Levoit Vital 100S vs GermGuardian AC4825E
Levoit Vital 100S (#2, best value) vs GermGuardian AC4825E (#5, best budget): in our Air Purifiers for Bedrooms scoring the Levoit Vital 100S totals 8.3/10 and the GermGuardian AC4825E 6.5/10. At $119.99 versus $80.74, the GermGuardian AC4825E costs $39.25 less.
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TopsFive comparison scores
Side by side
| Levoit Vital 100S | GermGuardian AC4825E | |
|---|---|---|
| Price | $119.99 | $80.74 |
| CADR (Smoke) | 141 CFM | 125 CFM |
| Room Coverage | ~222 sq ft (AHAM) | ~743 sq ft (manufacturer, not AHAM-certified) |
| Filter Type | 3-in-1: washable pre-filter, HEPA, activated carbon | 3-in-1: carbon pre-filter, True HEPA, UV-C (optional) |
| Noise Level (Sleep Mode) | 25 dB | 32 dB (low speed, no dedicated sleep mode) |
| Smart Features | VeSync WiFi app, Alexa/Google, live AQI display | None (3-speed dial, UV-C toggle) |
| Filter Replacement Cost | ~$30 every 6-8 months | ~$25 every 6-8 months |
| Dimensions | 9.6" x 9.6" x 16.7" | 9" x 6.5" x 22" |
How they differ in real use
Built from our air purifiers for bedrooms scoring, each product's published specifications, and verified owner feedback — not hands-on testing.
Both the Levoit Vital 100S and the GermGuardian AC4825E made our Top 5 Air Purifiers for Bedrooms, at #2 (best value) and #5 (best budget). For about $15 more than the plain Core 300, it adds a real-time air quality readout and a washable pre-filter that lowers long-term running cost — more capability per dollar than the model above it. The lowest price here and a genuine HEPA filter with an optional UV-C stage, but the lack of a dedicated sleep mode means light sleepers will notice more fan noise than with the Levoit or Winix picks.
We score air purifiers for bedrooms on Bedroom Noise Fit (30%), Filtration Performance (25%), Room Size Fit (20%), Smart Features (10%) and Value (15%). On that basis the Levoit Vital 100S totals 8.3 out of 10 and the GermGuardian AC4825E 6.5. The widest gap is Bedroom Noise Fit, where the Levoit Vital 100S scores 8.7 against 6 for the GermGuardian AC4825E — sleep/night mode decibel level and light dimming. Smart Features also separates them: 7.9 for the Levoit Vital 100S versus 2 for the GermGuardian AC4825E. The GermGuardian AC4825E claws back ground on Value.
On paper, the specifications that actually differ: CADR (Smoke) — 141 CFM on the Levoit Vital 100S versus 125 CFM on the GermGuardian AC4825E; Room Coverage — ~222 sq ft (AHAM) on the Levoit Vital 100S versus ~743 sq ft (manufacturer, not AHAM-certified) on the GermGuardian AC4825E; Filter Type — 3-in-1: washable pre-filter, HEPA, activated carbon on the Levoit Vital 100S versus 3-in-1: carbon pre-filter, True HEPA, UV-C (optional) on the GermGuardian AC4825E; Noise Level (Sleep Mode) — 25 dB on the Levoit Vital 100S versus 32 dB (low speed, no dedicated sleep mode) on the GermGuardian AC4825E; Smart Features — VeSync WiFi app, Alexa/Google, live AQI display on the Levoit Vital 100S versus None (3-speed dial, UV-C toggle) on the GermGuardian AC4825E; Filter Replacement Cost — ~$30 every 6-8 months on the Levoit Vital 100S versus ~$25 every 6-8 months on the GermGuardian AC4825E.
