★ SOSA for Fine-Dining Restaurants and Restaurant Groups
Ambient fragrance in a premium restaurant is a question about four rooms rather than about the restaurant - and the dining room is not one of the four
★ ★ ★ ★ ★
★★★★★
"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
★★★★★
"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
★ The machine for one arrival volume, which is what most premium restaurants actually have
SOSA SukoonOne foyer, one host desk, one sourceView ₹1,899SOSA SukoonThree 15ml fragrances supplied in the boxView ₹1,899SOSA Sukoon₹1,899, and a Vaayu here would be the wrong buyView ₹1,899
✓ The scented list is closed and written down: entrance and foyer, host desk, waiting lounge, a cocktail lounge passed through before dining, corridors, washrooms and washroom lobbies, a banquet entrance. Nothing else. ✓ Sized to the non-dining envelope rather than the restaurant, which pushes most premium restaurants down to a ₹1,899 machine or an ₹849 reed ✓ 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 the dining room excluded when the rest of the building is not? Because that room already has a composition in it and your guest paid for that one. Smell and taste run through the same nose: while a guest chews, aroma travels up the back of the throat and into the nose from the inside, and a great deal of what they call taste is arriving that way. The nose cannot sort air above the plate from air in the room, because there is only one body of air. A foyer has no plate in it, which is precisely why it is available.
How big is that scented envelope in practice, and what does it cost? Smaller than the restaurant by a long way, because you size the non-dining envelope rather than the building. A 4,000 sq ft restaurant with a 180 sq ft foyer, a 40 sq ft host area and two washrooms is a 300 sq ft job and 3,700 sq ft that is never touched. Under about 750 sq ft of envelope the honest buy is one SOSA Sukoon at ₹1,899 or an ₹849 Mountain Breeze reed, and a Vaayu would be the wrong buy.
See the SOSA Sukoon 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.
The question arrives about once a week and it is almost always the wrong shape. Nobody is really asking whether a restaurant may use fragrance; they are asking whether I am about to argue with their chef, and how much of the building I intend to interfere with. So let me answer the size of it first: four rooms out of your whole floor plan, and none of them has a table in it.
Quick answers — read this first
Should a premium restaurant use ambient fragrance at all? Yes, in four kinds of room, and no in the one that prompted the question. The four are the entrance and foyer, a waiting or cocktail lounge a guest passes through before eating, the corridors and washroom lobby, and the washrooms. Add a banquet or private-event entrance if you have one. The dining room, the chef's table, any tasting-menu room and the pass stay unscented, and no machine sits anywhere its output can drift over a laid table.Why is the dining room excluded when the rest of the building is not? Because that room already has a composition in it and your guest paid for that one. Smell and taste run through the same nose: while a guest chews, aroma travels up the back of the throat and into the nose from the inside, and a great deal of what they call taste is arriving that way. The nose cannot sort air above the plate from air in the room, because there is only one body of air. A foyer has no plate in it, which is precisely why it is available.
How big is that scented envelope in practice, and what does it cost? Smaller than the restaurant by a long way, because you size the non-dining envelope rather than the building. A 4,000 sq ft restaurant with a 180 sq ft foyer, a 40 sq ft host area and two washrooms is a 300 sq ft job and 3,700 sq ft that is never touched. Under about 750 sq ft of envelope the honest buy is one SOSA Sukoon at ₹1,899 or an ₹849 Mountain Breeze reed, and a Vaayu would be the wrong buy.
The short answer
Short answer: yes, but only in four kinds of room: the entrance and foyer, a waiting or cocktail lounge guests pass through before dining, the corridors and washroom lobby, and the washrooms. A banquet entrance too, if you have one. The dining room, the chef's table, any tasting-menu room and the pass stay unscented, and no machine goes anywhere its output can reach a table. Size that envelope, not the restaurant.
The pick: one SOSA Sukoon (₹1,899) for a single arrival volume of roughly 300-750 sq ft, or an ₹849 Mountain Breeze reed for one small foyer - and one SOSA Vaayu (₹11,999) only once foyer, lounge, corridor and washroom lobby are genuinely one connected volume of air.
