Dyson Purifier Cool Formaldehyde TP09 vs Dyson Purifier Hot+Cool HP09 (2026)

✍️ By the 247Verdict Editorial Team📅 Updated 05 October 2026

Which is better? We compared both on score, owner ratings, pros and cons.

Dyson Purifier Cool Formaldehyde TP09

9.2/10 Excellent

4.5★ (4,800 owners)

HEPA H13, formaldehyde destruction, 360° oscillation, cooling fan, app. The premium air purifier-fan.

Full Review

Dyson Purifier Hot+Cool HP09

9.0/10 Excellent

4.5★ (6,400 owners)

Heats, cools and purifies. HEPA H13 + activated carbon. Air quality sensors with real-time display.

Full Review

At a Glance

	Dyson Purifier Cool Formaldehyde TP09	Dyson Purifier Hot+Cool HP09
247Verdict Score	9.2/10	9.0/10
Owner Rating	4.5★ (4,800)	4.5★ (6,400)
Verdict	Excellent	Excellent
Filter	HEPA H13 + formaldehyde	HEPA H13 + activated carbon
Coverage	10m projection	Up to 70m²
Warranty	2 years	2 years

Quick Verdict

Both are strong choices, but the Dyson Purifier Cool Formaldehyde TP09 edges ahead with a 9.2/10 vs 9.0/10. HEPA H13, formaldehyde destruction, 360° oscillation, cooling fan, app. The premium air purifier-fan. That said, the Dyson Purifier Hot+Cool HP09 is worth considering if Heats, cools and purifies. HEPA H13 + activated carbon. Air quality sensors with real-time display. Check the current price on PuroAir →

Pros & Cons Side by Side

Dyson Purifier Cool Formaldehyde TP09

Solid-state formaldehyde sensor detects and destroys formaldehyde continuously — unique feature
HEPA H13 captures 99.97% of particles down to 0.1 microns
Projects purified air up to 10 metres via Air Multiplier technology
Works as a cooling fan simultaneously — dual function replaces separate devices
Dyson app shows real-time air quality data and auto-mode manages purification

£500+ for an air purifier requires justification — Levoit Core 400S delivers excellent HEPA purification at 20% of the price
Fan noise at higher speeds is noticeable for sleeping use
Large footprint for a single-room device

Dyson Purifier Hot+Cool HP09

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

£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

FAQ

Which is better, Dyson Purifier Cool TP09 or Dyson Purifier Hot+Cool HP09?

Is the Dyson Purifier Cool TP09 worth the extra cost?

Yes — Dyson Purifier Cool Formaldehyde TP09 scores higher at 9.2/10 vs 9.0/10.

Who is the Dyson Purifier Cool TP09 best suited to?

HEPA H13, formaldehyde destruction, 360° oscillation, cooling fan, app. The premium air purifier-fan.

Who is the Dyson Purifier Hot+Cool HP09 best suited to?

Heats, cools and purifies. HEPA H13 + activated carbon. Air quality sensors with real-time display.

What are the main downsides of each?

Dyson Purifier Cool Formaldehyde TP09: £500+ for an air purifier requires justification — Levoit Core 400S delivers excellent HEPA purification at 20% of the price; Fan noise at higher speeds is noticeable for sleeping use. Dyson Purifier Hot+Cool HP09: £600+ for a fan/heater/purifier combination; Heater function raises electricity costs if used frequently.

Do owner ratings agree with our verdict?

Largely, yes — Dyson Purifier Cool Formaldehyde TP09 sits at 4.5★ from 4,800 verified Amazon owners, and Dyson Purifier Hot+Cool HP09 at 4.5★ from 6,400.

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