BUY WITH YOUR HOME IN MIND
Choose by room size first
Choose the Vital 100S-P for a smaller room where its 222-square-foot repeated-cleaning rating is enough. Choose the Vital 200S-P when you need more airflow: its corresponding rating is 388 square feet. Both have a washable pre-filter, controls on the unit and VeSync app support.
The main tradeoff is space. The 200S-P is larger, so measure its position and leave room for airflow and opening the front cover. The 100S-P is easier to fit into a smaller room, but it cannot match the larger model’s maximum airflow.
How much more air does the 200S-P move?
The current stated CADR figures are 143 CFM for the 100S-P and 250 CFM for the 200S-P. That is about 75% more maximum airflow for the larger model. It is a useful difference if the room needs it, rather than a reason to buy the larger machine for every space.
For a 10-by-12-foot bedroom with an 8-foot ceiling, the 100S-P is a reasonable candidate. For a 15-by-20-foot living room with the same ceiling height, the 200S-P is the more suitable of the two on its stated room rating. The 100S-P’s 222-square-foot figure is below that room’s 300-square-foot floor area.
High ceilings or an open connection to another room increase the amount of air to clean. A large one-hour coverage claim does not remove that limit. Compare the repeated-cleaning figures shown here, rather than matching one model’s one-hour claim to the other’s 4.8-air-changes-per-hour rating.
Check the size beside your furniture
The 100S-P is about 12.6 inches wide, 6.3 inches deep and 16 inches tall. The 200S-P is about 15.6 inches wide, 8.5 inches deep and 19.8 inches tall. Those are body dimensions, not the full space needed in use.
Leave the intake and outlet clear and follow the manual supplied with your unit. A narrow gap between a sofa and wall may look large enough for the body but still be a poor place to run it. You also need to reach the front cover for cleaning.
Filter cleaning is similar; replacement filters are different
Both models have a removable pre-filter that can be washed. It catches larger debris before the main filter. Unplug the purifier before opening it, follow the cleaning directions and let the washed screen dry fully before reassembly.
Neither model’s main particle/carbon filter is washable. Do not rinse the whole filter assembly because the pre-filter can go in water.
Their replacement filters are not interchangeable. The 100S-P uses the Vital 100S series filter; the 200S-P uses the Vital 200S series filter. Check the exact model on the replacement listing and compare current filter costs before buying the machine. The larger purifier is not automatically cheaper to own because it can serve a larger room.
Neither needs its quietest mode to be the deciding feature
Both offer automatic and nighttime settings, and reviews praise quiet operation and easy setup. That does not tell us which is quieter while delivering the same airflow.
Their maximum CADR figures do not apply to Sleep mode. A larger purifier gives you more maximum capacity, but we would not promise that the 200S-P can clean a particular room quietly at an unmeasured lower speed. Choose enough capacity first, then adjust the speed to a level you can live with.
Which one fits your home?
The 100S-P makes sense for a smaller room when floor space matters and you like the washable front pre-filter. The 200S-P is the more useful step up for a larger room, while keeping a similar cleaning routine and the same app family.
Both still need clear airflow, regular pre-filter cleaning and replacement main filters. Choose the larger one for the room it can serve, rather than expecting the model name or Pet mode to guarantee stronger odor removal.
Looking beyond Levoit for a larger room? Our living-room air purifier guide also compares options from Blueair, Coway and Winix.
For a smaller room, our small-bedroom air purifier guide includes compact alternatives to the Vital 100S-P.
Before choosing a spot beside your furniture, check our guide to placing an air purifier.
If the larger Levoit is on your list, compare it with another similar-capacity option in our Vital 200S-P vs Winix 5510 guide.