Next step: send a floor plan with the dining room, chef's table and pass shaded out, and we will tell you which of the four remaining rooms we would scent and which we would leave alone - Ask for a restaurant scenting plan.
In this guide
Three of those five lines narrow the job rather than sell it. That is deliberate: the value in this decision is in what you exclude, and the exclusions are what a chef will actually want to read.
The arrival machine for one entrance volume - tap for the specification
For a single foyer and host desk of roughly 300-750 sq ft
SOSA Sukoon ₹1,899
The map this answer comes from
Which areas of a restaurant should be fragranced - and which shouldn't?
Get the zoning confirmed
Free restaurant scenting plan
Straight answer
Should a premium restaurant use ambient fragrance at all?
Yes, and in a much smaller part of your building than you are picturing. There are four kinds of room in a premium restaurant where ambient fragrance is honest work: the entrance and foyer with the host desk in it, a waiting lounge or a cocktail lounge that a guest passes through before they eat, the corridors and the washroom lobby, and the washrooms themselves. Add a banquet or private-event entrance if your building has one. That list is closed. The dining room, the chef's table, any tasting-menu room and the pass stay unscented - not faintly, not as a base note running quietly under the service, unscented - and no machine is sited anywhere its output can drift across a laid table. The reason is mechanical rather than sentimental. Smell and taste run through one nose: while a guest chews and swallows, aroma rises up the back of the throat and reaches the nose from the inside, and a great deal of what anyone calls taste is arriving by that route. That nose cannot sort air above the plate from air in the room, because a room holds one body of air. Put a second composition into it and your guest is carrying something they did not order for two hours, seated, unable to step outside it. And if the single place a machine could physically go in your building throws its output across the tables, then the right answer for your building is nothing at all - I have said that to operators who were ready to pay, and the mechanism is set out in whether ambient fragrance can interfere with how customers experience food. Now the half that is worth spending on. You size the non-dining envelope, not the restaurant. Measure the foyer, the host area, the lounge, the corridor and the washroom lobby, add them together, and buy for that number and nothing else. A 4,000 sq ft premium restaurant with a 180 sq ft foyer, a 40 sq ft host area and two washrooms is a 300 sq ft scenting job with 3,700 sq ft that is never touched. Under about 750 sq ft of envelope the honest buy is one SOSA Sukoon at ₹1,899 or an ₹849 Mountain Breeze reed, and a Vaayu would be the wrong buy. One SOSA Vaayu at ₹11,999 earns its place only once foyer, lounge, corridor and washroom lobby behave as one connected volume of air. The register is dry and mineral on purpose - cedar, pine and sage, green and herbal, cool stone - so that nothing at your door is mistaken for something the kitchen is making. Four standing limits then, and they do not move: this is an ambience decision like lighting; it is never a mask for cooking, grease or a drain; the dining room stays unscented; and your chef has the final word in their own room. Fragrance oil is flammable, so oil and machine stay clear of flame and heat. Ask for a restaurant scenting plan and send the floor plan.
Four rooms yes: foyer, lounge, corridor and washroom lobby, washrooms. Dining room, chef's table, tasting room and pass: never, at any level. Then size only those four rooms, which usually lands on ₹1,899 rather than ₹11,999.
For one arrival volume the machine is a SOSA Sukoon - ultrasonic cool mist, roughly 270-320 sq ft, supplied with three 15ml fragrances, at ₹1,899. One small foyer and nothing else is an ₹849 Mountain Breeze reed instead. The Vaayu at ₹11,999 waits until the arrival is one connected volume.
See the SOSA Sukoon ₹1,899 Ask for a restaurant scenting plan
The closed list, published so nobody has to negotiate it
Four rooms carry fragrance. The room with the tables in it does not
The machine, by arrival volume
Two honest answers, and which one is right is decided by the cubic volume of the non-dining rooms and whether they are one connected space or several small separate ones. The images open the product pages so you can read the specification before you order.
