★ SOSA for Fine-Dining Restaurants and Restaurant Groups
A restaurant inside a hotel arrives through somebody else's composition, so its door should either inherit the hotel's signature or stay neutral, and never compete at the threshold
★ ★ ★ ★ ★
★★★★★
"Set the timer once and forgot about it. Runs only during store hours, refills last weeks. Exactly what I wanted."
SOSA Vaayu · showroom
★★★★★
"Our old water diffuser couldn't fill the living-dining. This one does the whole floor and you can't hear it running."
SOSA Vaayu · large home
★★★★★
"The app scheduling is the best part - strong in the mornings, gentle in the evening. Clinic feels calm all day."
SOSA Vaayu · wellness studio
★★★★★
"Paired it with the SOSA hotel oils. The projection is genuinely lobby-strength - nothing like a plug-in."
SOSA Vaayu · workspace
★★★★★
"My reception now smells like a five-star lobby. Guests comment on it before they even reach the desk."
SOSA Vaayu · lobby scenting
★★★★★
"Zero dampness, which was my worry in monsoon. The mist is completely dry and the scent carries across the whole salon."
SOSA Vaayu · spa & salon
★★★★★
"Set the timer once and forgot about it. Runs only during store hours, refills last weeks. Exactly what I wanted."
SOSA Vaayu · showroom
★★★★★
"Our old water diffuser couldn't fill the living-dining. This one does the whole floor and you can't hear it running."
SOSA Vaayu · large home
★★★★★
"The app scheduling is the best part - strong in the mornings, gentle in the evening. Clinic feels calm all day."
SOSA Vaayu · wellness studio
★★★★★
"Paired it with the SOSA hotel oils. The projection is genuinely lobby-strength - nothing like a plug-in."
SOSA Vaayu · workspace
★★★★★
"My reception now smells like a five-star lobby. Guests comment on it before they even reach the desk."
SOSA Vaayu · lobby scenting
★★★★★
"Zero dampness, which was my worry in monsoon. The mist is completely dry and the scent carries across the whole salon."
SOSA Vaayu · spa & salon
★ The machine, for an outlet that genuinely owns its own arrival air
SOSA VaayuOnly where the outlet has its own foyerView ₹11,999
SOSA VaayuWall or duct mount, on your side of the doorView ₹11,999
SOSA VaayuAgreed with the hotel in writing before installView ₹11,999
✓ Waterless cold-air nebulisation with wall and HVAC mounting, which is the only reliable way to keep an outlet's fragrance on the outlet's side of a shared threshold ✓ Key-lock and app timers, because a hotel outlet is touched by the hotel's housekeeping, the hotel's engineering and your own team in the same week ✓ Made in India · independent, not affiliated with any hotel · a portion funds girl-child education
Founder Diaries · Commercial Scenting Guides · Fine-Dining Restaurants
Why is competing at the threshold such a bad outcome? Because two related compositions in overlapping air do not read as two ideas, they read as one blurred one. A hotel signature and a restaurant signature are usually both in the same dry, woody, clean-building family, so the guest standing in the doorway gets a smear rather than a handover. A near-miss is worse than no signature at all, and it is also the version a guest remembers as cheap. If you cannot be clearly different in air you clearly own, be nothing at your door and let the hotel carry it.
What does an outlet actually own, and what does that cost? Usually far less than the footprint suggests. Do the subtraction: a 3,200 sq ft outlet is often 2,400 sq ft of dining that stays unscented, 500 sq ft of kitchen, washrooms that belong to the hotel, and a host vestibule of about 180 sq ft. Under about 750 sq ft the answer is a ₹849 Mountain Breeze reed or a Sukoon at ₹1,899, and a Vaayu would be the wrong buy - it earns its place only where the outlet has its own foyer, lounge and corridor.
