Levoit Core 300S Review – Smart Air Purifier with Powerful Performance (US+UK)
Advertising: The product was provided to me for testing. However, my evaluation is uninfluenced and based solely on my own experiences and impressions.
The Levoit Core 300S impresses with its powerful cleaning performance (CADR 240 m³/h), intuitive app control and an advanced laser sensor for real-time air quality monitoring. Whether day or night mode, timer function or individual schedule - with its three-layer HEPA filter system, it reliably removes 99.97% of particles from 0.3 µm and thus ensures fresh air in rooms up to approx. 50 m². Thanks to its energy efficiency and quiet operation, it is ideal for bedrooms and offices.
My test video (06:46 min 🎥)
Watch the test video to get an overview and my personal conclusion!
Specs
Manufacturer: Levoit
Model: Core® 300S
Cleaning range: Quickly cleans rooms up to 50 m² in approx. 30 minutes
Design: Compact, modern, sleek white with touch control panel and LED air quality indicator
Technology: 3-stage HEPA filter system with pre-filter, H13 HEPA filter and activated carbon filter, real-time air quality monitoring via laser sensor
Suitable for: Allergy sufferers, households with pets, bedrooms, offices, medium-sized living spaces
Weight: 2,72 kg
Dimensions: 22 × 22 × 36 cm
Pros
Strong cleaning performance
Low power consumption and quiet night mode
Real-time display of air quality via app and on the device
Several filter variants (e.g. for pets, mold) available
Convenient app control
Timer function
Schedule function in the app
Remote control via app possible
Touch control panel is high quality and works very well
Rated “Very good” in the german ETM test magazine (issue 07/23)
Cons
Ongoing filter costs (approx. 20 $ / filter) - should be planned for
No wheels for easy relocation (but low weight)
Level 3 clearly audible (58 dB), but acceptable for short applications
In this review, we take a closer look at the Levoit Core 300S – a powerful yet compact air purifier with app control and a sensor-based air quality monitor. We will assess its design and build quality, test its functions and ease of use, and evaluate its performance in terms of noise levels, power consumption, and airflow measurements. Finally, we’ll determine whether the Core 300S is worth the investment.
Design & Build Quality ★★★★☆ (4.7/5)
The Levoit Core 300S impresses with its sleek, modern design in white, blending seamlessly into any home decor.
Category
Rating
Comment
Material Quality
4.7/5
High-quality plastics, solid construction
Dimensions & Weight
4.6/5
22 × 22 × 36 cm, only 2.72 kg
Aesthetic Appeal
4.7/5
Minimalist and modern look
Build Quality
4.7/5
Well-fitted components, secure filter housing
The compact design (22 cm in diameter and 36 cm in height) makes it discreet yet sturdy. It is lightweight enough to be moved between rooms effortlessly while still feeling robust and durable.
Functionality ★★★★★ (4.9/5)
The Core 300S features a 3-stage filtration system and an advanced laser sensor for real-time air quality monitoring. It includes various features tailored to different needs.
Real-time air quality detection, color-coded display
App Integration
4.9/5
VeSync app with scheduling, filter status, Alexa/Google support
Modes & Timer
4.8/5
Auto mode, night mode, 1–12 hour timer
One of its standout features is the Auto Mode, where the purifier automatically adjusts its cleaning level based on real-time air quality. Additionally, specialized filter options (e.g., pet allergy, toxin absorber) increase its versatility.
Ease of Use ★★★★☆ (4.8/5)
With both intuitive touch controls and app-based control, the Core 300S is incredibly user-friendly.
Category
Rating
Comment
Touch Controls
4.7/5
Clear and responsive LED touch panel
App Usability
4.8/5
Quick response, precise timer settings
Filter Replacement
4.7/5
Easy bottom-access, reminder in the app
Portability
4.8/5
Lightweight, easy to move
With the VeSync app, you can easily control the air purifier’s settings, timers, and Smart Home functions (Alexa/Google Assistant). The filter replacement reminder is also a handy feature, ensuring optimal performance.
Performance ★★★★★ (4.9/5)
With a Clean Air Delivery Rate (CADR) of 240 m³/h, the Core 300S can efficiently clean rooms up to 50 m² (538 ft²) in a short amount of time.
Category
Rating
Comment
Air Purification
4.9/5
Removes >99.97% of particles down to 0.3 µm
Noise Levels
4.8/5
31.5 dB in night mode, max 58 dB at highest setting
Power Consumption
4.7/5
Max. 22W on highest setting
Real-time Display
4.9/5
Color-coded air quality indicator (blue-green-orange-red)
Despite its powerful performance, power consumption remains low (only 22W on the highest setting), which keeps running costs minimal. Night mode operates at just 31.5 dB, making it ideal for bedroom use.
Here is a summary of my performance evaluation:
Fan Speed
Power Consumption (Watt)
Noise Level (dB)
Sleep Mode
2 W
31.5 dB
Level 1
4-6 W
38.5 dB
Level 2
9-10 W
48 dB
Level 3 (Max)
22 W
58 dB
Value for Money ★★★★☆ (4.6/5)
Priced in the mid-range segment, the Levoit Core 300S offers an excellent balance of performance, features, and quality. However, filter replacement costs should be considered.
Category
Rating
Comment
Price
4.5/5
Mid-range price category
Quality & Features
4.8/5
High efficiency, smart controls, sensor technology
Buying filter replacements in bulk can help reduce long-term costs. While the running expenses aren’t excessive, it’s worth factoring in replacement filters every 6 months.
Final Verdict
The Levoit Core 300S stands out with its sleek design, powerful performance, and extensive features like Auto Mode, Night Mode, and Smart App Control. Thanks to its compact size, it fits easily in various spaces. Filter costs are around $20 per unit (when bought in bundles) – making bulk purchases a smart way to save money.
Pros
✔ Powerful air purification for rooms up to 50 m² (538 ft²) ✔ Low power consumption and whisper-quiet night mode ✔ Real-time air quality display via app and device ✔ Multiple filter options (e.g., pet allergy, mold protection) ✔ Convenient app control with timers and voice assistant integration
Cons
✖ Filter costs (~$20 per unit) – should be factored in ✖ No built-in wheels for easier relocation (though it is lightweight) ✖ Level 3 (Max) is noticeably loud (58 dB) but acceptable for short-term use
Recommendation
The Levoit Core 300S is ideal for small to medium-sized rooms and offers great technical features combined with user-friendly operation. If you don’t mind the recurring filter replacement costs, you’ll get a high-performance, smart air purifier that significantly improves indoor air quality.
The Levoit Core 300S impressed us with its solid build quality, quiet operation, and excellent air filtration. With optional app control and real-time air quality monitoring, it stands out in its category. If you’re looking for an efficient and smart air purifier, the Levoit Core 300S is a top recommendation.
If you have any questions or need more information, feel free to reach out via the contact form.
Enjoy your new air purifier!
If you’d like to see my hands-on experience, watch my detailed test video here:
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