GermGuardian HEPA Air Purifier for Home, Large vs Honeywell Allergen Plus Compact HEPA Small Room
Updated August 2026 — GermGuardian HEPA Air Purifier for Home, Large wins on coverage area and air quality, Honeywell Allergen Plus Compact HEPA Small Room wins on energy efficienc and design.
The GermGuardian offers better coverage and additional features, making it the superior choice for larger spaces. However, the Honeywell excels in compact design and quiet operation.
Why GermGuardian HEPA Air Purifier for Home, Large is better
Coverage
Covers up to 743 sq. ft.
UV-C Light
Includes UV-C light for additional purification
Sales Rank
Higher sales rank at 3471
Why Honeywell Allergen Plus Compact HEPA Small Room is better
Size
Compact design for small spaces
Noise Level
Quieter operation at 20.81 dBA
Energy Efficiency
ENERGY STAR certified for low energy consumption
Overall score
Specifications
| Spec | GermGuardian HEPA Air Purifier for Home, Large | Honeywell Allergen Plus Compact HEPA Small Room |
|---|---|---|
| Filtration | HEPA + UV-C | HEPA + Carbon |
| Price | $99.99 | $99.99 |
| Sales Rank | 3471 | 22559 |
| Warranty | 3 years | 5 years |
| Auto Mode | No | Yes |
Dimension comparison
Introduction to Air Purifiers
Air purifiers are essential devices for maintaining clean and healthy indoor air quality. In this comparison, we will focus on two popular models: the GermGuardian HEPA Air Purifier and the Honeywell Allergen Plus Compact HEPA Air Purifier. Each offers unique features tailored for different room sizes and specific needs, making them suitable for various users.
Coverage Area Comparison
The GermGuardian HEPA Air Purifier is designed for larger spaces, effectively covering up to 743 square feet, making it ideal for living rooms and open areas. In contrast, the Honeywell Allergen Plus is optimized for smaller rooms, with a maximum coverage of 530 square feet. This difference in coverage means that if you need an air purifier for a larger area, the GermGuardian may be the better choice, while the Honeywell could be more suitable for bedrooms or compact spaces.
Filtration Efficiency
Both air purifiers feature HEPA filters that capture up to 99.97% of airborne allergens such as dust, pollen, and pet dander. However, the GermGuardian also includes a UV-C light that helps reduce airborne germs and mold spores, offering an additional layer of purification. This feature could be particularly beneficial for allergy sufferers or those concerned about bacteria and mold in larger rooms, whereas the Honeywell focuses on a 3-in-1 filtration system that includes an activated carbon filter for odor reduction.
Noise Levels and Operation
When it comes to noise levels, the GermGuardian operates quietly with three speed options, allowing for a gentle white noise effect, which can enhance sleep quality. The Honeywell boasts a Sleep Mode that operates as low as 20.81 dBA, making it exceptionally quiet for use in bedrooms or nurseries. Therefore, if minimal noise is a priority, both models offer solutions, but the Honeywell may have a slight edge in ultra-quiet operation for nighttime use.
Design and Size
The GermGuardian is a 22-inch tower model that fits well in larger spaces, while the Honeywell is designed to be compact and stylish, easily fitting into small nooks or tabletops. The compact design of the Honeywell makes it particularly appealing for users in apartments or dorm rooms where space is limited. In terms of aesthetics, users might prefer the sleek look of the Honeywell, while those needing more substantial coverage may opt for the GermGuardian's taller design.
Energy Efficiency
Both units are energy-efficient, but the Honeywell is ENERGY STAR certified, ensuring low energy consumption during operation. This certification may lead to cost savings on energy bills over time, especially if the unit is used frequently. In comparison, the GermGuardian does not specify an energy efficiency rating, which could be a consideration for environmentally conscious consumers.
Price Point
Both the GermGuardian and Honeywell are priced at $99.99, making them comparable in terms of initial investment. However, looking at the price average over the past 90 days, the GermGuardian’s average price was $93.10, while the Honeywell averaged $98.60. This means that the GermGuardian has been about 5.2% cheaper on average over the last three months, which could be a deciding factor for budget-conscious buyers.
Bestselling Status
The GermGuardian ranks at 3471 in sales, indicating a solid presence in the market, while the Honeywell has a lower ranking at 22559. This suggests that the GermGuardian may be more popular among consumers, possibly due to its larger coverage area and additional features like the UV-C light. A higher sales ranking can often reflect customer satisfaction and trust in a product.
Which should you buy?
Choosing between the GermGuardian HEPA Air Purifier and the Honeywell Allergen Plus ultimately depends on your specific needs. If you require coverage for larger spaces and value additional features like UV-C light, the GermGuardian is an excellent option. However, if you need a compact, ultra-quiet purifier for smaller areas, particularly in bedrooms, the Honeywell may be the better fit. Both are priced similarly, but the GermGuardian offers a slight edge in cost-effectiveness based on recent pricing trends.