See the SOSA Vaayu Book a scenting plan
Facts verified 5 September 2026 against the live SOSA product pages: the SOSA Vaayu (₹11,999) is a waterless cold-air nebuliser rated to 1000m³, described by the manufacturer as approximately 2,000-3,000 sq ft, with adjustable intensity, a 400ml refillable tank lasting 90+ days a fill depending on intensity and run hours, Bluetooth app and button control, 1h/4h/8h/24h timers, operation under 38dB at 5W, freestanding or wall and HVAC mounting, auto-stop and key-lock, and CE, RoHS and SGS certification, which are electrical and compliance marks and not medical approvals. Being waterless, it adds no moisture and leaves no residue on surfaces or equipment. The SOSA Sukoon (₹1,899) is an ultrasonic cool-mist diffuser covering roughly 270-320 sq ft and is supplied with three 15ml fragrances; the water-based Hotel Collection (₹299 / ₹999 / ₹1,799) is an ultrasonic fragrance and is not a refill for a waterless cold-air machine. SOSA reed diffusers are alcohol-free and phthalate-free, with 50ml lasting about 6-8 weeks and 130ml about 14-18 weeks. Cold-air refill oil for the Vaayu is not currently sold separately - the machine ships with 400ml included and further refills should be confirmed with SOSA. Warranty, annual maintenance, installation and bulk terms are not published and should be confirmed before ordering. Ambient scent is an interior and hospitality decision: it makes no clinical, therapeutic or wellbeing claim, it works alongside proper extraction, grease management, drainage, cleaning and air change and is never a substitute for any of them, it is never used to mask or remove another smell, and no claim is made that fragrance influences a guest's decision or any commercial outcome. Dining rooms, chef's tables, tasting-menu rooms and food-preparation areas are left unscented, no machine is placed where its output can reach a table or a pass, no fragrance is described as food-safe or safe for use around food, and the operator's own kitchen consultant and local food-safety and fire authority govern anything sited near a kitchen. Fragrance oil is flammable and is kept away from open flame and heat. The chef's judgement overrides any scenting plan in their own room. The hotel-inspired scents are SOSA's own original interpretations; SOSA is an independent brand and is not affiliated with, or endorsed by, any hotel named for reference. Coverage, fragrance usage and running cost depend on the space, settings and hours of use, and are confirmed on a consultation. Prices and availability are subject to change - see the live product pages.
Every restaurant inside a hotel has a problem no standalone restaurant has: the first air its guest breathes was composed by somebody else, paid for by somebody else and is running on somebody else's air handling. That is not a fragrance brief. It is a question about who owns which body of air, and it is answered with a conversation and a tissue rather than with a dial.
Quick answers — read this first
How should a restaurant inside a luxury hotel approach signature scent? By treating it as a coordination problem first. The hotel's signature already owns the lobby and the corridor your guest walks down to reach you, and that air does not stop at your doorway. So the first decision is not which fragrance but which of three positions you take at the threshold: inherit the hotel's air and add nothing of your own, stay deliberately neutral at the door and place your own signature deeper inside your own volume, or compete. The third is never the right answer and it is the one most often chosen by accident.Why is competing at the threshold such a bad outcome? Because two related compositions in overlapping air do not read as two ideas, they read as one blurred one. A hotel signature and a restaurant signature are usually both in the same dry, woody, clean-building family, so the guest standing in the doorway gets a smear rather than a handover. A near-miss is worse than no signature at all, and it is also the version a guest remembers as cheap. If you cannot be clearly different in air you clearly own, be nothing at your door and let the hotel carry it.
What does an outlet actually own, and what does that cost? Usually far less than the footprint suggests. Do the subtraction: a 3,200 sq ft outlet is often 2,400 sq ft of dining that stays unscented, 500 sq ft of kitchen, washrooms that belong to the hotel, and a host vestibule of about 180 sq ft. Under about 750 sq ft the answer is a ₹849 Mountain Breeze reed or a Sukoon at ₹1,899, and a Vaayu would be the wrong buy - it earns its place only where the outlet has its own foyer, lounge and corridor.
The short answer
Short answer: as a coordination question rather than a perfumery one. The hotel's signature already owns the lobby and corridor your guest arrives through, so your threshold has three options and only two are honest: inherit the hotel's air and add nothing, or stay neutral at the door and put your own signature deeper inside air you genuinely own. Never compete at the threshold. Then size only the arrival air you own, which is often a 180 sq ft vestibule and an ₹849 reed.