One foyer with a host desk, roughly 300-750 sq ft
SOSA Sukoon
Ultrasonic cool-mist diffuser covering about 270-320 sq ft, supplied with three 15ml fragrances. This is the right buy for the single arrival volume most premium restaurants actually have, and it is quiet enough to sit behind a host desk without anybody hearing it during a service.
From ₹1,899
Only once the arrival is one connected volume
SOSA Vaayu
Waterless cold-air nebuliser rated to 1000m³, about 2,000-3,000 sq ft, with a 400ml tank running 90+ days a fill, app timers, adjustable intensity, under 38dB and a key-lock. Its real advantage here is wall and HVAC mounting, which is the only dependable way to hold fragrance on the foyer side of a threshold.
From ₹11,999
The four rooms, and what disqualifies a fifth
Three tests decide this, and only the last of them has a product in it. Operators usually start at the third, which is how a machine ends up in a room that should never have had one.
1
Shade out the dining room first
Draw the exclusions before anybody quotes you a machine
Take the floor plan and shade the dining room, the chef's table, any tasting-menu room, the pass and the kitchen. Then look at what is left and ask whether any of it is a genuinely separate volume of air. What remains is your whole scope of work. This order matters because a machine is described by where the box sits and judged by where its output lands: a unit on a console just inside the threshold is a dining-room machine whatever the invoice calls it. Anything sited near a food-preparation area is a question for you, your kitchen consultant and your local authority, and we sidestep it by keeping the machine out of those rooms completely.
Tip: Shade the plan in pen, then photograph it. That sheet is the brief any supplier should be working to.
2
Settle any odour problem before you scent a thing
If the room smells of last night, no product here will help
A restaurant that greets you with yesterday's frying at eleven in the morning has an exhaust, grease, drain, fabric or housekeeping problem, and fragrance laid over it gives you the problem and the fragrance together rather than either alone. Nothing we sell removes, cancels or covers another smell, and SOSA sells no extractor, no purifier and no deodoriser. Work in order: find the source, clean it properly, get extraction and overnight air change right, and only then put fragrance into the arrival. Until that is done the honest position is to trade unscented, and I would rather you spent the money on duct cleaning.
Tip: Unlock the building and walk in from the street before the kitchen lights go on. That first breath is the only unbiased nose you have.
3
Then add up the four rooms and buy for that
The subtraction is the whole commercial decision
Measure the foyer, the host area, the lounge, the corridor and the washroom lobby in metres, multiply by ceiling height, and buy for that volume. Floor area flatters a double-height entrance, so use cubic metres when the shell is tall. Under about 750 sq ft of envelope it is one Sukoon at ₹1,899 or an ₹849 reed and a Vaayu would be the wrong buy - it would sit at the bottom of its range in a room that never needed it. The register for all of it is dry and inedible: cedar, pine and sage, green, herbal, dry tea, cool stone. Washrooms are the one room where a citrus-mint earns its keep, because it reads as cleaned.
Tip: Set the level for a guest walking back out at the end of a long dinner, not for the first breath on the way in.
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
Ambient fragrance in a restaurant is a decision about four rooms, and the room that prompted the question is not one of them.
Publish the list and it stops being a negotiation with your chef every time a supplier walks in.
The plan, room by room
This is the whole answer as a plan, and it is short enough to pin up where the manager who opens the restaurant will see it.
