Our Verdict
Dyson Purifier Hot+Cool HP07 Wins

It boasts 250 CADR smoke and 400 sq ft coverage, metrics unknown for TP09. Choose TP09 for its unique formaldehyde detection and destruction.
Bottom Line: Dyson Purifier Hot+Cool HP07 is the better choice. It boasts 250 CADR smoke and 400 sq ft coverage, metrics unknown for TP09.
Key Differences
The most significant spec differences at a glance
Cadr Smoke
100% lessCoverage Sq Ft
100% lessAdvantages
Where each product wins
Dyson
- Cadr Smoke: 100% higher (0 vs 250)
- Coverage Sq Ft: 100% higher (0 vs 400)
Who Should Buy Which?
Find the right product for your needs
Buy Dyson if...
Dyson Purifier Cool Formaldehyde
The Dyson Purifier Cool Formaldehyde TP09 is ideal for individuals highly concerned with specific indoor air pollutants like formaldehyde, perhaps in newer homes or after renovations where VOCs are prevalent. If you prioritize advanced chemical detection and destruction over broad room coverage or multi-season climate control, and primarily need purification with a cooling fan, this model is a strong choice. It suits buyers who value precise air quality control and are within a slightly lower budget, focusing solely on purification effectiveness.
Buy Dyson if...
Dyson Purifier Hot+Cool HP07
The Dyson Purifier Hot+Cool HP07 is perfect for someone seeking a comprehensive, all-in-one climate control and air purification solution for a medium to large space, up to 400 sq ft. This buyer needs heating in winter, cooling in summer, and robust air purification (250 CADR smoke) year-round. They appreciate detailed real-time air quality data, smart home integration, and are willing to invest a bit more for the versatility and specified performance, making it a central appliance for their living environment.
Spec Comparison
5 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $500 | $590 |
| Rating | 4.2(615) | 4.4(919) |
| Cadr Smoke | 0 | 250 |
| Coverage Sq Ft | 0 | 400 |
| Filter Type | HEPA | HEPA H13 |
| Smart Sensor | Yes | Yes |
| WiFi | Yes | Yes |
Swipe horizontally to see all columns
Pros & Cons
Quick overview of strengths and weaknesses
Dyson Purifier Cool
- 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.
- No stated Clean Air Delivery Rate.
- Room coverage area is not specified.
Dyson Purifier Hot+Cool
- Purifies, heats, and cools from one device
- HEPA H13 sealed system captures pollutants
- Covers 400 sq ft, 250 CADR smoke
- Real-time air quality data via app and LCD
- Requires brand-specific filter replacements
- Large unit size may limit placement options
- Heating and cooling functions are not concurrent
Frequently Asked Questions
Common questions about this comparison
Which is better for overall room purification and coverage?
The Dyson HP07 is better for overall room purification, providing a specified CADR smoke of 250 and covering 400 sq ft. The TP09 does not specify these key performance metrics, making its exact coverage unclear.
What's the main difference in heating and cooling capabilities?
The Dyson HP07 purifies, heats, and cools from one device, offering year-round climate control. The Dyson TP09 functions as a purifier and fan only, providing cooling but lacking the heating function.
Does either unit specifically target formaldehyde?
Yes, the Dyson TP09 is specifically designed to detect and destroy formaldehyde, a distinct advantage for those concerned about this particular pollutant. The HP07 does not explicitly state this capability.
Which has better specified air filtration performance?
The Dyson HP07 specifies a HEPA H13 sealed system, 250 CADR smoke, and 400 sq ft coverage. The TP09 captures 99.97% of 0.3 micron particles with a HEPA filter but lacks explicit CADR or coverage area numbers.
Explore Other Categories
Popular comparisons across the site
Ask AI
Get instant answers about specs
Get the Deets
Ask our AI assistant
Ask Deets anything!
