The pick: a Mountain Breeze reed (₹849) or a SOSA Sukoon (₹1,899) where the outlet owns one small arrival room, and one SOSA Vaayu (₹11,999), wall or duct mounted on the outlet's side of the threshold, where the restaurant has its own entrance, foyer, corridor and washroom lobby as one connected volume.
Next step: tell us three things - whether the outlet is on the hotel's air handling or its own, whether the washrooms are yours or the hotel's, and whether there is a door between your foyer and the hotel corridor - and we will tell you whether you have a scentable volume at all and what to agree with the hotel in writing first - Ask for a restaurant scenting plan.
In this guide
The line that saves the most money here is the fourth. Most hotel outlets own a host vestibule and nothing else, which makes this a reed decision rather than a machine decision.
The machine for an outlet with its own foyer - tap to see the specification
For an outlet whose own foyer, corridor and washroom lobby form one volume
SOSA Vaayu ₹11,999
The next question every operator asks
Should a hotel restaurant follow the hotel's signature fragrance?
Get the zoning confirmed
Free restaurant scenting plan
Straight answer
How should a restaurant inside a luxury hotel approach signature scent?
As a coordination problem, not a perfumery one - and that reframe saves more hotel outlets from a bad installation than any advice about register or dosage. Your guest does not arrive at your door from the street. They arrive from the hotel's lobby, down the hotel's corridor, through air the hotel has already composed and is already paying to condition. That air does not politely stop at your threshold; it comes through the opening with every person who walks in, and if the outlet sits on the hotel's air handling it is quite literally the same air. So the first decision is a question about ownership, and there are three positions. You can inherit: add nothing of your own at the door, let the hotel's signature carry the arrival, and spend your attention on the things that are unambiguously yours - the food, the room, the service, the washrooms if you own them. You can stay neutral: put nothing at the threshold, and place your own signature deeper inside a volume you genuinely own, with a door between it and the hotel corridor. Or you can compete, which is never right and is almost always chosen by accident rather than on purpose. Competing fails for a specific reason: a hotel signature and a restaurant signature are usually both in the same dry, clean, woody family, so two sources in overlapping air give a guest a blur rather than a handover, and a near-miss reads worse than no signature at all. Settle three facts before you price anything. Is the outlet on the hotel's AHU or its own - the hotel's engineering team knows in a minute. Are the washrooms yours or the hotel's. And is there an actual door between your foyer and the hotel corridor, or just an opening. Then hold a tissue at nose height in that opening during service: if corridor air moves into you, nothing you place at the door stays there. This is also something to agree with the hotel in writing before anything is installed, because in most leased outlets the hotel's brand standards govern the shared approach. Then the arithmetic, which is unkind and useful. A 3,200 sq ft outlet is routinely 2,400 sq ft of dining that stays permanently unscented, 500 sq ft of kitchen, hotel-owned washrooms, and a host vestibule of about 180 sq ft. Under about 750 sq ft of envelope the honest buy is an ₹849 Mountain Breeze reed or a Sukoon at ₹1,899, and a Vaayu would be the wrong buy. One SOSA Vaayu at ₹11,999 earns its place only where the outlet has its own entrance, foyer, corridor and washroom lobby as one connected volume, and then the wall or duct mount is what keeps the output on your side of the threshold. The standing limits: this is an ambience decision like lighting, it is never a mask, the dining room stays unscented, and your chef's judgement overrides this plan in their own room. Ask for a restaurant scenting plan and tell us who owns which air.
Your guest arrives through the hotel's air, so decide first whether to inherit the hotel's signature or stay neutral at your door - never compete there. Then scent only arrival air you genuinely own, which is often one 180 sq ft vestibule and an ₹849 reed rather than a machine.
