★ SOSA for Fine-Dining Restaurants and Restaurant Groups
In an Indian fine-dining restaurant the first fragrance question is not which scent but whether the hood is winning at the tandoor mouth, because a plume that reaches the tables is a pressure problem no bottle can answer
★ ★ ★ ★ ★
★★★★★
"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
★★★★★
"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
★ The arrival machine, once the extraction has been settled and the arrival is genuinely its own volume
SOSA VaayuFoyer and waiting lounge - never the dining roomView ₹11,999
SOSA VaayuTimers on service hours, off for a private lunchView ₹11,999
SOSA VaayuKey-lock, because a dozen staff hands can reach itView ₹11,999
✓ Waterless cold-air nebulisation, so nothing is added to the air except fragrance - no water, no mist, no residue settling on surfaces in a building that already has grease to manage ✓ Adjustable intensity with 1h/4h/8h/24h timers and a key-lock, so a foyer level set for a Tuesday lunch is still that level at the end of a Saturday dinner ✓ Made in India · independent, not affiliated with any hotel · a portion funds girl-child education
Founder Diaries · Commercial Scenting Guides · Fine-Dining Restaurants
What makes this different from any other cuisine? Pressure. A charcoal tandoor and a wide tawa produce high-temperature, high-volume, strongly buoyant plumes, and a hood specified for a flat range often lacks the capture velocity and the front-edge depth to hold them. Add make-up air that replaces less than the exhaust removes and the kitchen starts borrowing air from the dining room, which reverses the direction you want. The plume then travels with your guests rather than up the duct, and fragrance in that room would simply be a second smell.
What does the fragrance part actually cost? Less than the restaurant's size suggests, because you size the non-dining envelope, not the restaurant. Take a 4,200 sq ft Indian fine-dining room: a 320 sq ft foyer, a 260 sq ft waiting lounge, 150 sq ft of corridor and a 110 sq ft washroom lobby is 840 sq ft of scentable air at about 3.2m, roughly 250m³, and 3,360 sq ft that stays untouched. Connected, that is one SOSA Vaayu at ₹11,999 running low. Under about 750 sq ft it is a Sukoon at ₹1,899.
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 Indian fine-dining operator who writes to me about fragrance describes an airflow problem in the first paragraph without noticing they have done it. They tell me the tandoor section is the reason people book, that the kebabs are honest work, and then they mention almost in passing that on a busy Friday the plume reaches table six. That last sentence is the real question in the letter, and nothing in my catalogue is the answer to it.
Quick answers — read this first
Should an Indian fine-dining restaurant use ambient fragrance? Yes, in the arrival, and no in the room where the food is served. Your dining room, chef's table and the pass stay unscented, because what a guest smells while they eat is part of how the dish reads to them and a tandoor menu is built on aroma that arrives with the plate. The foyer, waiting lounge, corridors and washrooms are a different volume of air with no plate in it, and that is where everything we sell belongs.What makes this different from any other cuisine? Pressure. A charcoal tandoor and a wide tawa produce high-temperature, high-volume, strongly buoyant plumes, and a hood specified for a flat range often lacks the capture velocity and the front-edge depth to hold them. Add make-up air that replaces less than the exhaust removes and the kitchen starts borrowing air from the dining room, which reverses the direction you want. The plume then travels with your guests rather than up the duct, and fragrance in that room would simply be a second smell.
What does the fragrance part actually cost? Less than the restaurant's size suggests, because you size the non-dining envelope, not the restaurant. Take a 4,200 sq ft Indian fine-dining room: a 320 sq ft foyer, a 260 sq ft waiting lounge, 150 sq ft of corridor and a 110 sq ft washroom lobby is 840 sq ft of scentable air at about 3.2m, roughly 250m³, and 3,360 sq ft that stays untouched. Connected, that is one SOSA Vaayu at ₹11,999 running low. Under about 750 sq ft it is a Sukoon at ₹1,899.
The short answer
Short answer: yes, but only in the arrival, and only after the extraction question is settled. The dining room, chef's table and pass stay unscented. The physical issue peculiar to a tandoor and tawa kitchen is pressure: whether the hood captures a hot buoyant plume at the source and whether make-up air keeps the kitchen negative to the dining room. Then a dry, deliberately non-edible arrival signature, sized to the non-dining envelope rather than the restaurant.
