Honeywell Allergen Plus Compact HEPA Small Room vs TDBYWAE Air Purifier for Home – True HEPA Filter
Updated August 2026 — Honeywell Allergen Plus Compact HEPA Small Room wins on energy use and filtration, TDBYWAE Air Purifier for Home – True HEPA Filter wins on noise level and coverage.
The Honeywell Allergen Plus offers advanced features and brand reliability, while the TDBYWAE provides excellent value and larger coverage at a lower price.
Why Honeywell Allergen Plus Compact HEPA Small Room is better
Filtration
Captures 99.97% of allergens
Energy Efficiency
ENERGY STAR certified
Features
Includes AQSense Auto Mode
Why TDBYWAE Air Purifier for Home – True HEPA Filter is better
Price
Costs $49.98, 50% cheaper
Coverage
Covers up to 600 sq ft
Portability
Compact design for travel
Overall score
Specifications
| Spec | Honeywell Allergen Plus Compact HEPA Small Room | TDBYWAE Air Purifier for Home – True HEPA Filter |
|---|---|---|
| Price | $99.99 | $49.98 |
| Filter Type | 3-in-1 HEPA | True HEPA |
| Auto Mode | Yes | No |
| Timer | Yes | Yes |
| Air Changes | 4.8x/hr | 4x/hr |
Dimension comparison
Overview
When comparing the Honeywell Allergen Plus and the TDBYWAE Air Purifier, the key difference lies in their pricing and coverage area. The Honeywell model is priced at $99.99, while the TDBYWAE is significantly more affordable at $49.98, making it about 50% cheaper. However, the TDBYWAE offers a larger coverage area of up to 600 sq ft compared to the Honeywell's 530 sq ft, which could be a deciding factor for larger spaces.
Filtration Efficiency
Both air purifiers utilize advanced filtration systems to improve indoor air quality significantly. The Honeywell Allergen Plus features a 3-in-1 HEPA filtration system that captures up to 99.97% of allergens, including dust, pollen, pet dander, and smoke. In contrast, the TDBYWAE Air Purifier also employs a true HEPA filter along with a pre-filter and activated carbon filter, effectively purifying common pollutants such as odors, PM 2.5, and pet dander. While both devices promise efficient air purification, the Honeywell’s more established brand reputation in the HEPA air purifier market may offer added assurance of its performance.
Design and Portability
In terms of design, the TDBYWAE Air Purifier is more portable and compact, measuring 8.4 x 8.4 x 5 inches, which makes it easy to place on a nightstand or carry while traveling. The Honeywell model, while also compact, is primarily designed for stationary use in small rooms or offices. Its sleek design fits well within various home aesthetics. If portability is a significant factor for you, the TDBYWAE’s lightweight and smaller footprint make it a more suitable choice.
Noise Levels
Noise levels are a vital consideration for air purifiers, especially for those using them in bedrooms. The Honeywell Allergen Plus operates at a whisper-quiet 20.81 dBA in sleep mode, making it a great option for night-time use. The TDBYWAE Air Purifier also emphasizes quiet operation, featuring a sleep mode at just 16 dBA, which is even quieter than the Honeywell. Thus, for those who prioritize silence during sleep or work, the TDBYWAE may have a slight edge due to its lower noise output.
Energy Efficiency
Energy consumption is another essential factor when choosing an air purifier. The Honeywell Allergen Plus is ENERGY STAR certified, indicating it meets strict energy efficiency guidelines, which can lead to lower electricity bills. The TDBYWAE does not specify its energy efficiency rating but promotes its smart features, including a timer for energy-saving operation. While the Honeywell is recognized for its energy efficiency, the TDBYWAE’s lower price point may offset its unknown energy consumption, especially in smaller rooms.
Features and Usability
When it comes to features, both air purifiers provide user-friendly experiences. The Honeywell model includes an AQSense Auto Mode with an air quality sensor that adjusts the fan speed based on real-time air quality, which is a significant convenience. It also offers a filter change indicator and three cleaning levels. The TDBYWAE, while lacking a built-in air quality sensor, features a smart touch screen for easy operation, with multiple speed settings and a timer. In terms of usability, the Honeywell may provide more advanced functionality, while the TDBYWAE focuses on simplicity and efficiency.
Performance in Real-world Settings
In practical terms, the Honeywell Allergen Plus is designed to circulate and filter room air up to 4.8 times per hour in 110 sq ft rooms, reaching 1x per hour in a 530 sq ft room. The TDBYWAE claims to clear the air four times per hour in a 230 sq ft space, with a maximum coverage of 600 sq ft achievable within 40 minutes. This suggests that while both are effective in their coverage areas, the Honeywell is better suited for small to medium-sized rooms, while the TDBYWAE is more versatile for larger spaces.
Which should you buy?
Ultimately, the choice between the Honeywell Allergen Plus and the TDBYWAE Air Purifier depends on your specific needs. If you prioritize advanced features, brand reliability, and energy efficiency, the Honeywell Allergen Plus at $99.99 may be the better option, especially for smaller areas. However, if budget constraints and larger coverage areas are more critical, the TDBYWAE Air Purifier, priced at $49.98, offers excellent value with solid filtration capabilities and portability. Consider your space and preferences carefully to make the best choice for your environment.