Pricing as of July 13, 2026: $119.99 for the Levoit Vital 100S and $80.74 for the GermGuardian AC4825E, a $39.25 difference in the GermGuardian AC4825E's favor. Owners praise the Levoit Vital 100S for real-time air quality number on the display and in the app and washable pre-filter reduces long-term filter spend; the most common complaint is app requires a WiFi and account sign-up that some buyers skip. Owners praise the GermGuardian AC4825E for lowest price of the five, often under $85 with on-page coupons and optional UV-C stage for an extra layer of germ reduction; the most common complaint is no dedicated night/sleep mode — low speed still measures louder than the Levoit units' sleep mode.
Levoit Vital 100S
- Real-time air quality number on the display and in the app
- Washable pre-filter reduces long-term filter spend
- 25 dB Sleep Mode with auto-dimming display
- Auto Mode adjusts fan speed to measured air quality overnight
- App requires a WiFi and account sign-up that some buyers skip
- Slightly larger footprint than the plain Core 300
- Replacement HEPA/carbon filter still needed every 6-8 months
GermGuardian AC4825E
- Lowest price of the five, often under $85 with on-page coupons
- Optional UV-C stage for an extra layer of germ reduction
- True HEPA filter captures 99.97% of particles down to 0.3 microns
- Low-speed setting is quiet enough for most sleepers
- No dedicated night/sleep mode — low speed still measures louder than the Levoit units' sleep mode
- Taller, narrower tower shape is less discreet on a nightstand
- UV-C bulb is a separate wear part to budget for over time
Which should you buy?
The Levoit Vital 100S is the better fit for buyers who want to see the actual air quality number, not just a color light and households that will use app scheduling for a consistent nightly routine — it is the higher-scoring pick here, chiefly for Bedroom Noise Fit and Smart Features. The GermGuardian AC4825E is the better fit for budget-focused buyers who mainly need a functioning HEPA filter overnight and anyone who wants the option of a UV-C sanitizing stage, and the stronger choice if Value matters more to you than the overall score. If the $39.25 saving matters more than Bedroom Noise Fit, the GermGuardian AC4825E is the better value. The Levoit Vital 100S is a poor fit for buyers who don't want to create an app account for a household appliance; the GermGuardian AC4825E is a poor fit for light sleepers who need the absolute lowest noise floor.
Choose the Levoit Vital 100S if
- Buyers who want to see the actual air quality number, not just a color light
- Households that will use app scheduling for a consistent nightly routine
- Anyone who wants a washable pre-filter to lower running costs
Skip it if
- Buyers who don't want to create an app account for a household appliance
- Rooms much larger than a typical bedroom
Choose the GermGuardian AC4825E if
- Budget-focused buyers who mainly need a functioning HEPA filter overnight
- Anyone who wants the option of a UV-C sanitizing stage
- Small bedrooms where upfront cost matters more than smart features
Skip it if
- Light sleepers who need the absolute lowest noise floor
- Buyers who want a compact, low-profile unit for a small nightstand
Common questions
Is the Levoit Vital 100S better than the GermGuardian AC4825E?
In our Air Purifiers for Bedrooms ranking the Levoit Vital 100S scores higher overall, 8.3 to 6.5, with the biggest advantage in Bedroom Noise Fit. The GermGuardian AC4825E is stronger on Value, so it is the better pick if that matters most to you.
How much more does the Levoit Vital 100S cost than the GermGuardian AC4825E?
$39.25 more as of July 13, 2026: $119.99 for the Levoit Vital 100S against $80.74 for the GermGuardian AC4825E. Prices move, so the merchant page shows the current figure. What the extra buys is mostly Bedroom Noise Fit — 8.7 versus 6 in our scoring.
What is the main difference between the Levoit Vital 100S and the GermGuardian AC4825E?
The headline spec difference is CADR (Smoke): 141 CFM on the Levoit Vital 100S versus 125 CFM on the GermGuardian AC4825E. In use, the gap that matters most is Bedroom Noise Fit (8.7 vs 6 in our scoring): sleep/night mode decibel level and light dimming.