FYNTRA Essential Oil Diffuser - HVAC System, 5500 Sq.Ft Waterless Diffuser, Whole House & Aromatherapy Diffuser, Oil Diffuser for Office Home Large Room, WiFi & Bluetooth App Control, Black
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This item is eligible for return within 30 days of receipt
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
Monday, Jun 29
Color: Black
Size: 11.3*7.8*4"
Features
- Waterless DiffuserAdvanced cold-air, waterless diffusion technology powers this essential oil diffuser, using high-pressure airflow to atomize oils into ultra-fine dry nanoparticles for efficient dispersion. No heat, no water, no dilutionpreserving oil purity and fragrance integrity. Professional-grade performance ensures faster diffusion, consistent scent output, and a clean, residue-free aroma experience.
- HVAC Compatible Up to 5,500 Sq.Ft CoverageEngineered for seamless HVAC integration, the essential oil diffuser distributes fragrance evenly through air ducts for whole-home or commercial scenting. Includes dual spray heads for flexible installationstandalone use or tubing connection to HVAC systems. Ideal for Large Room applications, coverage reaches up to 5,500 sq.ft, ensuring consistent, large-scale diffusion in homes, offices, retail, and hospitality spaces.
- Smart App Control | WiFi & BluetoothSupports 2.4/5g WiFi and Bluetooth connectivity enable remote control through the Aroma Core app. Adjust mist levels, create schedules, set operating times, and manage fragrance intensity directly from a smartphone. Real-time control enhances flexibility for home or commercial use, allowing the essential oil diffuser to operate efficiently whether on-site or away.
- 500ml Large Capacity Up to 100+ Days RuntimeFeatures a 500ml oil capacity for extended operation and fewer refills. At medium mist level, runtime can exceed 100 days under normal conditions, verified through laboratory testing. Equipped with 7 timer settings and 7 mist levels, adjustable via the diffusers built-in control panel or the app, allowing flexible daily adjustment for efficient and consistent fragrance performance in residential or commercial spaces.
- All-in-One Accessories & 2-Year SupportThe essential oil diffuser comes ready for installation with a complete accessory set: Includes 2 mounting screws and 2 wall anchors, a security key, O-ring seal, Atomizing Cap, HVAC pneumatic connector, HVAC connection hose, 500ml bottle, user manual, and app instruction guide. FCC ID approved with responsive support team, allowing you to enjoy professional-grade fragrance diffusion with confidence.
Brand: FYNTRA
Color: Black
Recommended Uses For Product: Home, Hotel, House, Office, Shopping Mall
Material: Alloy Steel
Special Feature: App Control, Bluetooth, Pet-Friendly, Timer Setting, Wi-Fi
Brand Name: FYNTRA
Model Name: U4
Model Number: 1
Manufacturer Warranty Description: 2 year manufacturer.
Number of Items: 1
Manufacturer: FYNTRA
Item Weight: 8.6 Pounds
Unit Count: 1.0 Count
Manufacturer Part Number: U4
Included Components: App Instruction Guide, Atomizing Cap, HVAC Connection Hose, HVAC Pneumatic Connector, User Manual
Material Type: Alloy Steel
Additional Features: App Control, Bluetooth, Pet-Friendly, Timer Setting, Wi-Fi
Power Source: Corded Electric
Automatic Shutoff: Yes
Smart Home Compatibility: Smart Home Compatible
Mounting Type: Ornament / Wall Hanging / HVAC Compatible
Runtime: 100 minutes
Capacity: 500 Milliliters
Floor Area: 5500 Square Feet
Item Dimensions L x W x H: 7.8"L x 4"W x 5.51"H
Coverage: 5500 Square Feet
Color: Black
Shape: Rectangular
Recommended Uses For Product: Home, Hotel, House, Office, Shopping Mall
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Jun 29
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
Size: 11.3*7.8*4"
Update 5/1/26 I am updating my review to clarify a misunderstanding I had about the Fyntra Essential Oil Diffuser system’s app functions and to praise the company’s excellent customer support for helping me understand the issue. Initially, I thought the system was voice-enabled, which it is not, and I apologize for any confusion caused by my previous review. The seller reached out proactively to clarify this and helped me understand the app’s functions, especially for setting a pre-set schedule. Their communication was prompt and informative, giving me confidence that they are committed to supporting their product if any issues arise. In my original review, I noted that the unit works well, filling my home with my chosen scent without the hassle of candles, sprays, or water-mist