Name: Dyson Purifier Cool Formaldehyde TP09 Air Purifier and Fan - White/Gold Large
Brand: Dyson
SKU: B0BV59P8YY
Price: 499.89 USD
Availability: InStock
Rating: 4.2 (615 reviews)

Our Verdict

It's a Tie

Both models lack stated CADR and coverage specs. The TP09 wins for advanced formaldehyde destruction and app control. Choose HP10 for year-round comfort, as it offers heating and cooling, though it lacks smart app features.

Dyson

$500Buy on Amazon

Dyson

$364Buy on Amazon

Bottom Line: Both products are excellent choices. Both models lack stated CADR and coverage specs.

Key Differences

The most significant spec differences at a glance

Cadr Smoke

100% more

-1

Coverage Sq Ft

100% more

-1

Advantages

Where each product wins

Dyson

Cadr Smoke: 100% higher (0 vs -1)
Coverage Sq Ft: 100% higher (0 vs -1)

Who Should Buy Which?

Find the right product for your needs

Buy Dyson if...

Dyson Purifier Cool Formaldehyde

Ideal for health-conscious individuals or families living in modern homes or urban environments where indoor air quality is a top concern, especially regarding harmful chemicals. If you prioritize advanced air purification, specifically the detection and destruction of formaldehyde, and desire smart home integration with app control to monitor air quality remotely, the TP09 is your choice. It's suitable for those willing to invest more for superior air cleaning capabilities and modern connectivity features.

Buy Dyson if...

Dyson Purifier Hot+Cool Gen1

This device is perfect for those seeking a multifunctional solution to manage their indoor climate year-round without needing separate appliances. If you live in an area with varying seasonal temperatures and want a single unit to purify the air, provide warmth in winter, and a cooling breeze in summer, the HP10 offers excellent value. It's for budget-conscious buyers who prioritize versatility and broad climate control over specialized formaldehyde detection or app-based smart features.

Spec Comparison

6 specs compared

Specification	Dyson Purifier Cool Formaldehyde	Dyson Purifier Hot+Cool Gen1
Price	$500	$364
Rating	4.2(615)	4.4(919)
Cadr Smoke	0	-1
Coverage Sq Ft	0	-1
Filter Type	HEPA	HEPA
Smart Sensor	Yes	—
WiFi	Yes	—
Energy Star	—	No

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Pros & Cons

Quick overview of strengths and weaknesses

Dyson Purifier Cool

Pros

Detects and destroys formaldehyde.
Captures 99.97% of 0.3 micron particles.
Projects purified air throughout the room.
Fan mode offers direct cooling or purification only.

Cons

No stated Clean Air Delivery Rate.
Room coverage area is not specified.

Dyson Purifier Hot+Cool

Pros

HEPA standard sealed filtration captures pollutants.
Heats rooms in winter, cools in summer.
350-degree oscillation for wide air circulation.
Includes auto-off timer: 1, 2, 4, 8 hours.

Cons

No smartphone app for remote control.
Not Energy Star certified.
CADR and coverage area not specified.

Frequently Asked Questions

Common questions about this comparison

Which is better for year-round comfort?

The Dyson Purifier Hot+Cool Gen1 HP10 is better for year-round comfort as it provides heating for winter and cooling for summer. The TP09 offers purification and fan cooling only.

What's the main difference in smart features?

The Dyson TP09 features Wi-Fi connectivity, allowing remote monitoring and control via a smartphone app. The HP10 does not have smartphone app compatibility, relying on its included remote and onboard controls.

Is one better for purifying specific pollutants?

Yes, the Dyson TP09 specifically detects and continuously destroys formaldehyde. Both models utilize HEPA filtration to capture 99.97% of 0.3 micron particles like allergens and pollutants.

Which has better coverage or air delivery?

Neither product specifies a Clean Air Delivery Rate (CADR) or a recommended room coverage area in square feet. Therefore, a direct comparison based on these priority specs is not possible.

Which has better filtration?

Both models use HEPA filters to capture 99.97% of particles as small as 0.3 microns. The TP09 has an additional benefit of detecting and destroying formaldehyde, offering a more specialized purification capability.