The SOSA plan
Where ambient fragrance is honest work in a premium restaurant, and where it is not
| The room | What to do |
|---|---|
|
Entrance, foyer and host desk
|
One source, set low, placed inward of the door and upstream of the air coming in. Usually one volume of air rather than two rooms, so it takes one machine and not one per space. |
|
Waiting lounge or a cocktail lounge before dining
|
Scented, and the most under-used room in the vertical. A lounge with its own door and its own air is a second volume, which is the only honest reason to buy a second machine. |
|
Corridors and the washroom lobby
|
Scented, and the half of the envelope nobody counts when they measure. A corridor is also where you check which way air is actually moving before committing to a position. |
 Washrooms
|
Yes, and the one room where a brighter citrus-mint is right, because it reads as cleaned. Small volume, so a reed or a small diffuser rather than anything large. |
|
Dining room, chef's table, tasting-menu room
|
Unscented, permanently. No machine, no reed, no scented candle on a table. The food is the composition in this room and there is no version of adding to it that improves it. |
|
The pass, the kitchen and any position that reaches a table
|
Unscented, and no machine mounted where its output can arrive at either. If that is the only mounting point your building offers, the honest answer is to scent nothing. |
If you want each of those lines with its reason attached and the two thresholds marked, that is which areas of a restaurant should be fragranced and which shouldn't, and it is the page I would send a chef rather than a purchasing manager. And if you suspect your building is one of the ones that should buy nothing at all - a single room, a rooftop, a chef's-table restaurant - read when a restaurant should avoid ambient fragrance completely before you take a quotation from anybody, including us. SOSA is independent and not affiliated with any hotel.
One arrival volume, one source, one written setting
SOSA Sukoon ₹1,899 covers roughly 270-320 sq ft, which is what a premium restaurant's foyer and host desk usually add up to once the dining room is subtracted.
I publish the list of four rooms because an unpublished list is a list somebody will try to extend, and the extension always points at the tables.
— Sonal Sahani, SOSA
Why the small machine is usually the right machine here
A foyer is one room, and one room does not need a thousand cubic metres
The SOSA restaurant specification
Three products cover almost every premium restaurant, and the choice between them is settled by the volume of the non-dining rooms rather than by the size of the restaurant. Cold-air refill oil for the Vaayu is not currently sold separately, so the 4 × 100ml supplied with it runs 90+ days a fill and any continuing supply should be confirmed with SOSA in writing before you plan around it. Made in India, and a portion of every order supports girl-child education through Nanhi Kali.
The SOSA restaurant specification
Four rooms, one register, and the machine chosen by the arrival volume
| Machine | Best for | Why it works | Price |
|---|---|---|---|
|
SOSA Mountain Breeze reed diffuser
|
One small foyer, or a washroom, under about 300 sq ft | Pine, sage and cedar, dry and unmistakably not food. Continuous, silent, unpowered and impossible to switch off, which is a feature in a washroom and occasionally a fault in a foyer | ₹849 View → |
|
SOSA Sukoon
|
A single arrival volume of roughly 300-750 sq ft | 270-320 sq ft of coverage with three 15ml fragrances included, quiet behind a host desk. At this size a Vaayu is the wrong buy and I will say so on the call | ₹1,899 View → |
 SOSA Vaayu
|
Foyer, lounge, corridor and washroom lobby as one connected volume | 1000m³, waterless, adjustable intensity, app timers on service hours, key-lock, under 38dB, and wall or HVAC mounting so output stays on the arrival side of the threshold | ₹11,999 View → |
Take the register from the fact that a kitchen is already working in this building, size the machine to the four non-dining rooms, and write the setting down so a host, a manager and a cleaner all leave it where you put it. Ambient scent in a restaurant is an ambience decision like lighting; it is never a mask for cooking, grease, frying, fish, smoke or a drain; and the dining room, the chef's table, any tasting-menu room and the pass stay unscented, with no machine placed anywhere its output can reach a table. I will not call any fragrance food-safe or safe for use around food, because SOSA has not tested for that and will not imply it, and anything sited near a food-preparation area is a decision for you, your kitchen consultant and your local authority - keeping the machine out of those areas entirely is how we sidestep the question rather than advise on it. Fragrance oil is flammable, so oil and machine are kept away from open flame and heat, which in a restaurant means table candles, flambé service, tandoors and ranges. 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 question people send me is whether a premium restaurant should use ambient fragrance at all, and the question underneath it is how much of their building I am going to want. So I answer that first, with a number: four rooms, and not one of them has a table in it. I have found that the moment an operator sees the list is closed and short, the conversation stops being defensive and starts being useful, because their chef can read it in twenty seconds and find nothing in it to fight.
