Best Diffusers for Large Rooms & Spaces

When commonly available air purifiers cannot improve the air quality in your room, it’s time to check out the best diffusers for large rooms and spaces. Essential oils have been used for ages, not just to clear the air of impurities, but also to soothe our minds and bodies. In many cases, people just love the inviting and fresh aroma of essentials oils.

How do you find the best essential oil diffuser for your small or large room?

Here are some easy ways to determine the best diffuser for your customized needs.

  • If you have a large room, use a large diffuser. These large diffusers come in attractive colors and designs, so they easily blend into your existing décor. Also, you will not have to refill the water container often
  • How much essential oil must be released from the diffuser? The best way to know is to test with the help of suggested guidelines, then reduce or increase output to satisfy your personal needs
  • Choose a diffuser that consumes very little power and releases the required quantity of essential oil and water into the air at regular intervals. These diffusers run on complete auto

URPOWER 500ml Aromatherapy Essential Oil Diffuser Humidifier

Combining the benefits of an aromatherapy diffuser, night lamp, and humidifier, the URPOWER 500ml Aromatherapy Essential Oil Diffuser Humidifier is the one of the best diffusers for large rooms and spaces with the introduction of its value-added features. Here is a diffuser that requires refilling just once a week and relies on advanced ultrasonic diffusing technology to produce the 2.4 million vibrations needed to break down essential oils and water into healthy micro-particles. Using ultrasonic diffusion, these particles are then released into the atmosphere with a molecule structure that can be easily absorbed into the human body. These micro-particles clear the air of allergens, secondhand smoke, and stale air, thereby strengthening the immune system and relieving stress. This essential oil diffuser humidifier has a large 500ml water capacity. It can run non-stop for around 10 hours. It automatically shuts off when there is no water. Set the timer to release mist after 60, 120, 180 minutes or ON. This diffuser doubles up as a non-aromatherapy humidifier providing moisture and bringing relief from dry skin, dry cough, and sinus irritation.

Features

  • Has dimensions of 160mm x 121mm
  • Weighs 520 g
  • Fitted with 7 LED color-changing lamps with independent light control
  • Provides soft LED light illumination
  • Made of tough ABS and PB materials
  • Diffuses aroma in a 430 ft.² room
  • Humidifies a 269 ft.² room
  • Comes with a water adapter
  • Offers a user manual with detailed instructions
  • Delivers a measuring cup for filling water

Pros

  • Offered with 3-in-1 functions—aromatherapy diffuser, night lamp, and humidifier
  • Sustains integrity of essential oils molecular structure with ultrasonic diffusion
  • Improves air quality by removing allergens, stale air, and secondhand smoke
  • Doubles up as a non-aromatherapy humidifier to bring relief from sinus irritation
  • Shuts off automatically when there is no water
  • Uses multiple colored lights with gradual, fixed, or changing mode, or off
  • Runs for a maximum of 10 hours with advanced ultrasonic diffusing technology
  • Produces extremely fine micro-particles without generating heat

Cons

  • Does make some noise when water drips from the faucet
  • Must load fresh water every day to prevent foul moldy smell

Verdict

The URPOWER 500ml Aromatherapy Essential Oil Diffuser Humidifier can produce 2.4 million vibrations per second with the help of its advanced ultrasonic diffusing technology producing micro-particles without generating heat. This vital feature helps retain the properties of essential oils in a thin mist released to the air. Though this diffuser comes with a large 500ml water container, it is best to replace the water daily to prevent any odor. Also, avoid running this unit for more than 10 hours every day. Free yourself from breathing problems and strengthen your immune system; improve the air you breathe to relieve stress. Use this diffuser as a non-aromatherapy humidifier to get rid of dry skin, sinus irritation, and dry cough. With its three-way functions, this aromatherapy essential oil diffuser humidifier is definitely more than just a diffuser.

Housmile Large Essential Oil Diffuser for Aromatherapy

If you want the newest, upgraded version of one of the best diffusers for large rooms and spaces, check out the attractive Housmile Large Essential Oil Diffuser for Aromatherapy. It is reinforced with i

mproved sealing ring and multifunction features including its new aromatherapy diffuser, night light, and humidifier. Eco-friendly and safe to use, this essential oil diffuser comes in an attractive wood-grain design and is made of highly-durable non-toxic and non-corrosive materials. Release micro particles of essential oil into your home, spa, or hotel room with its ultrasonic aroma essential oil diffuser. Improve the quality of air you breathe in by removing allergens, second-hand smoke, and stale air. Your breathing will improve after a while. Your immune system is strengthened, keeping you in good spirits and relieving you from stress.

Features

  • Has dimensions of 7.5 x 7.5 x 7.9 inches
  • Comes with a 600-ml high-capacity water container
  • Has the capacity to soothe sore throat and nourish skin
  • Offers 3-in-1 functionality including aromatherapy diffuser, humidifier, and night lamp
  • Designed as an eco-friendly and safe diffuser
  • Fitted with an ultrasonic aroma essential oil diffuser
  • Strengthens immune system, relieves stress, and improves breathing
  • Compatible with all water-soluble essential oils including lavender and peppermint
  • Can be used at home, hotel room, yoga, spa, and office, among other places
  • Refreshes air in 160-sq.ft room
  • Made of high quality, non-toxic raw materials

Pros

  • Released as the newest upgraded version with unique spherical appearance
  • Presents a wood-grain surface to blend with existing room décor
  • Adopts advanced BPA-free materials with auto shut-off and double-safety protection
  • Helps improve air quality by removing stale air, second-hand smoke, and allergens
  • Control mist direction by rotating the top cover of the diffuser through 360 degrees
  • Produces 1.7 MHz vibrations stimulated by its oscillation circuit
  • Runs continuously for up to 8 hours

Verdict

The Housmile Large Essential Oil Diffuser for Aromatherapy comes with a very useful oscillation circuit that produces 1.7 MHz ultrasonic mechanical vibrations that are soundless and extremely safe. This diffuser can run continuously for nearly 8 hours releasing a fragrant mist into the air. It comes with an auto shut-off feature and is made of advanced BPA-free materials. Basically, you can use all kinds of water-soluble, fragrant essential oils with this diffuser including lemongrass and orange. Just clean the ultrasonic nebulizer with a cotton swab once a week to avoid unwanted odors. This diffuser has several mechanical features including 360° rotation that may give way after a few months of usage.

Housmile 1.8 Liter Essential Oil Diffuser Ultrasonic Cool Mist Aroma Humidifier

Housing a super large capacity 1800-mL water chamber, the Housmile 1.8 Liter Essential Oil Diffuser Ultrasonic Cool Mist Aroma Humidifier is a 3-in-1 aromatherapy diffuser, night light, and

humidifier combined in one unit. This diffuser comes with innovative features including a sleep mode, seven-color lights, and auto mist level adjustments up to 60 mL per hour. It can run continuously for 8 hours at a mist level of 220 mL per hour, 13 hours at 160 mL per hour, and 18 hours at 60 mL per hour. These mist modes can be activated easily with the help of highly-sensitive touch control buttons. Designed by Housmile, one of the top e-Commerce retailers, this diffuser is made from non-toxic raw materials creating a relaxed and comfortable atmosphere by releasing fragrance for up to 18 hours. Ultrasonic sounds lower than 35 dB are generated – inaudible to the human ear. Easy instructions are provided to clean the diffuser in just five simple steps.

Features

  • Has dimensions of 6 x 6 x 12 inches
  • Weighs 1.54 lbs.
  • Generates inaudible 35dB ultrasound waves
  • Offered as a 3-in-1 aromatherapy diffuser, humidifier, and night light
  • Comes with 220 mL/h, 160 mL/h, and 60 mL/h mist modes
  • Designed with seven-color lights

Pros

  • Comes with a massive water container capacity of 1.8 liters
  • Creates a relaxed and comfortable atmosphere with its mixture of essential oil and water
  • Runs non-stop from 8 to 18 hours
  • Turn on to sleep mode in just 3 seconds
  • Designed with three highly-sensitive mist mode touchscreen buttons
  • Can be cleaned easily after a week
  • Creates a soothing effect with soft, colored changing lights

Verdict

The Housmile 1.8 Liter Essential Oil Diffuser Ultrasonic Cool Mist Aroma Humidifier comes with a super large 1.8L water container. It can run continuously for 8 hours dispensing essential oil mist at 220ml per hour or even 18 hours at 60ml per hour, making it one of the best diffusers for large rooms and spaces. Easily activate any of these mist modes with highly sensitive touch control buttons seen on the screen. It works in silent mode and can be easily cleaned by following detailed instructions offered by Housmile, one of the top e-com retailers in the market. Seven lights provide soothing effects are available. Use this aromatherapy diffuser as humidifier or night light when needed.

Serene Tranquility Essential Oil Diffuser Cool Mist Humidifier

Made of high-quality, anti-corrosive polypropylene material, you can directly add any essential oil into the Serene Tranquility Essential Oil Diffuser Cool Mist Humidifier tank without the use of a filter. This aromatherapy diffuser comes with a 3-liter tank capable of releasing a mist of essential oils and water into the air for a period of 15 to 40 hours. This diffuser uses a symmetrically shaped tank made of sturdy plastic that allows you to easily pour in the water. Use mist modes from 75 to 200ml per hour or efficiently humidify your large room in the quickest possible time. Backed by a 100% satisfaction refund or replacement guarantee, the Serene Tranquility essential oil diffuser is one of the best diffusers for large rooms and spaces.

Features

  • Comes with a large 3L tank that holds water for 40 hours
  • Weighs around 2.2 lbs.
  • Constructed of anti-corrosive polypropylene material capable of holding essential oils
  • Has a symmetrically stable shaped tank to simplify the filling process
  • Comes with a tank made of special durable plastic
  • Designed to reduce white dust in the surroundings
  • Adopts a simple design that makes it easier to clean the tank
  • Offers strong 200 to 220ml/h mist output
  • Comes in different attractive colors and innovative, stylish design

Pros

  • Employs single button control for mist output/on/off functions
  • Designed with auto shutoff
  • Offers whisper-quiet operation to help you relax and sleep
  • Elevates your mood, and get softer, vibrant skin
  • Produces detox effect and repels insects
  • Backed by a 100% satisfaction guarantee
  • Helps ease tension and stress and speeds up healing

Cons

  • Use regularly to avoid breakdowns and bank on satisfaction guarantee
  • Clean the 3L tank regularly to avoid foul odor

Verdict

The Serene Tranquility Essential Oil Diffuser Cool Mist Humidifier has all the essential benefits you’d want in an essential oil diffuser and humidifier—a large 3L tank made of polypropylene plastic that allows you to pour in essential oil directly, and simple functions that makes it easier for you to operate and clean the unit. However, there are cases when this diffuser has stopped working after a few months of usage. Clean the tank regularly to avoid any foul odor, Handle the unit with care, as accessories are not as sturdy as its plastic body. The 100% satisfaction guarantee ensures you get a replacement or full refund for a defective product or if you don’t like the product.

Apalus 500ML Glass Ultrasonic Aromatherapy Essential Oil Diffuser


Designed as a high-capacity mist humidifier with auto shut-off feature, the Apalus 500ML Glass Ultrasonic Aromatherapy Essential Oil Diffuser comes with an elegant seven-color LED light on/off feature that allows you to light the glass unit in different colors. Just fill the reservoir with tap water, mix around 6 to 10 drops of the required essential oil in it; then press the “power” button to begin diffusing a cool mist of essential oil and water into the atmosphere. You have access to 4 settings including 1 hour, 3 hour, 6 hour, and continuous, or you can operate it on manual mode. When water levels go below the required level, the unit shuts off on its own. Producing around 2.4 million vibrations with its ultrasonic transducer, this diffuser generates mist particles that can be easily absorbed by the skin through the air. At full capacity, the 500ml tank with just 10 drops of essential oil delivers 8 to 18 hours of aromatherapy effect.

Features

  • Designed with a 500ml glass ultrasonic diffuser
  • Weighs approximately 3 lbs.
  • Comes with four timer settings including 1h/3h/6h and continuous mode
  • Produces 2.4 million vibrations with its ultrasonic transducer
  • Retains original effects of essential oils with ultrasonic vapor
  • Combines effects of aromatherapy, light therapy, and aqua therapy

Pros

  • Add 6 to 10 drops of essential oil to use for up to 18 hours in continuous mode
  • Comes with a safe auto shutoff function
  • Generates a fine ionizing mist to humidify and clean the skin
  • Allows you to relax and revitalizes your positive energy
  • Comes with 7-color LED lighting option

Cons

  • Check if the unit operates on arrival
  • Comes with an average-performing diffuser

Verdict

The Apalus 500ML Glass Ultrasonic Aromatherapy Essential Oil Diffuser is made of corrosion-resistant material to hold different kinds of essential oils. Its smooth glass finish and spacious 500ml water tank is capable of diffusing an aromatherapy mist in a 2,000-ft.² room. Fitted with a transparent frosted-glass housing, this diffuser produces soothing LED light in 7 colors. Choose any of these colors or switch off the light mode. Its ultrasonic technology retains the soothing effects of the essential oil by retaining its original molecule structure. This diffuser‘s gentle whisper-quiet operation is ideal for your bedroom, small or large living spaces. Even though this glass diffuser does not come with a 100% satisfaction guarantee, it is definitely one of the best diffusers for large rooms and spaces.