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Heating, Cooling & Air Quality

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Space Heaters Evaporative Coolers Essential Oil Diffusers & Oils Air Purifiers Dehumidifiers Fans Humidifiers Fireplaces Air Conditioners
Live Market Index Starting from $5.52

Independent Price Index: We continuously scan major authorized retailers including Amazon, Walmart, and Best Buy. Product listings and rankings are determined strictly by live landed price and customer value—never sponsored placement.

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OUTAD 300ml Ultrasonic Aromatherapy Aroma Essential Oil Diffuser Quiet Air Humidifier for Car, Office, Bedroom

OUTAD 300ml Ultrasonic Aromatherapy Aroma Essential Oil Diffuser Quiet Air Humidifier for Car, Office, Bedroom

3.1 (106)
$7.79
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5L Cool Mist Humidifiers, Top Water Filling & 24H Timer Ultrasonic Humidifier, Custom Humidity Setting, 7+1 Color Ambient Light & Aroma Tray, 28dB Silent Humidifier for Home

5L Cool Mist Humidifiers, Top Water Filling & 24H Timer Ultrasonic Humidifier, Custom Humidity Setting, 7+1 Color Ambient Light &

4.3 (162)
$39.99
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Giunmcul 360ML Humidifier with Cool Mist & Aromatherapy Tray Portable Ultrasonic Design for Home Office with Adjustable Mist Levels & Night Light

Giunmcul 360ML Humidifier with Cool Mist & Aromatherapy Tray Portable Ultrasonic Design for Home Office with Adjustable Mist Level

$7.91
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Leaf Humidifier 1800ML Large Capacity Ultrasonic Cool Mist Humidifier with LED Color Changing Lights, Air Freshener, Black

Leaf Humidifier 1800ML Large Capacity Ultrasonic Cool Mist Humidifier with LED Color Changing Lights, Air Freshener, Black

4.6 (16)
$36.15
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6L Humidifiers for Bedroom , Cool Mist Ultrasonic Humidifier with Humidity Sensor, Top Fill 60H & 28dB Quiet Runtime, 8+1 Color Night Lights, 360° Dual Nozzle--Blue

6L Humidifiers for Bedroom , Cool Mist Ultrasonic Humidifier with Humidity Sensor, Top Fill 60H & 28dB Quiet Runtime, 8+1 Color Ni

4.3 (227)
$59.99
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Vicks 0.6 gal 200 sq ft Ultrasonic Cool Mist Humidifier, White

Vicks 0.6 gal 200 sq ft Ultrasonic Cool Mist Humidifier, White

4.3 (4430)
$39.97
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Equate 0.5-Gallon Ultrasonic Humidifier

Equate 0.5-Gallon Ultrasonic Humidifier

3.9 (1942)
$33.97
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Vicks 3-in-1 Sleepy Time Ultrasonic Humidifier & Diffuser

Vicks 3-in-1 Sleepy Time Ultrasonic Humidifier & Diffuser

4.4 (1633)
$37.97
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Homedics, Cool Mist Ultrasonic, Easy Top Fill Humidifier with up to 44 Hour Run Time, UHE-CMTF20, White

Homedics, Cool Mist Ultrasonic, Easy Top Fill Humidifier with up to 44 Hour Run Time, UHE-CMTF20, White

4.3 (697)
$49.96
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Humidifiers for Bedroom Large Room Home, 2.2l Cool and Warm Humidifiers for Baby and Plants Mist Top Fill Desk Humidifiers Essential Oil Diffuser, Digital Air Humidifier for Home - Night Light

Humidifiers for Bedroom Large Room Home, 2.2l Cool and Warm Humidifiers for Baby and Plants Mist Top Fill Desk Humidifiers Essenti

2.9 (9)
$14.70
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Thera|Care Cool Mist Ultrasonic Humidifier | For Medium Size Rooms | No Filter Required | 16 Hour Run Time

Thera|Care Cool Mist Ultrasonic Humidifier | For Medium Size Rooms | No Filter Required | 16 Hour Run Time

3.7 (44)
$29.99
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Pelonis 1.2 Gallon Warm Mist Humidifier Black PSU12W1BB

Pelonis 1.2 Gallon Warm Mist Humidifier Black PSU12W1BB

4.0 (1452)
$32.52
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$59.00
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Warm and Cool Mist Humidifier Large Room, 5.3Gal/20L Whole House Humidifiers for Home, Quickly & Evenly Humidify Larger Areas, Top Fill, Dual Mist Nozzles and Atomizers, Office Plants, Black

Warm and Cool Mist Humidifier Large Room, 5.3Gal/20L Whole House Humidifiers for Home, Quickly & Evenly Humidify Larger Areas, Top

4.3 (100)
$139.99
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15000 BTU 3-in-1 Portable Air Conditioner with Heater - Cools & Heats Rooms Up to 850 Sq.Ft, Ultra-Quiet, Includes Remote Control White

15000 BTU 3-in-1 Portable Air Conditioner with Heater - Cools & Heats Rooms Up to 850 Sq.Ft, Ultra-Quiet, Includes Remote Control

$324.99
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ALROCKET 8L Humidifiers for Bedroom 1000ft², 80H Runtime Smart Warm&Cool Supersized Mist Humidifier for Large Room Indoor, Essential Oil,Quiet Whole House Humidifier for Baby, Plants

ALROCKET 8L Humidifiers for Bedroom 1000ft², 80H Runtime Smart Warm&Cool Supersized Mist Humidifier for Large Room Indoor, Essent

3.9 (108)
$89.99
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PHATOIL Pineapple Essential Oils Perfect for Aromatherapy, Diffuser - 3.38FL.OZ

PHATOIL Pineapple Essential Oils Perfect for Aromatherapy, Diffuser - 3.38FL.OZ

4.8 (23)
$9.99
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PHATOIL Cinnamon Essential Oils 100% Pure Natural Perfect for Aromatherapy Diffusers, Humidifiers, Skin Care, Massage, Relaxation 100ml/3.38 fl.oz

PHATOIL Cinnamon Essential Oils 100% Pure Natural Perfect for Aromatherapy Diffusers, Humidifiers, Skin Care, Massage, Relaxation

4.2 (89)
$8.99
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LEVOIT Smart Cool and Warm Mist Humidifier with Aromatherapy,4.5L, LV450S,White

LEVOIT Smart Cool and Warm Mist Humidifier with Aromatherapy,4.5L, LV450S,White

4.6 (104)
$64.95
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HIQILI 100% Pure Lavender Essential Oil, 100ML Undiluted for Diffuser, Relax Mind & Better Sleep

HIQILI 100% Pure Lavender Essential Oil, 100ML Undiluted for Diffuser, Relax Mind & Better Sleep

4.4 (493)
$11.02
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Clove Bud Essential Oil for Aromatherapy Diffuser, Toothache Relief, 10ml by Pure Body Naturals.

Clove Bud Essential Oil for Aromatherapy Diffuser, Toothache Relief, 10ml by Pure Body Naturals.

4.6 (203)
$6.99
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Aeshory Essential Oils Set for Diffuser, Humidifier, Aromatherapy, Massage, Soap, Candle Making (12 Pack/5mL)

Aeshory Essential Oils Set for Diffuser, Humidifier, Aromatherapy, Massage, Soap, Candle Making (12 Pack/5mL)

4.6 (79)
$14.39
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GuruNanda Rosemary Essential Oil, Pure & Natural, Aromatherapy & Diffuser, 15 mL

GuruNanda Rosemary Essential Oil, Pure & Natural, Aromatherapy & Diffuser, 15 mL

4.4 (165)
$5.52
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