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Honeywell Allergen Plus Compact HEPA Small Room vs LEVOIT Air Purifiers for Home Large Room Up to

Updated August 2026 — Honeywell Allergen Plus Compact HEPA Small Room wins on noise level and energy efficienc, LEVOIT Air Purifiers for Home Large Room Up to wins on smart features and coverage area.

The Honeywell Allergen Plus is a budget-friendly option for small rooms, while the LEVOIT air purifier excels in larger spaces with advanced features.

Why Honeywell Allergen Plus Compact HEPA Small Room is better

Price

Honeywell is more affordable at $99.99.

Noise Level

Honeywell operates quieter at 20.81 dBA.

Energy Efficiency

Honeywell is ENERGY STAR certified.

Why LEVOIT Air Purifiers for Home Large Room Up to is better

Room Coverage

LEVOIT covers up to 1,733 sq ft.

Smart Features

LEVOIT includes WiFi and app control.

CADR Rating

LEVOIT has a higher CADR for smoke.

Overall score

Honeywell Allergen Plus Compact HEPA Small Room
75
LEVOIT Air Purifiers for Home Large Room Up to
85

Specifications

SpecHoneywell Allergen Plus Compact HEPA Small RoomLEVOIT Air Purifiers for Home Large Room Up to
Filtration3-in-1 HEPA3-in-1 HEPA
Sleep ModeYesYes
Auto ModeYesYes
Smart ControlNoYes
Filter ChangeIndicatorNotifications

Dimension comparison

Honeywell Allergen Plus Compact HEPA Small RoomLEVOIT Air Purifiers for Home Large Room Up to

Overview of the Honeywell Allergen Plus and LEVOIT Air Purifiers

The Honeywell Allergen Plus Compact HEPA air purifier is priced at $99.99, making it a budget-friendly option for small rooms. In contrast, the LEVOIT air purifier is significantly more expensive at $189.99, targeting larger spaces up to 1,733 square feet. While both purifiers offer HEPA filtration and features suited for allergy relief, they cater to different room sizes and budgets, making them suitable for varying customer needs.

Filtration Technology: How Do They Compare?

The Honeywell Allergen Plus utilizes a powerful 3-in-1 filtration system that captures up to 99.97% of allergens, including dust, pollen, and pet dander. Its activated carbon filter also addresses odors and VOCs. On the other hand, the LEVOIT air purifier employs a similar 3-in-1 system but boasts an impressive Clean Air Delivery Rate (CADR) for smoke at 231 CFM, which ensures thorough air cleaning in larger spaces. Both models are effective, but the LEVOIT's high CADR rating makes it more suitable for larger areas where air quality needs to be monitored closely.

Room Coverage: Small vs. Large Spaces

The Honeywell Allergen Plus is designed for small rooms, effectively purifying spaces up to 530 square feet. In contrast, the LEVOIT air purifier excels in larger areas, covering up to 1,733 square feet. This difference in coverage is crucial for consumers to consider; if you need an air purifier for a small bedroom or office, the Honeywell model is adequate. However, for open floor plans or large living rooms, the LEVOIT is more capable of maintaining air quality and purification.

Noise Levels and Sleep Mode Features

One of the standout features of the Honeywell Allergen Plus is its whisper-quiet Sleep Mode, operating as low as 20.81 dBA. This makes it ideal for bedrooms or nurseries, ensuring a peaceful sleeping environment. Conversely, the LEVOIT air purifier operates at a slightly higher noise level of 24 dBA in sleep mode, which is still quiet but may be less preferable for sensitive sleepers. Overall, if ultra-quiet operation is a priority, the Honeywell model has a slight edge.

Energy Efficiency and Operating Costs

The Honeywell Allergen Plus is ENERGY STAR certified, promoting low energy consumption, which can help save on electricity bills. While the LEVOIT air purifier does not explicitly state its energy efficiency rating, it offers smart features like auto mode and programmable timers that can contribute to energy savings over time. Consumers may find that the Honeywell model incurs lower operating costs due to its energy-efficient design, especially if used continuously in smaller spaces.

Smart Features and Connectivity

The LEVOIT air purifier includes smart features such as WiFi connectivity and compatibility with voice control services like Alexa and Google Assistant. This allows users to monitor air quality and adjust settings remotely through a smartphone app. In contrast, the Honeywell Allergen Plus lacks smart technology, making it a more straightforward, user-friendly option without the complexity of smart features. For tech-savvy users who value connectivity, the LEVOIT is the clear winner in this category.

Maintenance and Filter Replacement

Both air purifiers require filter replacements to maintain optimal performance, but the LEVOIT model includes built-in notifications for filter changes, simplifying maintenance. The Honeywell model also features a filter change indicator but does not provide the same level of automated reminders. While both brands offer easy-to-replace filters, the LEVOIT’s smart features enhance the user experience by ensuring timely maintenance, which can be particularly beneficial for busy households.

Which should you buy?

Choosing between the Honeywell Allergen Plus and the LEVOIT air purifier ultimately hinges on your specific needs. If you're looking for an affordable, effective solution for smaller spaces, the Honeywell model is a solid choice at $99.99. However, if you need a powerful device capable of purifying large rooms with advanced smart features, the LEVOIT air purifier is worth the investment at $189.99. Each model excels in different areas, making them suitable for various consumer preferences and home environments.