The pick: one SOSA Vaayu (₹11,999) in the arrival volume, mounted upstream of the incoming air and nowhere its output can reach a table, once foyer, lounge, corridor and washroom lobby are one connected envelope - or one SOSA Sukoon (₹1,899) where the arrival is a single room under about 750 sq ft.
Next step: send the floor plan with the tandoor section, the pass, the kitchen door and the foyer marked, and we will tell you which side of that door we would put a machine on and which rooms we would refuse - Ask for a restaurant scenting plan.
In this guide
The second line is the one that matters and the one nobody expects from a perfumer. If a hot plume is escaping the hood and travelling into the room, that is the job in front of you, and fragrance is a decision for afterwards.
The arrival machine - tap to see the specification
For a connected arrival envelope past about 750 sq ft
SOSA Vaayu ₹11,999
The diagnosis behind this whole page
Why does tandoor smoke travel into my dining area?
Get the zoning confirmed
Free restaurant scenting plan
Straight answer
Should an Indian fine-dining restaurant use ambient fragrance, and where?
Yes, in the arrival, and nowhere near a plate. But before that answer is worth anything, this cuisine hands you a physical question that most do not, and it is pressure. A charcoal tandoor is effectively a short vertical chimney: the air above the coals is very hot, it leaves the clay mouth fast, and it is strongly buoyant, which means it rises and spreads before a shallow hood can turn it. A wide tawa gives you the opposite geometry and the same trouble - a continuous low plume across a metre of griddle, difficult to hold with capture velocity concentrated in the middle of a canopy. Then the arithmetic that decides everything: if the kitchen extracts more air than the make-up supply replaces, the room has to borrow the difference, and it borrows it through the only opening available, which is the door to your dining room. That single fact reverses the direction you want. The kitchen should always sit slightly negative to the dining room so air moves from guests towards the kitchen and never the other way. You can check it in a minute with a strip of tissue held at the gap of the kitchen door during service: it should lean in. If it leans out, no fragrance decision you make is the one in front of you, and I would rather tell you that than sell you a machine. The order of work is the source, then cleaning, then extraction and air change, and only then fragrance in the arrival. Nothing we sell is ever a mask, and two smells in one airspace combine rather than cancel. Now the part worth your money. Your arrival is a separate volume, a separate question and the one place a signature is uncontested. The register has to be dry and unmistakably inedible: cedar, pine and sage, green and herbal, dry tea, cool stone. Warm spice is the specific trap here, and so is our own Fresh Brew at ₹849, which I rule out by name for an Indian restaurant - a cinnamon or a coffee note at your door reads as something coming out of your own kitchen, and the guest spends the walk to their chair looking for a dish that is not on your menu. Size the envelope, not the building: under about 750 sq ft one SOSA Sukoon at ₹1,899 and a Vaayu would be the wrong buy; once foyer, lounge, corridor and washroom lobby are one connected volume it is one SOSA Vaayu at ₹11,999, low and key-locked. The standing limits: this is an ambience decision like lighting, the dining room stays unscented, and your chef's judgement overrides this plan in their own room. Ask for a restaurant scenting plan and send the floor plan.
Settle the pressure first: the tandoor and tawa plume is hot and buoyant, and the kitchen must sit negative to the dining room. Then scent the arrival only, dry and never edible, sized to that envelope - ₹1,899 under about 750 sq ft, ₹11,999 for a connected foyer, lounge, corridor and washroom lobby.
For a connected Indian fine-dining arrival, the machine is one SOSA Vaayu - waterless, rated to 1000m³, under 38dB, with 1h/4h/8h/24h timers, adjustable intensity and a key-lock, wall or duct mounted so the output stays on the foyer side of the threshold. ₹11,999. Under about 750 sq ft of arrival, the Sukoon at ₹1,899 is the honest buy.
See the SOSA Vaayu ₹11,999 Ask for a restaurant scenting plan
The Indian fine-dining sequence
Capture at the tandoor first, make-up air second, fragrance last and only at the door
The machine, once pressure is settled
Two honest answers, chosen by the cubic volume of the non-dining areas and whether they form one connected volume or three small separate ones. The images link to the product pages so you can read the specification before ordering anything.