Where the outlet owns its own entrance and foyer, the machine is one SOSA Vaayu - waterless, rated to 1000m³, under 38dB, with app timers, a key-lock and wall or HVAC mounting that keeps the output on your side of the threshold. ₹11,999. Where you own one small vestibule, a reed at ₹849 instead.
See the SOSA Vaayu ₹11,999 Ask for a restaurant scenting plan
The question underneath the question
Who owns the air your guest breathes in the ten seconds before your door
The machine for an outlet with its own arrival
Two honest answers, and which applies is decided by whether your outlet owns a body of arrival air with a door on it. Most do not, which is why the cheaper card here is the more common one. The images link to the product pages so you can read the specification first.
An outlet with its own entrance, foyer and corridor
SOSA Vaayu
Waterless cold-air nebuliser rated to 1000m³, about 2,000-3,000 sq ft. 400ml tank running 90+ days a fill, app with 1h/4h/8h/24h timers, adjustable intensity, under 38dB, 5W, auto-stop and key-lock. The wall and HVAC mounting is the point here: it is the only reliable way to hold fragrance on your side of a shared threshold. ₹11,999.
From ₹11,999
One host vestibule - the usual hotel-outlet answer
Mountain Breeze reed
Pine, sage and cedar on an alcohol-free, phthalate-free coconut-derived base, 6 fibre reeds flipped weekly. 50ml runs 6-8 weeks at ₹849, 130ml 14-18 weeks at ₹1,349. For a small vestibule it is enough, it needs no power drop and no approval from hotel engineering, and a Vaayu at that size would be the wrong buy.
From ₹849
The three things to settle before you buy
None of these three is a fragrance question, and all three change the answer completely. Settle them in this order, because each one can end the conversation early and save you the money.
1
Find out whose air it is
One question to hotel engineering decides most of this
Ask whether your outlet is served by the hotel's central air handling or by its own units, and whether your supply air comes off a floor AHU shared with the corridor. If you are on the hotel's system, you and the corridor are one body of air with a decorative opening between you, and a separate signature at your door is not a design choice you can make - it will be diluted into the hotel's and read as a smudge. If you have your own units and your own return, you have a volume. Then confirm the obvious second question: are the washrooms your guests use yours to specify, or the hotel's. In many outlets they are the hotel's, and that removes the single most valuable fragrance decision in the building from your hands.
Tip: Ask for the AHU zoning drawing rather than a verbal answer. Engineering usually has it in a drawer.
2
Test the threshold, do not assume it
A tissue in the opening tells you whether the hotel's air is coming to you
Stand in your entrance during service with a strip of tissue at nose height and watch which way it leans, then repeat it at a quieter hour. If corridor air is moving into your outlet, the hotel's signature is arriving whether you planned for it or not, and anything you add at the door sits on top of it. If your air is moving out into the corridor, you are the one exporting, and a level set for your vestibule will be noticed by somebody standing in the hotel's lobby - which is a conversation to have with the hotel before you install rather than after. Either way the tissue settles it in two minutes, and it is the only site survey this decision needs.
Tip: Do it with the outlet's doors in their normal service position, propped or closed as they actually are.
3
Then agree it, then size it
The shared approach belongs to the hotel, and your envelope is smaller than your lease
Put the plan in writing with the hotel before anything is mounted: which volume you are treating, what register, at what hours, and who may change the setting. In a leased outlet the hotel's brand standards commonly govern the shared approach, and a machine discovered by a duty manager is a machine that gets unplugged. Then subtract out loud. Dining stays unscented, the kitchen is out, the hotel's washrooms are not yours, and what remains is frequently a single vestibule. Keep the register dry and mineral and deliberately unlike the hotel's if you do have your own volume - and nothing edible, which rules out our own Fresh Brew at ₹849 at any restaurant door.
One Mountain Breeze reed diffuser ₹849, set once and left alone, is the whole hardware side of this.
See SOSA Mountain Breeze reed diffuser →
The SOSA principle
A restaurant inside a hotel opens its door onto somebody else's composition, which makes its first scenting decision a diplomatic one rather than a perfumery one.
And the diplomatic answer is usually to inherit gracefully, because a second signature at a shared threshold reads as an argument.
The plan, threshold by threshold
Here is the hotel-outlet answer as a plan, written as a series of thresholds rather than rooms, because a threshold is where every one of these decisions actually gets made.
The SOSA plan
A restaurant inside a hotel, threshold by threshold
| The threshold | What to do |
|---|---|
|
Hotel lobby and corridor
|
Not yours. The hotel's signature owns it and should. Do not add a second source here, do not ask for a stronger one, and do not treat the corridor as an extension of your outlet. |
|
The outlet's own doorway
|
Neutral, unless you own a genuine volume behind it. This is the place where a second signature becomes an argument, and where most bad hotel-outlet installations sit. |
|
Your own foyer or vestibule, if you have one with a door
|
Scented, at a low level, placed inward and upstream so the gradient stays inside your space. This is the whole of the opportunity in most outlets, and it is often one small room. |
|
A lounge or bar you pass through before dining
|
Scented if it is genuinely your air and holds no tables, with the level set below the bar's own citrus and herb aromatics rather than over them. |
|
Washrooms - but check whose they are
|
Yes if they are yours, and a citrus-mint reads as cleaned, which is the reassurance the room gives. If they belong to the hotel, this decision is not yours to make and you should not install anything in them. |
|
The dining room, the pass and the chef's table
|
Unscented, permanently, whoever owns the corridor outside. No machine positioned anywhere its output can reach a table, and if the only mounting point available does, scent nothing. |
The reason a restaurant's scenting problem differs from a hotel's in the first place is set out in why restaurant scenting is different from hotel, retail and office scenting, and it is worth reading before a hotel's scenting supplier tells you what worked in the lobby will work in your outlet. If you operate several outlets across different kinds of building, the placement differences are in whether mall, hotel and high-street locations need different scenting strategies. SOSA is independent and not affiliated with any hotel.
One volume, one owner, one written setting
SOSA Vaayu ₹11,999 mounts on a wall or into a duct, which is how an outlet's fragrance stays on the outlet's side of a shared threshold.
The worst hotel outlet I have ever walked into was not the unscented one. It was the one where a good hotel signature and a good restaurant signature met in a doorway and cancelled each other into something that smelled like a corridor in a shopping centre.
— Sonal Sahani, SOSA
Why these features matter in a hotel building
A lock, a schedule and a mount - the three things a shared building demands
The SOSA hotel-outlet specification
Three products cover every honest hotel-outlet case, and which is right depends entirely on how much arrival air the outlet actually owns rather than on how large the lease is. Our Hotel Collection fragrances are ultrasonic-only and are never a refill for a waterless cold-air machine, and cold-air refill oil for the Vaayu is not currently sold separately - the 400ml supplied runs 90+ days a fill and further supply should be confirmed with SOSA in writing. Made in India, and a portion of every order supports girl-child education through Nanhi Kali.
The SOSA restaurant specification
Chosen by the arrival air you own, not by the size of the outlet
| Machine | Best for | Why it works | Price |
|---|---|---|---|
|
SOSA Mountain Breeze reed diffuser
|
One host vestibule under about 300 sq ft - the common case | Pine, sage and cedar, dry and unmistakably not-food. No power drop, no mounting, nothing for hotel engineering to approve, and deliberately unlike a hotel lobby signature | ₹849 View → |
 SOSA Sukoon
|
An outlet-owned arrival of roughly 300-750 sq ft | 270-320 sq ft coverage with three 15ml fragrances included, an adjustable level and an off switch for the hours the outlet is closed and the corridor is not. A Vaayu here would be the wrong buy | ₹1,899 View → |
|
SOSA Vaayu
|
An outlet with its own entrance, foyer, corridor and washroom lobby | 1000m³, waterless, app timers, key-lock, under 38dB, and wall or HVAC mounting that keeps the output on your side of a shared threshold - the one feature a hotel outlet genuinely needs | ₹11,999 View → |
Settle who owns the air, agree the shared approach with the hotel in writing, and then size only the volume you control. Ambient scent here is an ambience decision like lighting; it is never a mask for kitchen, corridor or service-lift odour; and the dining room, the chef's table and the pass stay unscented, with no machine placed where its output can reach a table. I will not describe any fragrance as food-safe or safe for use around food, because we have not tested for that and will not imply it, and anything sited near a food-preparation area is a question for your kitchen consultant and your local authority rather than for me. Fragrance oil is flammable and both oil and machine are kept away from open flame and heat, which in a hotel outlet means table candles, a flambé trolley and the range line. And plainly: SOSA does not publish a business-outcome number because it has not measured one. Ask for a restaurant scenting plan before you spend anything.
SS
ISIPCA
Versailles
Versailles
A note from Sonal
The enquiry from a hotel outlet nearly always arrives phrased as a perfumery question - what should our restaurant's signature be - and my first answer is a question back: whose air is your guest standing in when they read your sign. In almost every hotel I have walked, the answer is the hotel's. The lobby has a signature, the lift lobby has it, the corridor has it, and it comes through your opening with every guest who walks in. You cannot compose over that from inside a doorway, and trying to is how an outlet ends up with two good fragrances producing one poor impression.
So I ask operators to choose their position deliberately rather than by default. Inheriting is a perfectly respectable answer and it costs nothing: let the hotel own the approach, and put your own effort into the food, the room, the service and the washrooms if they are yours. Staying neutral at the door and placing your signature deeper inside your own volume is the better answer if you genuinely have such a volume, with a door on it and its own air handling. Competing is the one to avoid, and the reason is unglamorous: a hotel's signature and a restaurant's are usually cousins from the same dry, woody family, and cousins in one doorway do not read as two ideas.
On hardware I would rather undersell, and in this family that means undersell hard. A single host vestibule is a Mountain Breeze reed at ₹849 and needs no permission from anybody's engineering department. An outlet-owned arrival of 300 to 750 sq ft is a Sukoon at ₹1,899. A Vaayu at ₹11,999 belongs to an outlet with its own street entrance and a connected arrival envelope, where the duct mount earns its money by holding a boundary. And whatever you specify, get the shared approach agreed with the hotel in writing first. Made in India, and a portion of every order supports girl-child education through Nanhi Kali.
Frequently asked questions
How should a restaurant inside a luxury hotel approach signature scent?
As a coordination problem rather than a perfumery one. The hotel's signature already owns the lobby and corridor your guest walks through, and that air comes into your outlet with every guest. So choose a position deliberately: inherit the hotel's air and add nothing at your door, or stay neutral at the threshold and place your own signature deeper inside a volume you genuinely own with a door on it. Never run a second source at a shared threshold.
Why should we not put our own fragrance at the outlet's door?
Because a hotel signature and a restaurant signature usually sit in the same dry, clean, woody family, and two related compositions in overlapping air read as one blurred idea rather than two. The guest standing in your doorway gets a smear instead of a handover, and a near-miss reads worse than no signature at all. If you cannot be clearly different in air you clearly own, being nothing at the door is the stronger choice.
How do we find out whether we own our arrival air?
Ask hotel engineering whether your outlet is on the hotel's central air handling or its own units, and ask for the AHU zoning drawing rather than a verbal answer. Then hold a strip of tissue at nose height in your entrance during service and watch which way it leans, and repeat it at a quieter hour. If corridor air moves into you, anything you place at the door does not stay there. Also confirm whether the washrooms are yours or the hotel's.
Do we need permission from the hotel?
Practically, yes, and it should be in writing before anything is installed. In most leased outlets the hotel's brand standards govern the shared approach, and a machine a duty manager discovers is a machine that gets unplugged. Agree which volume you are treating, the register, the hours and who may change the setting. SOSA is an independent brand and is not affiliated with any hotel, so we cannot speak for a hotel's standards - only tell you to settle them first.
What size machine does a hotel restaurant need?
