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Topteng Smart Ultrasonic Cool Mist Humidifier

Topteng Smart Ultrasonic Cool Mist Humidifier

Best price now

$39.99at Best BuyObserved at 8:25 PM

Compared across 2 stores. Prices are checked against each store and labelled with when.

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Our take on the Topteng Smart Ultrasonic Cool Mist Humidifier

The Topteng Smart Ultrasonic Cool Mist Humidifier is a filter-free ultrasonic unit that weighs 2.86 lb and is meant for small rooms. It skips replacement filters, which keeps running costs low. Its best new price is $39.99 at Best Buy as of November 3, 2026, with two stores listing it new. That price sits at the low end for a smart-capable ultrasonic humidifier of this size.

Best forSmall bedrooms and officesBuyers who want no filter replacementsShoppers on a tight budgetAnyone wanting app or voice control on a cheap humidifier
Pros
  • Filter-free design, so no replacement filter costs
  • Light at 2.86 lb and easy to move between rooms
  • Cool mist is safe around children and pets
  • Low entry price at $39.99
  • Smart controls at a budget price
Cons
  • Ultrasonic mist can leave white dust if you use hard tap water
  • Small tank likely means frequent refills
  • No filter means minerals go into the air and onto surfaces
  • Smart features on budget brands can be unreliable

Topteng Smart Ultrasonic Cool Mist Humidifier prices at every store

  • Best BuyNew

    In stock

    $39.99Observed at 8:25 PM
    Visit store
  • Macy'sNew

    In stock

    $39.99Observed at 8:25 PM
    Visit store

Topteng Smart Ultrasonic Cool Mist Humidifier price history

Lowest price we've seen: $39.99 on Nov 4 at Best Buy. Tracked across 2 stores since Nov 4.

Specifications

Filter Type
Filter Free
Type
Ultrasonic
Weight
2.86 lb weight

Questions and answers

Is the Topteng humidifier worth it?
At $39.99 at Best Buy as of November 3, 2026, it is a cheap way to add cool mist to a small room without filter costs. Expect to refill often and to use distilled water if your tap water is hard.
Does it need a filter?
No. It is filter-free, so there is nothing to replace. The trade-off is that minerals in tap water are released as white dust, so distilled water is the safer choice.
How big a room will it handle?
It is a compact 2.86 lb unit, so treat it as a small-room humidifier for a bedroom or office rather than a whole-floor solution.
What comes in the box?
Expect the humidifier unit and a power adapter. A manual is usually included; check the listing for the exact contents before ordering.
When is it cheapest?
The current best new price is $39.99 at Best Buy as of November 3, 2026. Small humidifiers like this often drop during fall and winter sales, so compare the two stores before buying.
Where is the Topteng Smart Ultrasonic Cool Mist Humidifier cheapest?
At Best Buy, for $39.99, as of our latest check.
Where can I buy the Topteng Smart Ultrasonic Cool Mist Humidifier?
2 stores we checked sell it, including Best Buy, Macy's.

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