Our Verdict
Soleus Air Air Purifier Wins

It provides clear air purification metrics with 73.8 CADR and 22dB quiet operation. Choose Dyson for its heating and cooling multi-functionality.
Bottom Line: Soleus Air Air Purifier is the better choice. It provides clear air purification metrics with 73.
Key Differences
The most significant spec differences at a glance
Cadr Smoke
100% moreCoverage Sq Ft
100% moreAdvantages
Where each product wins
Soleus Air
- Cadr Smoke: 100% higher (73.8 vs 0)
- Coverage Sq Ft: 100% higher (4000.0 vs 0)
Who Should Buy Which?
Find the right product for your needs
Buy Soleus Air if...
Air Purifier Large Room,True
If you need robust, dedicated air purification for genuinely large spaces, the Soleus Air is your ideal choice. It's perfect for homeowners prioritizing extensive coverage (up to 4000 sq ft) and exceptionally quiet operation, thanks to its 22dB sleep mode. Those who value transparent performance metrics like a 73.8 CADR and energy efficiency (Energy Star certified) will appreciate its effectiveness without added complexity or a higher price tag. It's also great for pet families wanting clean air quietly.
Buy Dyson if...
Dyson Purifier Hot+Cool HP1
The Dyson Purifier Hot+Cool HP1 is perfect for those seeking a premium, multi-functional device that combines air purification with heating and cooling. If you live in a smaller apartment or a room where space is at a premium and you want to consolidate appliances, this 3-in-1 unit is ideal. Buyers prioritizing advanced odor removal (97% of household odors) and smart home integration via app/voice control, alongside 350-degree oscillation for even air distribution, will find its higher price point justified for its versatility and design.
Spec Comparison
8 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $500 | $545 |
| Rating | 4.8(7) | 4.4(157) |
| Cadr Smoke | 73.8 | 0 |
| Coverage Sq Ft | 4000 | 0 |
| Noise Level db Min | 22 dB | — |
| Energy Star | Yes | — |
| Filter Type | True HEPA | HEPA H13 |
| Smart Sensor | Yes | Yes |
| WiFi | Yes | Yes |
| Model Number | — | HP11 |
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Pros & Cons
Quick overview of strengths and weaknesses
Soleus Air Air Purifier
- Covers 4000 sq ft area in 1 hour.
- Filters with True H13 HEPA media.
- Operates at 22dB in sleep mode.
- Real-time PM2.5, temp, humidity sensors.
- 73.8 CFM CADR is low for 4000 sq ft claim.
- Odor filtration from carbon filter not specified.
Dyson Purifier Hot+Cool
- Captures 99.97% particles >0.3 microns.
- Removes gases and 97% of household odors.
- Functions as both a heater and a cooler.
- Remote control via app or voice commands.
- Lacks a clear CADR rating specification.
- Requires periodic filter replacement.
- Full functionality depends on app or voice control.
Frequently Asked Questions
Common questions about this comparison
Which is better for large rooms?
Soleus Air specifies coverage up to 4000 sq ft and has a CADR of 73.8. Dyson lacks specified coverage, making Soleus a clearer choice for large area air purification, despite its low CADR for the claimed area.
What's the main difference in noise level?
Soleus Air operates as quietly as 22dB in sleep mode, making it suitable for bedrooms. Dyson does not specify its minimum noise level, so Soleus is a better choice if quiet operation is a priority.
Is the price difference worth it?
The Dyson is $45 more and offers heating and cooling functions. If you need a multi-functional device, the Dyson's extra cost could be justified. If pure air purification is the sole goal, Soleus is more cost-effective.
Which unit offers more functionality?
The Dyson Purifier Hot+Cool HP1 provides heating, cooling, and air purification. The Soleus Air focuses solely on air purification. For a versatile device that manages both air quality and temperature, Dyson is superior.
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