LABOR DAY 4-DAY SALE

Save on HDTVs, laptops, tablets and more.

Shop the sale ›

Ends Monday.

Current Offers

  • (20)
  • (125)

Brand

  • (34)
  • (21)
  • (11)
  • (9)
  • (9)
  • (8)
  • (7)
  • (6)
  • (5)
  • (4)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)

Price

to
  • (59)
  • (46)
  • (19)
  • (10)
  • (1)
  • (4)
  • (2)

Sold By

  • (78)
  • (63)

Customer Rating

  • (5)
  • (39)
  • (56)
  • (57)
  • (57)

Features

  • (23)
  • (18)
  • (11)
  • (9)
  • (8)
  • (6)
  • (5)
  • (4)

Humidifier Type

  • (82)
  • (33)
  • (4)
  • (3)
  • (1)
  • (1)

Color

  • (36)
  • (17)
  • (14)
  • (6)
  • (5)
  • (4)
  • (3)
  • (3)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)

Recommended Room Size

  • (4)
  • (13)
  • (5)
  • (47)

Condition

  • (140)
  • (1)
Store pickup
Buy Online, Pick Up at a Store
Pick up your BestBuy.com order at a store near you in as little as 45 minutes.
141 items
Sort by:
Items per page:
Crane - Ultrasonic 1-Gal. Cool Mist Humidifier - Brown - Angle
  • Model: EE-8189
  • SKU: 3628311
Humidifies rooms up to 500 sq. ft.; 1-gal. reservoir capacity; 2.1-gal. output per day; adjustable mist levels; owl design; demineralization cartridge
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

On Sale
(Reg. $49.99)
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

HoMedics - 1.4 Gal. Warm and Cool Mist Ultrasonic Humidifier - Silver/Blue - Larger Front
  • Model: UHE-WM85
  • SKU: 8548065
Humidifies rooms up to 625 sq. ft.; 1.4-gal. tank capacity; Ultrasonic and Clean Mist antimicrobial technologies; demineralization cartridge
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$129.99
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

SPT - Ultrasonic 0.6 Gal. Cool Mist Humidifier - Pink - Larger Front
  • Model: SU-2550P
  • SKU: 5969146
SPT Ultrasonic 0.6 Gal. Cool Mist Humidifier: For rooms up to 450 sq. ft.; 0.43 amps; 0.6-gal. reservoir capacity; fragrance diffuser; night light
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$36.99
On Sale
Save $13 (Reg. $49.99)
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

Crane - 1-Gal. Ultrasonic Cool Mist Humidifier - Hippo - Larger Front
  • Model: EE-8245
  • SKU: 1341125
Humidifies rooms up to 250 sq. ft.; 0.3 amps; 1-gal. capacity; up to 2.1-gal. output per day; auto shutoff safety sensor; whisper-quiet operation
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$49.99
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

Optimus - 1-Gal. Cool Mist Evaporative Humidifier - White - Larger Front
  • Model: U-33015
  • SKU: 1648683
Humidifies rooms from 500 to 700 sq. ft.; 0.055 amps; 1-gal. tank capacity; 2 moisture output settings; humidistat humidity control; wick filter
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$32.99
On Sale
Save $17 (Reg. $49.99)
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

Crane - 1-Gal. Ultrasonic Cool Mist Humidifier - Red - Angle
  • Model: EE-4139
  • SKU: 6387163
Humidifies rooms up to 500 sq. ft.; 1-gal. reservoir capacity; 2.1-gal. output per day; adjustable mist levels; pig design; demineralization cartridge
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

On Sale
(Reg. $49.99)
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

SPT - Ultrasonic 0.6 Gal. Cool Mist Humidifier - Violet - Larger Front
  • Model: SU-2550V
  • SKU: 5969191
SPT Ultrasonic 0.6 Gal. Cool Mist Humidifier: For rooms up to 450 sq. ft.; 0.43 amps; 0.6-gal. reservoir capacity; fragrance diffuser; night light
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$37.99
On Sale
Save $12 (Reg. $49.99)
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

SPT - Ultrasonic 0.6 Gal. Cool Mist Humidifier - White - Larger Front
  • Model: SU-2550W
  • SKU: 5969164
SPT Ultrasonic 0.6 Gal. Cool Mist Humidifier: For rooms up to 450 sq. ft.; 0.43 amps; 0.6-gal. reservoir capacity; fragrance diffuser; night light
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$38.99
On Sale
Save $11 (Reg. $49.99)
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

Crane - Ultrasonic 1-Gal. Cool Mist Humidifier - Monkey - Angle
  • Model: EE-8190
  • SKU: 6905238
Humidifies rooms up to 500 sq. ft.; 1-gal. reservoir capacity; 2.1-gal. output per day; adjustable mist levels; monkey design; demineralization cartridge
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$49.99
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

Crane - Ultrasonic 1-Gal. Cool Mist Humidifier - Cow - Angle
  • Model: EE-4140
  • SKU: 3628302
Humidifies rooms up to 500 sq. ft.; 1-gal. reservoir capacity; 2.1-gal. output per day; adjustable mist levels; cow design; demineralization cartridge
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$49.99
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

Crane - 1-Gal. Ultrasonic Cool Mist Humidifier - Dragon - Angle
  • Model: EE-5058
  • SKU: 6387579
Humidifies rooms up to 500 sq. ft.; 1-gal. reservoir capacity; 2.1-gal. output per day; adjustable mist levels; dragon design; demineralization cartridge
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$49.99
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

Crane - Ultrasonic 1-Gal. Cool Mist Humidifier - Elephant - Angle
  • Model: EE-3186
  • SKU: 3628241
Humidifies rooms up to 500 sq. ft.; 1-gal. reservoir capacity; 2.1-gal. output per day; adjustable mist levels; elephant design; demineralization cartridge
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$49.99
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

Dyson - 0.8 Gal. Ultrasonic Cool Mist Humidifier - Iron Blue - Larger Front
  • Model: 303515-01
  • SKU: 8741024
Up to 172 sq. ft. coverage; 0.8-gal. reservoir; up to 7.575-quart output daily; Ultraviolet Cleanse technology; 10 fan settings; adjustable humidistat; auto shutoff; low water indicator; remote
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$499.99
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

Dyson - 0.8 Gal. Ultrasonic Cool Mist Humidifier - Black/Nickel - Larger Front
  • Model: 303516-01
  • SKU: 8729052
Up to 172 sq. ft. coverage; 0.8-gal. reservoir; up to 7.575-quart output daily; Ultraviolet Cleanse technology; 10 fan settings; adjustable humidistat; auto shutoff; low water indicator; remote
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$499.99
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

Holmes - 1-Gal. Kids' Whale Ultrasonic Cool Mist Humidifier - White/Blue - Larger Front
  • Model: HUL2622W-UM
  • SKU: 9754107
1-gal. reservoir capacity; 24-hour run time; variable mist-control knob; visible cool mist output; whale design
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$39.99
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare