2025 Upgraded 3500 Sq.Ft Smart Scent Machine - HVAC System, Whole House Aroma & Hotel Collection Diffuser, Waterless Essential Oil Diffuser for Home, Office, 600ML Capacity, Cold Air Tech (Black)
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Extended holiday returns
FREE refund/replacement until Jan 31, 2026 Learn more
FREE refund/replacement until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2026
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
Only 5 left in stock, order soon!
Arrives
Tuesday, Dec 2
Recently Viewed
Color: Black
Features
- Acrylic
- AROMADD 2025 NEWLY UPGRADED: The Aromadd waterless essential oil diffuser utilizes the latest cold air diffusion technology, combining cold filtered air and high-pressure air to fully atomize the essential oil into fine particles for efficient diffusion. It does not require heating or adding water, and can add fragrance to your environment within minutes, bringing high-quality aroma to the entire room
- LET EVERY CORNER BE IMMERSED IN FRAGRANCE: The Oil diffusers for home large room has an incredible coverage of 3,500 sq.ft. With a capacity of 600ml, the waterless essential oil diffuser can run for up to 120 days, eliminating the need for frequent oil refills. It can add fragrance to your entire home, office, spa center, or commercial space, making every corner smell and feel like a 5-star hotel
- PERSONALIZED SCENT WITH BLUETOOTH APP CONTROL: Our smart scent air machine is an ideal choice for enhancing your scent experience. Through Bluetooth connectivity, you can easily customize multiple advanced schedules, including operating dates, specific times, mist intensity, working time, and rest time. Compared to ordinary essential oil diffusers on the market, it is smarter, clearer, and able to simplify your maintenance routine. Enjoy a customized scent journey to the fullest
- AROMADD HVAC DIFFUSERS FOR EVERY ENVIRONMENT: Whether as a standalone unit or wall-mounted, Aromadd diffusers are designed to seamlessly integrate with both new and existing HVAC systems, delivering an even and consistent fragrance throughout larger spaces. Perfect for homes and businesses, they ensure an immersive scent experience with maximum coverage and efficiency
- MESS FREE & NOISE FREE: The Aromadd essential oil diffuser is designed to leave no mess or residue in your room, unlike other cheap household scent diffusers. It features a silent atomizer that allows you to relax without any noise disruption. The Aromadd diffuser can be easily installed on any wall or floor, and its unique design allows for seamless connection with your HVAC system
- WHY CHOOSE AROMADD ?: The reason for choosing AROMADD is because we not only focus on product performance but also place great importance on scent experience. We are committed to creating the ideal atmosphere for every home and commercial space. AROMADD's hotel collection diffuser uses advanced technology to transform scents into dry particles, allowing every breath to evoke beautiful memories and emotions. AROMADD's mission is to provide everyone with a 5-star hotel scent experience in their daily lives
- EXPLANATION: The new scent air machine for home does not contain essential oils. Product Size: 9.3 "L x 4 "W x 10.4 "H, Product Weight: 7.7lb
Brand: Aromadd
Color: Black
Recommended Uses For Product: Home, Office
Material: Acrylic
Special Feature: Wi-Fi
Brand: Aromadd
Color: Black
Recommended Uses For Product: Home, Office
Material: Acrylic
Special Feature: Wi-Fi
Capacity: 600 Milliliters
Floor Area: 3500 Square Feet
Model Name: U5B
Product Dimensions: 9.2"L x 4"W x 10.4"H
Coverage: 3500 Sq.Ft
Shape: Square
Auto Shutoff: No
Number of Items: 1
Manufacturer: Aromadd
Unit Count: 3500.0 Square Feet
Item Weight: 8.56 pounds
Item model number: U5B
Fabric Type: Acrylic
Assembly required: No
Batteries required: No
Included Components: 1 * adapter
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Dec 2
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Similar Products
Top Amazon Reviews
Color: Black
Wonderful machine!! Great fragrance output! Extremely easy to program (even for a boomer!) I’ve had two other diffusers in the past that that were like programming the space shuttle! This one is extremely user friendly!
Reviewed in the United States on November 15, 2025 by Stephanie Bowman
Color: White
Run, don't walk and get this!!! I have tried so many different air scent "things". Plug-ins (Glade, Wick, Bath and Body, Scentsy), wax melts, small diffusers, reed diffusers. They either smelled "chemically" or lasted for a week, and was no longer detectable. I have had this for 4 months and is some of the best money I have spent on making my house feel homey. The oil lasts forever. The noise level is miniscule. Installation (direct into central air system) was very simple. It took me less than 30 minutes One of the best parts is how customizable it is. I can have multiple schedules for different weeks, different concentrations for different parts of the day, AND I can control it all from my phone!!!! I love no matter where in my home I am (2,200' feet, 2 stories, split level) it always has the same relaxing, calm scent. No hot spots or areas where there is nothing. BUY THIS! You will NOT regret it!!
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Reviewed in the United States on November 18, 2025 by Amazon Customer
Color: Black
Although it’s day one. I’m super impressed. Installation was incredibly easy. I connected it to the HVAC system and instantly, the aromatherapy began to work. Like others who commented, I was apprehensive about the fact that I have two air handlers in my home. They are right next to each other. I didn’t want to order two of them and have to manage two scents, two units etc. I opted to purchase a unit slightly larger than my home. Took included hose to the hardware store, purchased additional length and a “T” to connect the one unit to both systems. Took me 15 mins to install both and it is working perfectly! I am concerned about leaking being that it is up in my ceiling, so I purchased a cookie sheet from the dollar store and have it placed on top of it to catch any oils should it leak. The quality of the unit is quite good, but I can see how it could potentially leak. The unit is nearly silent, absolutely cannot hear it working from outside of the crawl space. The app is easy to manage and setup was simple. Although a little misleading as I was expecting to have WIFI capabilities, it is not capable. Only Bluetooth. This isn’t a huge issue, but would have been nice to have. I am following another review about the settings. By default the unit rests for 120 seconds and dispenses for 10. The other post mentioned that they use rest for 240 and dispense for 10. I personally thought the 120 and 10 was a little strong, so I dropped it back to 240. I am concerned about another review stating that it costs about $150/mo to run this. But if the unit dispenses about 10ml per week at the 10/240, I expect the full 500ml bottle to last at least 10 months. But we will see. After a full day, I can’t tell that it used any of the oil.
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Reviewed in the United States on August 23, 2025 by VegasHome08
Color: Black
The media could not be loaded. This machine really does make the house smell like a hotel WHEN it’s running well, the fragrance fills my 3000sqft home pretty good after long runs and feels luxurious. The smart controls on my phone are and I like being able to adjust the intensity and schedule straight through my phone. That said, it has its lows. It can be a little loud at times when I have visitors they always asks what that "noise" is and the scent doesn’t always stay consistent that sometimes it fades quicker than expected. I’ve found that filling it only partway (1/4 full) and pausing between runs helps keep the smell from disappearing too fast. Only use oil and not dilute it with water, this is not meant for that. So oil content and quality really matters when using. For now I’ve only used it as a standalone unit (not hooked up to HVAC yet) and even then it covers most of the house nicely. Pros: Covers pretty much the whole house, easy to control, hotel-quality fragrance Cons: A bit noisy, scent fades unless managed carefully Overall, it’s a solid upgrade and worth it if you want that high-end aroma at home for a value of the cost but it takes a little tweaking to get the best results.
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Reviewed in the United States on November 17, 2025 by TrinaTravelsWell TrinaTravelsWell
Color: White
It works very well, looks great, has enough capacity to last a long time, and it’s simple to install. It works on a timer with a schedule that is infinitely modifiable. It’s almost silent and I can smell the scent everywhere, even on the lowest setting. Only caveat is that the HVAC fan must be running so make sure that’s configured correctly. The only improvement I’d recommend is WiFi, as even though it has a long range relative to other Bluetooth devices, it’s still limited. Also, it would be great if it could alert when it runs out of oil. Otherwise, it is a great device for the price.
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Reviewed in the United States on September 13, 2025 by Carlos
Color: White
This is by far the best investment I have made to make my home smell good all the time. I've tried everything from plug ins, candles, wax melts sprays you name and it would last 1 week if that and then nose blind or it just wouldn't be as powerful. I had purchased another diffuser not this brand, but sent it back because it was loud and didn't work if my phone was not nearby. I decided to pay alittle more and try this one. AMAZING! first off it connects to my wifi and I control it through the app from anywhere. Very easy to setup for me. It took me awhile to adjust it to the perfect setting though but that's normal I didn't want the scent over powering nor too little so you have to play with it for awhile. It is a quiet machine compared to the one I had tried out, I can visibly see the mist and it fills my home with greatness. My house is a 2600sqft and it reaches to my second floor without connecting it to the HVAC. I notice the scent even comes into my office upstairs with the door closed. Im truly impressed and I hope it lasts me for a long time. I purchased a 4oz scent to try and see what scent I want for my house and let me tell you, it's been over a month already and there is still scent in the bottle to last me awhile. I can only imagine how long it would last if I filled up the diffuser bottle to the top. I understand some people have had issues with theirs but I have not and am greatful. Thank you Aromad for finally making this product and I can throw everything else away! I only need this in my home.
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Reviewed in the United States on July 1, 2025 by Lisa Eichner