diffusers. However, with any of these types of units it does require some airflow from your heat, air conditioner, or fan attached to your HVAC system to distribute the aroma throughout your space. I have a nearly 3,000 square foot home, and this unit supports up to 5,500 square feet, effectively filling every room on every floor with scent. The company provides two guides: a User Manual for setup, maintenance, and customer support, and an App User Guide. Initially, I was confused about the pre-set programming, but the seller clarified that once saved, the schedule will be followed, though only the current day’s schedule is visible when you return to preview your schedule. Overall, once you install your HVAC Oil Diffuser, register your system for wireless use, and set your schedules to your liking; it will seamlessly fill your home with your chosen scent. Compared to other units that offer similar whole-home aroma benefits, this system stands out for its more appealing pricing and because of my experience with customer support being not only informative and effective but also reassuring, knowing there was a human supporting their product to the utmost. I would definitely recommend this purchase to anyone in my friends and family circle.
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Reviewed in the United States on April 27, 2026 Reviewed in the United States on April 27, 2026 by V. Reviewer
Color: White
Size: 11.3*7.8*4"
Usibg this with peppermint oil to repel rodents. Cut a small hole in the wall where mice are heard, pop one end of the HVAC tubing inside and turn this baby on. Clears the wall instantly! This works great, simple controls you can use directly without the app, the aroma is strong, exactly what i needed. Five stars!
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Reviewed in the United States on May 27, 2026 Reviewed in the United States on May 27, 2026 by HR
Will not connect to wi-fi at all, despite numerous troubleshooting steps, but works well for scent coverage. Also does not continuously operate for 24 hrs. Seems to be a little bit noisy too. However, like I said; it works very well for scenting pretty much our entire home with just 1 unit.
Reviewed in the United States on April 23, 2026 by Robert
Color: White
Size: 11.3*7.8*4"
This waterless HVAC diffuser fills our whole home with a clean, long-lasting scent without being overwhelming. The WiFi and Bluetooth app control makes it super convenient to adjust schedules and intensity from anywhere. It blends nicely with our HVAC system and covers large spaces very evenly. Perfect for home, office, or large rooms, and much easier to maintain than traditional water diffusers. The white design also looks modern and elegant.
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Reviewed in the United States on May 27, 2026 Reviewed in the United States on May 27, 2026 by JS0716
This diffuser is on another level compared to standard ones. The 5500 sq. ft. coverage is impressive and easily scents large spaces or an entire home. The waterless design is clean and low maintenance, and the scent is consistent without being overpowering. The WiFi and Bluetooth app control makes it easy to adjust settings, schedules, and intensity right from your phone. It’s quiet, sleek, and feels like a high-end system. Perfect for homes, offices, or anyone wanting a hotel-like scent experience. Highly recommend.
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Reviewed in the United States on May 13, 2026 by Melissa
Color: Black
Size: 11.3*7.8*4"
Incredible diffuser. Easy to set up, fills the room with great scent, and runs well.
Reviewed in the United States on May 26, 2026 by Gee Man
I’ve been using this diffuser for a while now and it works pretty well. The setup was simple, and I like that it has an app so I can control it from my phone without having to walk over and adjust it. I have two dogs at home, so keeping the house smelling fresh is always a bit of a challenge. Since using this with some essential oils I like, the overall smell in the house has definitely improved. BTW, I really like the design — it’s simple and clean, and looks nice in the house.
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Reviewed in the United States on April 5, 2026 by kara
Color: White
Size: 11.3*7.8*4"
This diffuser was easy to install and seems to work well! I like that I can have a “signature scent” without having to burn candles. The app is user friendly too. The scent is light enough but still noticeable
Reviewed in the United States on May 18, 2026 by Ashlyn Adam