Usually the smallest one. Size the arrival air you own rather than the lease: a 3,200 sq ft outlet is routinely 2,400 sq ft of unscented dining, 500 sq ft of kitchen, hotel-owned washrooms and a 180 sq ft host vestibule. Under about 750 sq ft the honest buy is a reed at Rs 849 or a Sukoon at Rs 1,899, and a Vaayu at Rs 11,999 would be the wrong buy. The Vaayu is right only where the outlet has its own entrance, foyer and corridor.
Inherit or stay neutral, but never compete at the door
SOSA — Clinic Scenting for restaurants inside luxury hotels
Where an outlet owns its own entrance, foyer, corridor and washroom lobby, the SOSA Vaayu (₹11,999) covers up to 1000m³ and mounts on a wall or into a duct so the output stays on your side of a shared threshold, with app timers, a key-lock, under 38dB and 90+ days a fill. Where you own one host vestibule, it is a Mountain Breeze reed at ₹849 or a Sukoon at ₹1,899 and a Vaayu would be the wrong buy. The dining room stays unscented whoever owns the corridor. Made in India, and a portion of every order supports girl-child education through Nanhi Kali.
Ask for a restaurant scenting plan → SOSA Vaayu · ₹11,999
One more look at the Vaayu
Continue the read
More from SOSA
- SOSA Vaayu - the machine for a hotel outlet that owns its own connected arrival volume (₹11,999)
- Should a fine-dining restaurant entrance have a signature fragrance?
- Which areas of a restaurant should be fragranced - and which shouldn't?
- Ask us: Ask for a restaurant scenting plan
- Brand: Founder story — why SOSA exists
Editorial standards & sources
About this guide: Written by Sonal Sahani, ISIPCA Versailles-trained founder and perfumer at SOSA Home & Body. Product recommendations reflect the SOSA range; the planning advice applies to any brand.Facts verified 5 September 2026 against the live SOSA product pages: the SOSA Vaayu (₹11,999) is a waterless cold-air nebuliser rated to 1000m³, described by the manufacturer as approximately 2,000-3,000 sq ft, with adjustable intensity, a 400ml refillable tank lasting 90+ days a fill depending on intensity and run hours, Bluetooth app and button control, 1h/4h/8h/24h timers, operation under 38dB at 5W, freestanding or wall and HVAC mounting, auto-stop and key-lock, and CE, RoHS and SGS certification, which are electrical and compliance marks and not medical approvals. Being waterless, it adds no moisture and leaves no residue on surfaces or equipment. The SOSA Sukoon (₹1,899) is an ultrasonic cool-mist diffuser covering roughly 270-320 sq ft and is supplied with three 15ml fragrances; the water-based Hotel Collection (₹299 / ₹999 / ₹1,799) is an ultrasonic fragrance and is not a refill for a waterless cold-air machine. SOSA reed diffusers are alcohol-free and phthalate-free, with 50ml lasting about 6-8 weeks and 130ml about 14-18 weeks. Cold-air refill oil for the Vaayu is not currently sold separately - the machine ships with 400ml included and further refills should be confirmed with SOSA. Warranty, annual maintenance, installation and bulk terms are not published and should be confirmed before ordering. Ambient scent is an interior and hospitality decision: it makes no clinical, therapeutic or wellbeing claim, it works alongside proper extraction, grease management, drainage, cleaning and air change and is never a substitute for any of them, it is never used to mask or remove another smell, and no claim is made that fragrance influences a guest's decision or any commercial outcome. Dining rooms, chef's tables, tasting-menu rooms and food-preparation areas are left unscented, no machine is placed where its output can reach a table or a pass, no fragrance is described as food-safe or safe for use around food, and the operator's own kitchen consultant and local food-safety and fire authority govern anything sited near a kitchen. Fragrance oil is flammable and is kept away from open flame and heat. The chef's judgement overrides any scenting plan in their own room. The hotel-inspired scents are SOSA's own original interpretations; SOSA is an independent brand and is not affiliated with, or endorsed by, any hotel named for reference. Coverage, fragrance usage and running cost depend on the space, settings and hours of use, and are confirmed on a consultation. Prices and availability are subject to change - see the live product pages.