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. On paper the headline numbers are functions of Heater + fan + purifier, filter of HEPA H13 + activated carbon, sensors of PM2.5, PM10, VOC, NOx, humidity, temperature, coverage of Up to 70m², warranty of 2 years. Its standout is that three functions in one: heater, fan and hepa h13 air purifier
Build Quality & Design
Beyond that, owners and the spec sheet point to a few more genuine strengths. Real-time particulate and VOC sensors display air quality continuously. Fully sealed system — air only exits through the filter, not around it. We can't bench-test durability, but the depth of positive long-term owner feedback is the best available proxy for how it holds up.
Value for Money
It isn't flawless. £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. Whether those matter depends entirely on how you'll use it. At the premium price point, the trade-offs are easy to live with for the right buyer. It's the right call for 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... Look elsewhere if you're among Those who just want air purification — the Levoit Core 400S at a quarter of the price handles purification alone significantly cheaper.
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.
Check Price on Amazon ↗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. 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 an
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).
Alternatives to Consider
Dyson Purifier Cool Formaldehyde TP09
9.2/10HEPA H13, formaldehyde destruction, 360° oscillation, cooling fan, app. The premium air purifier-fan.
Check Price ↗Levoit Core 400S Smart Air Purifier
9.2/10True HEPA H13 for rooms up to 40m². The best-value genuine air purifier available.
Check Price ↗Levoit Core 600S Smart Air Purifier
9.2/10H13 HEPA, 1076 sq ft, smart app, air quality sensor, quiet sleep mode. Large-room air purifier.
Check Price ↗Or see full comparisons: vs Dyson V15 Detect Absolute Cordless Vacuum, vs Dyson Outsize Absolute Cordless Vacuum, vs Dyson Purifier Cool Formaldehyde TP09