Think clean air has to cost a fortune? Think again.
In 2025, there are more affordable air purifiers than ever—but not all of them deliver the clean, allergen-free air they promise. Whether you’re looking to breathe easier on a budget, reduce pet dander, or simply improve your bedroom air quality, we’ve done the research for you.
Here are the top 5 air purifiers under $100 that combine performance, reliability, and value—backed by real user reviews and proven results.
What to Look for in a Budget Air Purifier
Before we dive in, here’s what matters most in a sub-$100 purifier:
- True HEPA filter: Traps 99.97% of allergens like dust, pollen, and mold spores.
- Decent CADR (Clean Air Delivery Rate): Ensures fast, efficient air cleaning.
- Quiet operation: Especially important for bedrooms or nurseries.
- Compact design: Space-saving units with strong filtration are ideal.
- Filter replacement cost: Don’t let cheap up-front pricing fool you—filter costs add up!
Now let’s get into the best options under $100.
1. Levoit Core 200S – Best Smart Air Purifier Under $100
Coverage: Up to 183 sq. ft
Filter Type: True HEPA, pre-filter, carbon
Noise Level: 24–48 dB
Wi-Fi Control: Yes (via VeSync App)
Price: ~$89
Why It’s #1:
You don’t often get Wi-Fi connectivity and voice control in this price range. The Levoit Core 200S is ideal for small rooms, dorms, and smart homes. With a 3-stage filtration system, sleep mode, and Alexa/Google compatibility, it punches well above its weight.
Pros:
- Smart control via app and voice
- Energy-efficient & quiet
- Great filtration for the price
Cons:
- Not for larger rooms
- App setup takes a few minutes
2. Pure Enrichment PureZone – Best for Bedrooms
Coverage: Up to 200 sq. ft
Filter Type: True HEPA + UV-C Light
Noise Level: Low
Price: ~$99
Why It’s a Favorite:
Perfect for bedrooms, nurseries, and personal offices, the PureZone quietly purifies your air while adding UV-C technology to kill airborne germs and bacteria. It’s compact, lightweight, and effective without being intrusive.
Pros:
- Sleek and ultra-quiet
- UV-C light for germ killing
- Easy to use and maintain
Cons:
- UV-C bulbs need replacing over time
- Filter not as thick as premium models
3. Afloia Kilo – Best Value with Aromatherapy Feature
Coverage: Up to 269 sq. ft
Filter Type: HEPA + pre-filter + carbon
Noise Level: 22 dB (sleep mode)
Price: ~$89
Why It’s Unique:
Afloia Kilo combines strong purification performance with a bonus aromatherapy feature—great for users who want their space to smell as clean as it feels. Its cylindrical design draws in air from 360°, improving efficiency.
Pros:
- Aromatherapy tray included
- Ultra-quiet operation
- Great room coverage for the price
Cons:
- No smart features
- Limited brand recognition (less known)
4. GermGuardian AC4825 – Best for Dust and Odor Control
Coverage: Up to 167 sq. ft
Filter Type: HEPA + charcoal filter + UV-C
Noise Level: Medium
Price: ~$85
Why It Stands Out:
This is a classic for a reason. The GermGuardian AC4825 has a solid track record of removing dust, cooking odors, and allergens efficiently. It uses UV-C light to help kill airborne bacteria and viruses, making it a top choice for families.
Pros:
- Reliable, long-term use
- Combines HEPA and UV-C protection
- Filter replacements are affordable
Cons:
- Slightly louder than others
- Older design style
5. PARTU HEPA Air Purifier – Best for Desktop or Small Spaces
Coverage: Up to 160 sq. ft
Filter Type: HEPA + Activated Carbon
Noise Level: Very quiet
Price: ~$60
Why It’s a Hidden Gem:
If you’re looking for a simple, budget-friendly option for your desk, small bedroom, or dorm room, PARTU delivers. It has a lock feature (child-safe), 3 fan speeds, and solid reviews for odor removal—especially smoke and pet-related smells.
Pros:
- Inexpensive
- Compact and easy to move
- Child-lock feature
Cons:
- Not suitable for medium or large rooms
- No extras (UV, smart control, etc.)
Quick Comparison Table
| Model | Coverage | HEPA | Special Features | Price |
|---|---|---|---|---|
| Levoit Core 200S | 183 sq. ft | Yes | Smart control, app support | ~$89 |
| Pure Enrichment PureZone | 200 sq. ft | Yes | UV-C light, quiet sleep | ~$99 |
| Afloia Kilo | 269 sq. ft | Yes | Aromatherapy tray | ~$89 |
| GermGuardian AC4825 | 167 sq. ft | Yes | UV-C light, charcoal filter | ~$85 |
| PARTU HEPA | 160 sq. ft | Yes | Child lock, low noise | ~$60 |
Final Thoughts: Which One Should You Buy?
If you’re trying to get cleaner, healthier air on a budget, any of these purifiers will serve you well—but the right one depends on your space and needs.
- Want smart control + quiet sleep? Levoit Core 200S.
- Prefer ultra-quiet + germ-killing? Pure Enrichment PureZone.
- Need budget + style + scent? Afloia Kilo.
- Dealing with odors or bacteria? GermGuardian AC4825.
- Need something compact and child-safe? PARTU HEPA.
Bonus Tip:
If your room is larger than the suggested coverage area, buy two of the same purifier and place them on opposite sides. It’s still cheaper than one premium model!
Related Contents: