Dyson Dp01 Vs Dp04 Is The Newer Model Really Worth The Upgrade

The Dyson Purifier Cool series has long been a favorite among homeowners seeking clean, allergen-free air with efficient cooling. The DP01 and DP04 are two notable models in this lineup—both sleek, smart, and powerful. But with the DP04 being the newer release, many wonder: is it truly a meaningful upgrade over the DP01, or just a minor refresh? To answer that, we need to look beyond marketing claims and examine real differences in filtration, design, smart features, noise levels, and overall value.

Filtration Performance: What’s Inside Matters Most

Air purifiers live or die by their ability to capture pollutants. Both the DP01 and DP04 use Dyson’s dual HEPA and activated carbon filter system, capable of trapping 99.97% of particles as small as 0.3 microns—including dust, pollen, mold spores, and pet dander. They also neutralize gases like VOCs (volatile organic compounds) from household cleaners and cooking fumes.

On paper, both models offer identical filtration efficiency. However, the DP04 introduces a subtle but significant improvement: enhanced sensor calibration. It uses more responsive gas and particulate sensors that update air quality readings every 5 seconds—compared to every 10–15 seconds on the DP01. This faster feedback loop allows the DP04 to adjust fan speed more precisely, maintaining cleaner air with less energy waste.

Tip: For households with asthma or chemical sensitivities, the DP04’s quicker response time may provide better real-time protection.

Design and Build: Subtle Refinements, Same Signature Look

Dyson’s minimalist aesthetic remains consistent across both models. The DP01 and DP04 share the same ring-shaped design, oscillation range (up to 350°), and compact footprint. They’re engineered for quiet operation and seamless integration into modern living spaces.

The key physical difference lies in the remote control. The DP01 comes with a basic magnetic remote that stores neatly on top. The DP04 upgrades to a slimmer, curved remote with improved ergonomics and a digital display showing real-time air quality metrics—PM2.5, humidity, and volatile gases—without needing the app.

Additionally, the DP04 features slightly refined airflow dynamics. While both models circulate air effectively, Dyson claims the DP04 delivers a 15% improvement in air projection due to internal fan blade adjustments. In practical terms, this means slightly faster room turnover, especially in larger spaces.

Smart Features and App Integration

Both units connect to the Dyson Link app (iOS and Android), allowing users to monitor indoor air quality, schedule operation, and control settings remotely. You can view historical data, receive filter replacement alerts, and integrate with Alexa and Google Assistant.

Where the DP04 pulls ahead is in automation intelligence. It supports “Auto Night Mode,” which dims the display completely and operates at ultra-low noise while still adjusting purification levels based on air quality. The DP01 lacks this dedicated mode, meaning its display stays lit unless manually turned off—a potential annoyance in bedrooms.

The DP04 also receives firmware updates more frequently, suggesting ongoing support for future smart home integrations. If you're building a connected home ecosystem, the DP04 is clearly the more future-proof option.

“Even small improvements in sensor frequency and automation can make a measurable difference in air quality consistency.” — Dr. Lena Patel, Indoor Air Quality Researcher at MIT

Performance Comparison Table

Feature	Dyson DP01	Dyson DP04
Filtration System	HEPA + Activated Carbon	HEPA + Activated Carbon
Sensor Update Frequency	Every 10–15 seconds	Every 5 seconds
Remote Control	Magnetic, basic display	Curved, full air quality readout
Night Mode	Manual dimming	Auto Night Mode (display off, quiet)
Oscillation	350°	350°
App Compatibility	Yes (Dyson Link)	Yes (Dyson Link, enhanced alerts)
Noise Level (Low)	31 dB	30 dB
Cooling Fan?	Yes	Yes
Price (MSRP)	$599	$649

Real-World Use Case: A Family with Allergies

Consider the Martinez family, who moved into an older home with known dust mite and mold issues. They initially purchased a DP01 for their bedroom. While it helped reduce nighttime congestion, they noticed spikes in symptoms after cooking or during high-pollen days. After upgrading to the DP04, they found the real-time gas detection caught lingering odors from cleaning products they hadn’t realized were affecting their youngest child’s asthma.

The Auto Night Mode was another game-changer. With the DP01, the glowing display disrupted sleep. The DP04 eliminated that issue while continuing to purify quietly. Over six months, their reliance on allergy medication dropped significantly. While not all benefits come from hardware alone, the combination of faster sensing and smarter automation made a tangible difference.

Is the Upgrade Worth It? A Step-by-Step Decision Guide

If you already own a DP01, deciding whether to upgrade requires weighing actual gains against cost. Follow this checklist to evaluate your needs:

1. Assess your current air quality challenges: Do you have pets, smokers, or respiratory conditions? Higher sensitivity may justify the upgrade.
2. Evaluate your usage patterns: If you run the purifier overnight, Auto Night Mode on the DP04 adds comfort.
3. Check your DP01’s condition: Filters last about 12 months. If yours is new or lightly used, upgrading now may be premature.
4. Compare prices: The $50 price difference isn’t huge, but if you find a discounted DP01, it remains a strong value.
5. Consider long-term use: If you plan to keep the unit for 5+ years, the DP04’s firmware support and efficiency may save energy and improve longevity.

Tip: Wait for holiday sales or refurbished deals—Dyson often discounts older models when new ones launch.

FAQ: Common Questions About the DP01 and DP04

Can both models function as fans and purifiers simultaneously?

Yes. Both the DP01 and DP04 operate as fully functional cooling fans while continuously purifying the air. You can disable purification and use fan-only mode, or vice versa.

Are the filters interchangeable between models?

Yes. The DP01 and DP04 use identical filter assemblies. If you upgrade, your old DP01 filter can be transferred, though doing so isn’t recommended due to wear.

Does the DP04 remove viruses and bacteria?

Dyson states that its HEPA filter captures 99.95% of airborne bacteria and viruses (tested under lab conditions). While not a medical device, it reduces exposure risk in shared spaces.

Final Verdict: Who Should Upgrade?

The Dyson DP04 is not a revolutionary leap over the DP01, but it is a thoughtful evolution. For new buyers, the DP04 is the clear choice—its superior remote, faster sensors, and Auto Night Mode deliver noticeable quality-of-life improvements for a modest price increase.

For existing DP01 owners, the upgrade makes sense only if you prioritize silent nighttime operation, real-time air monitoring, or live in a high-pollution environment. If your DP01 is performing well and meets your needs, there’s no urgent reason to replace it.

Ultimately, Dyson hasn’t reinvented the wheel—but they’ve fine-tuned it. The DP04 earns its place as the premium option in the Purifier Cool line, offering smarter, quieter, and more responsive performance where it counts.

🚀 Ready to breathe easier? Evaluate your indoor air needs today—whether you choose the DP01 or DP04, cleaner air is within reach. Share your experience or questions in the comments below.