A connected foyer, lounge, corridor and washroom lobby
SOSA Vaayu
Waterless cold-air nebuliser rated to 1000m³, about 2,000-3,000 sq ft. 400ml tank running 90+ days a fill, Bluetooth app with 1h/4h/8h/24h timers, adjustable intensity, under 38dB, 5W, auto-stop and key-lock. Wall and HVAC mountable, which is the only dependable way to hold fragrance in a foyer and keep it out of a tandoor-lit dining room.
From ₹11,999
A single arrival room under about 750 sq ft - buy this instead
SOSA Sukoon
Ultrasonic cool-mist diffuser covering roughly 270-320 sq ft, supplied with three 15ml fragrances. For one foyer with the host desk inside it, this is the right buy, and a Vaayu at six times the money would sit at the very bottom of its range in a room that never needed it.
From ₹1,899
The three checks at the tandoor, in order
Three checks, and the first two have nothing to do with fragrance. Operators almost always begin at the third, which is why so many Indian restaurants own a diffuser and still have a plume in the room.
1
Check capture at the source
A hot plume leaves a tandoor faster than a shallow hood can turn it
Stand at the tandoor during service and watch the edge of the canopy, not the middle. A charcoal tandoor sends up a narrow, very hot, strongly buoyant column, and a canopy that is shallow at the front, set too high, or loaded with saturated baffle filters will let that column roll out along the underside and into the room. A tawa gives you a wide, low, continuous plume instead, which needs capture across the whole griddle rather than at one point. This is hood geometry, filter interval and duct condition. It is your kitchen consultant's work, not mine, and it comes first. The mechanism at length is in why tandoor smoke travels into the dining area.
Tip: Photograph the canopy's front edge and the filters at the end of a Saturday. That photograph is the diagnosis.
2
Check the direction of the air
The kitchen must be slightly negative to the dining room, every hour of service
Extraction without matching make-up air makes the kitchen pull from wherever it can, and the easiest supply in most buildings is the dining room through the pass or the service door. Hold a strip of tissue in the door gap at seven in the evening: it should lean into the kitchen. If it leans towards your guests, the plume is following the same path and a fragrance source in that room would be a second smell in air that already has one. Nothing in this plan removes, cancels or covers an odour, and we sell no extractor and no purifier. Fix the direction, then reconsider the arrival.
Tip: Do the tissue test twice - once at the start of service and once at full load. They are frequently different.
3
Then choose a register far from the plate
Dry, green and mineral, because anything warm reads as another dish
An Indian kitchen already owns cumin, clove, cardamom, charcoal and ghee, and those are the chef's materials. So the arrival register should be deliberately somewhere else: cedar, pine and sage, a dry green herbal, tea, cool stone. Our own Fresh Brew at ₹849 is exactly what to avoid here and I would rather rule it out than sell you one, for the same reason a cinnamon or a sweet amber at your door would be wrong - a guest cannot tell an ambient warm note from something on a passing tray, and the confusion is instant. It also has to read as pleasant to a guest walking back out at the end of a three-hour dinner, not just on the way in.
Tip: Set the level for the walk out, not the walk in. The first minute is always the loudest.
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 tandoor plume in your dining room is an arithmetic problem between your exhaust and your make-up air, and arithmetic is not something a fragrance can be added to.
Which is why the most useful thing I do for an Indian restaurant is hand back the tissue test rather than a bottle.
The plan, zone by zone
The whole answer as a plan, worth pinning where the manager who unlocks the restaurant in the morning will read it.
The SOSA plan
An Indian fine-dining restaurant, zone by zone
| The zone | What to do |
|---|---|
|
Tandoor section and the pass
|
Unscented, permanently, and no machine positioned anywhere its output could drift to either. This is where the capture and filter work happens instead. |
|
Dining room and chef's table
|
Unscented. The plate arrives with its own aroma and a guest's nose is doing two jobs at once while they eat. No machine, no reed, no scented table candle. |
|
Entrance and foyer
|
The signature lives here, low, on a service-hours timer, placed inward of the door and upstream of the air coming in. |
|
Waiting lounge
|
Scented where it is genuinely its own volume with its own door. Where it is simply the wide part of the foyer, it shares the foyer's single source. |
|
Corridors and washroom lobby
|
Scented, and the part of the envelope nobody counts. A corridor is also the best place to watch which way air is actually moving. |
 Washrooms
|
Yes, and the one room where a brighter citrus-mint earns its keep because it reads as cleaned. Small volume, so a reed or a Sukoon rather than a machine. |
If the plume is the live problem rather than the signature, work through exhaust, grease, HVAC, fabrics, drains or fragrance: what to fix first before you buy anything at all, because fragrance sits last on that list on purpose. And if you are weighing this against another cuisine's answer, whether cuisine determines if ambient fragrance makes sense is the page that puts all ten side by side and explains why the fragrance answer never actually changes. SOSA is independent and not affiliated with any hotel.
