®Cold-mist Diffuser
Cold-mist atomisation with no heating, so the accord never changes; built for continuous operation over large areas, with intensity set by trading hours.
Air Scenting
Signature Scenting
Scent is the shortest path to memory. Cal Inc. controls the process end to end — sourcing, on-site survey, scent design, installation, commissioning and managed aftercare — to build a distinctive, stable and maintainable olfactory identity for hotels, homestays, airports, offices, retail and residential spaces.
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Scent never passes through the eye
yet it reaches memory first
The smell of a space often makes its first introduction before a guest has said a word. Cal Inc. works with scent as a form of brand identity — not an optional decoration. We deliver fragrance in a measurable, repeatable way, so it stays consistent in the memory of every visit.
Product Collections
Diffusers, reed diffusers, scented candles and more — chosen to suit each space.
Scent Machines
Wall-mounted / floor-standing · 80–200 m²
Smart Scent Diffuser SC-320
Touchscreen timer and intensity control, consumable-free pump — one unit covers up to 200 m².
Scent Machines
Connects to air handling · 500 m² and above
Central HVAC Scenting System SC-500
Connects to central air conditioning and fresh air ducts, delivering fragrance evenly to every corner of the lobby.
Reed Diffusers
Flameless diffusion · approx. 8 weeks
Reed Diffuser · Classic 180 ml
Natural rattan reeds release fragrance slowly — a flameless choice for bedrooms and reception desks.
Reed Diffusers
Large format · store-grade lasting
Reed Diffuser · Commercial 350 ml
A 350 ml commercial bottle covering the entrance circulation of stores and showrooms.
Scented Candles
Natural soy wax · approx. 45 hours
Soy Wax Candle · Amber Vanilla
A warm amber and vanilla accord for guest-room turndown and private dining.
Scented Candles
Woody accord · approx. 45 hours
Soy Wax Candle · Cedar & Sandalwood
A composed cedar and sandalwood woody accord for studies and tea rooms.
Other Aroma Products
Citrus / pomelo · 500 ml
Scent Refill · Citrus Series
Refill for diffusers and reed bottles — citrus notes that refresh without overwhelming.
Other Aroma Products
Survey · blending · maintenance
Custom Space Scenting Service
On-site survey matched to your brand character, from blending to delivery.
Diffusion Equipment
Specified by floor area, ventilation and interior layout, balancing even atomisation, noise control and easy refilling — both units and fragrance oils are supplied and maintained by Cal Inc.
Flameless Diffusion
Natural evaporation from rattan reeds or aroma stones — no power, no noise, for gentle continuous diffusion in smaller spaces.
Central Diffusion System
Connected to fresh air or air conditioning ducts, delivering scent evenly with the airflow — for unified scent management across a whole floor or building.
Service Process
From site survey to long-term maintenance — five steps delivered as a closed loop, keeping intensity stable and consistent across the space, and adjusted with the seasons and events.
01
Site Survey
Assessing circulation, floor area, ventilation and interior conditions.
02
Scent Design
Matching brand character, audience preference and the function of the space.
03
Equipment Layout
Placing units along airflow and circulation for even coverage without dead spots.
04
Installation & Commissioning
Setting atomisation and intensity, then confirming the perceived strength on site.
05
Maintenance Handover
Scheduled fragrance refills, effect reviews and programme refinements.
Applications
Using scent to strengthen spatial memory, brand recognition and the visitor experience.
Retail Stores
A signature accord reinforces brand memory and lengthens dwell time and goodwill.
Hotel Spaces
A consistent, refined atmosphere across public areas and guest rooms.
Offices & Reception
Fresh scent lifts the quality of the space and relieves the staleness of sealed interiors.
Let your brain choose the scent that actually suits you
Neuro-Scent ｜ Reading emotion through brainwaves to blend a personal "mood scent"
A fragrance is not good or bad — only in or out of tune with your mood. Neuro-Scent uses a brain-computer interface to capture your genuine emotional response to each scent, turning "like, relaxed, pleased" into visible brainwave data, then blending a personal mood scent precisely from dozens of fragrances.
No chasing bestsellers, no copying others — only what resonates with your mood.
01
Put on the device and begin the scent experience
02
Experience several fragrances with live brainwave feedback
03
Visualise the data and identify emotional preferences
04
The system blends precisely and produces your personal mood scent
Stop guessing at fragrance — let the brain answer.
Your mood deserves a scent of its own.
A Scent Programme Tailored to Your Space
Book a free survey and our engineers will come back with scent recommendations, unit placement and intensity settings.