, VOC, NOx, humidity, temperature |
| Coverage | Up to 70m² |
| Warranty | 2 years |
Performance
The HP09 justifies its price by combining three separate appliances. The sealed HEPA H13 system and VOC sensors go beyond what most standalone purifiers offer. For allergy sufferers wanting year-round air management and heating, it's the most complete single product available. Headline specifications include functions of Heater + fan + purifier, filter of HEPA H13 + activated carbon and sensors of PM2.5, PM10, VOC, NOx, humidity, temperature. Three functions in one: heater, fan and HEPA H13 air purifier With 4.5★ from 6,400 Amazon reviews, it maintains a solid approval record.
Build Quality & Design
Dyson built the Dyson Purifier Hot+Cool HP09 to justify the editor's pick position — and the construction reflects that ambition. Fully sealed system — air only exits through the filter, not around it. Projects purified air across the whole room (not just near the unit). The warranty terms reflect the brand's confidence in long-term reliability.
Value for Money
The premium price point is justified by what's delivered. The key trade-off: £600+ for a fan/heater/purifier combination. Best suited to: Allergy sufferers or anyone in a polluted urban area wanting year-round air quality management and heating in one unit. Those with different priorities should check the alternatives section below.
Final Verdict
The HP09 justifies its price by combining three separate appliances. The sealed HEPA H13 system and VOC sensors go beyond what most standalone purifiers offer. For allergy sufferers wanting year-round air management and heating, it's the most complete single product available.
FAQ
Is the Dyson Purifier Hot+Cool HP09 worth the money?
The HP09 justifies its price by combining three separate appliances. The sealed HEPA H13 system and VOC sensors go beyond what most standalone purifiers offer. For allergy sufferers wanting year-round air management and heating, it's the most complete single product available. Allergy sufferers or anyone in a polluted urban area wanting year-round air quality management and heating in one unit.
Who should NOT buy the Dyson Purifier Hot+Cool HP09?
Those who just want air purification — the Levoit Core 400S at a quarter of the price handles purification alone significantly cheaper.
Is the Dyson Purifier Hot+Cool HP09 available in the UK and US?
Yes — we list both Amazon UK and US links. Always verify voltage compatibility (UK 230V, US 120V).