What those four rooms give you is the one part of a guest's sensory experience that can be the same in March and in December. Your dining room's smell is not yours to hold steady; it changes with the menu, the hour and how hard the extraction is working, and it should change, because it is the food. Your foyer is different. It is bounded, it has no plate in it, and it can carry a dry, mineral, deliberately inedible register that reads as a clean building rather than as perfume. That is what I sell, and it is a small, unglamorous, durable thing.
On hardware I would rather undersell than oversell. One small foyer is a Mountain Breeze reed at ₹849. An arrival of 300 to 750 sq ft is a Sukoon at ₹1,899, and a Vaayu at that size would be the wrong buy. Once the foyer, lounge, corridor and washroom lobby are one volume of air it becomes a Vaayu at ₹11,999, and a large banqueting foyer becomes an Aangan at ₹25,999. If your room still carries last night, buy none of them yet. Made in India, and a portion of every order supports girl-child education through Nanhi Kali.
Frequently asked questions
Should a premium restaurant use ambient fragrance at all?
Yes, in four kinds of room: the entrance and foyer with the host desk, a waiting or cocktail lounge guests pass through before dining, the corridors and washroom lobby, and the washrooms. A banquet or private-event entrance counts too, and back-of-house staff corridors if you want them. Nothing else is on the list. The dining room, the chef's table, any tasting-menu room and the pass stay unscented, and no machine is placed anywhere its output can reach a table.
Why can the foyer be scented when the dining room cannot?
Because there is no plate in a foyer. Smell and taste run through the same nose: while a guest chews, aroma reaches the nose from inside, up the back of the throat, and much of what we call taste arrives that way. A room has one body of air, so anything you add above the tables is arriving with every mouthful, for as long as the guest is seated. A foyer has none of that, which is exactly what makes it the room a signature belongs in.
What fragrance direction is right for a restaurant arrival?
Dry and mineral, and deliberately not food. Cedar, pine and sage, something green or herbal, a dry tea, cool stone. It should read as a clean building rather than as perfume. Nothing gourmand anywhere in a restaurant: no vanilla, bakery, caramel, chocolate, honey, cinnamon, warm spice or coffee, because an edible fragrance at a restaurant door competes with your own menu and confuses a guest about what is actually cooking. Washrooms are the exception, and they take a citrus-mint.
How much should a premium restaurant spend on this?
Size the four non-dining rooms rather than the restaurant. Under about 750 sq ft of that envelope it is one Sukoon at Rs 1,899 or a Mountain Breeze reed at Rs 849, and a Vaayu would be the wrong buy at that size. One Vaayu at Rs 11,999 is right once foyer, lounge, corridor and washroom lobby behave as one connected volume of air. Bulk, GST, warranty, annual maintenance and installation terms are not published and should be confirmed in writing.
Will scenting the arrival do anything for the business?
SOSA does not publish a business-outcome number because it has not measured one. No covers, no table turns, no spend per head, no bookings, and any supplier who quotes you a figure for those is selling rather than measuring. The question worth answering is whether your arrival is consistent with the price of your food, and whether one named person will own the setting week to week. If your building has no separable non-dining volume, the honest answer is to buy nothing.
Four rooms yes, and the room with the tables in it no
SOSA — Clinic Scenting for fine-dining restaurants and restaurant groups
The SOSA Sukoon (₹1,899) covers roughly 270-320 sq ft and is the honest buy for the single arrival volume most premium restaurants have once the dining room is subtracted; one small foyer is a Mountain Breeze reed at ₹849, and a connected foyer, lounge, corridor and washroom lobby becomes a Vaayu at ₹11,999. Made in India, and a portion of every order supports girl-child education through Nanhi Kali. Send the floor plan with the dining room shaded out and we will tell you which rooms we would leave alone.
Ask for a restaurant scenting plan → SOSA Sukoon · ₹1,899
One more look at the Sukoon
Continue the read
More from SOSA
- SOSA Sukoon - the honest buy for one arrival volume once the dining room has been subtracted (₹1,899)
- Entrance scenting vs dining-room scenting: which makes more sense for fine dining?
- Can restaurants scent the entrance and washrooms while leaving dining areas neutral?
- 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.