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Updated September 2021
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BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and all opinions about the products are our own. Read more  
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and all opinions about the products are our own. Read more  
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We buy all products with our own funds, and we never accept free products from manufacturers.Read more 
Bottom line
Pros
Cons
Best of the Best
Sierra Modern Home Smart WiFi Wireless Essential Oil Diffuser
Sierra Modern Home
Smart WiFi Wireless Essential Oil Diffuser
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21st-Century Air Freshness
Bottom Line

Play around with your favorite scents with this custom oil diffuser that doubles as a virtual assistant.

Pros

Easy-to-use design that lets consumers pick their favorite essential oil scents and run them through a modern, tech-savvy device. Buyers love the voice-programmable scheduling and convenience, which diffuses oils when you are around and does away with standard waste. Ten hours of diffusing power.

Cons

Doesn't come with scents/oils. Not for those who struggle with technology.

Best Bang for the Buck
Air Wick Botanica Plug-In Scented Oil Starter Kit
Air Wick
Botanica Plug-In Scented Oil Starter Kit
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Most Eco-friendly
Bottom Line

Natural-smelling plug-ins with a simple setup; includes 6 refills for a year of scented bliss.

Pros

Naturally scented, environmentally friendly plug-in air freshener meant to smell as natural as its eco-friendly packaging and design. Buyers love the authentic-smelling Caribbean vibes without a hint of artificiality. Has 6 settings; many appreciate the subtlety which lower settings provide.

Cons

Some complain of overwhelming power, although the lower settings should offset this.

Glade Automatic Spray Holder Starter Kit
Glade
Automatic Spray Holder Starter Kit
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Trusted Brand
Bottom Line

Starter kit gives your home everything it needs for Glade-fresh rooms with plenty of control for custom spaces.

Pros

Battery-operated design gives users 60 days of freshness with every refill. Several scents to choose from, from clean linen to natural-scented tropical blossoms. Scents are interchangeable with the base model. Plug-and-work design makes setup and refill easy and stress-free. Built to leave alone after setup.

Cons

Some find the hiss of the spray to be a nuisance in quiet spaces. Be sure to guard your face when replacing scents.

Febreze Odor-Eliminating Plug Air Fresheners
Febreze
Odor-Eliminating Plug Air Fresheners
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Best for Small Spaces
Bottom Line

Subtle air freshener that eliminates unpleasant smells and replaces them with the refreshing scent of laundry on a hot summer day.

Pros

Each chamber holds 1,200 hours of power. Refills are easily disposed of and replaced thanks to consumer-friendly plug design. Pet owners laud unit for its ability to cover up pet odors and the unsavory smells of pet food. Most buyers note the odor-eliminating properties, even with very strong odors. Others laud the freshness.

Cons

Linen and Sky smells are overbearing for some who just want odors gone.

Amazon Basics Ultrasonic Cool Mist Humidifier with Essential Oil Diffuser
Amazon Basics
Ultrasonic Cool Mist Humidifier with Essential Oil Diffuser
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Simple Yet Solid
Bottom Line

Humidify the air while freshening up your room with this simple, effective diffuser from Amazon's house brand.

Pros

Give your room a nice, cool mist while keeping it smelling fresh. Essential oil tray allows users to put their favorite scents in with ease. Four-liter water tank lasts for hours without constant maintenance. Whisper-quiet functionality means no constant operational noise to take away from peaceful moments.

Cons

Some have trouble getting the water tray out as easily as it's advertised. No included scents.

HOW WE TESTED

We recommend these products based on an intensive research process that's designed to cut through the noise and find the top products in this space. Guided by experts, we spend hours looking into the factors that matter, to bring you these selections.

54
Models
Considered
190
Consumers
Consulted
28
Hours
Researched
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