Explore Our Diffusers
Cold-Air Scent Diffusers & Kits
Waterless, whisper-quiet diffusers for homes, offices and businesses. Kits include a luxury fragrance oil and save you money.
QX300 Starter Kit - HVAC Diffuser + Fragrance Oil
QX300 HVAC Cold-Air Scent Diffuser
QPD10 Smart Diffuser Kit + 4 oz Fragrance Oil
QPD10 Smart Cold-Air Aroma Diffuser - Wi-Fi App & Remote
QA1000 Pro Kit - Commercial HVAC Scent Diffuser + 500 mL Fragrance Oil
QA1000 Commercial HVAC Scent Diffuser - 800 mL, Bluetooth
QOP-C1 Rechargeable Car Aroma Diffuser
Luxury Fragrance Oils
Discover Our Signature Essences
Hotel-inspired scents for cold-air and HVAC diffusers. Own Style, Emerald Drift and Onyx Oud are now available in 4 oz (120 mL) and 16.9 oz (500 mL).
Own Style Hotel-Inspired Fragrance Oil
Emerald Drift Hotel-Inspired Fragrance Oil
Onyx Oud Hotel-Inspired Fragrance Oil
Cuban Night Luxury Fragrance Oil
Light House Luxury Fragrance Oil
Palace Luxury Fragrance Oil
Lavender Lemon Luxury Fragrance Oil
Lemongrass Luxury Fragrance Oil
Scent Guides
From the QOption Blog
How to Pair Fragrance Oils for Every Space
The right fragrance oil changes the mood of a space. Learn which scents work best for living rooms, bedrooms, offices, entryways, and open-plan spaces.
How to Scent a Large Space: HVAC vs. Ultrasonic Diffusers
Ultrasonic diffusers work well for single rooms, but large spaces need cold-air HVAC diffusion for consistent, even coverage. Here's how to choose the right approach.
How to Choose the Right Diffuser: Car, Home, or HVAC
Choosing between a car, home, or HVAC diffuser depends on your space and lifestyle. This guide breaks down the key differences so you can find the perfect scent solution.