Our Verdict
Dyson Purifier Cool Formaldehyde TP09 Wins

It offers superior coverage at 101 sq ft vs HP07's 73 sq ft. Choose the HP07 if a heating function is essential for your space, despite its smaller coverage.
Spec Comparison
4 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $458 | $618 |
| Rating | 4.2(615) | 4.5(917) |
| Cadr Smoke | — | — |
| Coverage Sq Ft | 101 | 73 |
| Noise Level db Min | — | — |
| Filter Cost Yearly | — | — |
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Frequently Asked Questions
Common questions about this comparison
Which is better for a larger room?
The Dyson Purifier Cool Formaldehyde TP09 is better for larger rooms, covering up to 101 sq ft. The HP07 is suitable for smaller spaces, covering 73 sq ft.
What's the main difference in coverage area?
The TP09 covers a larger area of 101 sq ft compared to the HP07's 73 sq ft. This makes the TP09 more effective for bigger living spaces.
Which one provides heating?
The Dyson Purifier Hot+Cool HP07 provides both cooling and heating functions, making it a versatile year-round climate control solution. The TP09 only provides cooling.
Is the formaldehyde detection in the TP09 a significant advantage?
Yes, the TP09's formaldehyde detection and destruction feature is a notable advantage for those concerned about specific indoor air pollutants, offering a more comprehensive purification.
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