One register, one low level, one room
SOSA Vaayu ₹11,999 is rated to 1000m³, far more than an Indian restaurant's arrival envelope needs - which is precisely why it runs low instead of hard.
I have stood at a tandoor with an owner who wanted to talk about fragrance while a metre of hot air rolled out from under the front edge of his canopy, and the honest thing to do was point at the canopy.
— Sonal Sahani, SOSA
Why the unglamorous features matter here
Nothing wet in the air, a schedule on service hours, and a lock the whole team cannot override
The SOSA restaurant specification
Three products cover almost every Indian fine-dining building, and which one is right is decided by the size of the non-dining envelope rather than the size of the restaurant. Cold-air refill oil for the Vaayu is not currently sold separately, so the 4 × 100ml supplied runs 90+ days a fill and further 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
Dry register, low level, and the machine chosen by the arrival volume
| Machine | Best for | Why it works | Price |
|---|---|---|---|
|
SOSA Vaayu
|
Foyer, waiting lounge, corridor and washroom lobby as one connected volume | 1000m³ (about 2,000-3,000 sq ft), waterless, adjustable intensity, app timers, key-lock, under 38dB, wall or HVAC mountable so the output stays on the arrival side of the threshold | ₹11,999 View → |
|
SOSA Sukoon
|
One arrival room of roughly 300-750 sq ft | 270-320 sq ft coverage with three 15ml fragrances included. At this size a Vaayu would be the wrong buy and I will say so on a call | ₹1,899 View → |
|
SOSA Mountain Breeze reed diffuser
|
A single small foyer under about 300 sq ft, or a washroom | Pine, sage and cedar, dry and unmistakably not food. Continuous, silent and unpowered, with no off switch - a feature in a washroom, occasionally a fault in a foyer | ₹849 View → |
Settle the capture and the pressure first, then size to the non-dining envelope, then set the level for the guest walking back out at the end of a long dinner. Ambient scent here is an ambience decision like lighting; it is never a mask for tandoor smoke, frying, grease or a drain; and the dining room, the chef's table, any tasting-menu room 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 you, your kitchen consultant and your local authority rather than for me - keeping the machine out of those areas entirely is how we sidestep it. Fragrance oil is flammable, so oil and machine are kept away from open flame and heat, which in this building means the tandoor, the range, flambé service and table candles. 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
Indian fine-dining owners write to me about fragrance and then, three lines later, describe a plume reaching a table. I have learned to read the second sentence rather than the first. What they are really telling me is that the room is not holding, and that is a capture and make-up air question their kitchen consultant can answer properly and I cannot. I would rather say that in the first screen than take an order I do not believe in, and I have let a few go on exactly this point.
The other thing I want to say is about respect, because it gets lost in these conversations. A tandoor kitchen is not a smell to be managed. The aroma of a kebab coming off the skewer is the reason a guest booked, and a chef who has spent years on a marinade does not need a perfumer running an uninvited constant underneath it. So I do not sell into that room at all. What I do sell is the thirty seconds before it: the door, the host desk, the pause, the walk. Dry cedar and sage, tea, cool stone, nothing edible, nothing warm, nothing that could be mistaken for a dish. That arrival is the one part of the sensory experience you can hold identical on a wet Tuesday and a full Saturday, because it is the one part the kitchen is not rewriting hour by hour.
On hardware I would rather undersell. A single 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 the tissue still leans the wrong way, 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 an Indian fine-dining restaurant use ambient fragrance?
Yes, in the arrival, and never in the room where the food is served. The dining room, the chef's table and the pass stay unscented, because a tandoor menu is built on aroma that arrives with the plate and a guest's nose cannot separate the air over the dish from the air in the room. Entrance, foyer, waiting lounge, corridors and washrooms are a separate volume with no plate in them, and that is where an arrival signature belongs.
Why does the answer start with extraction rather than fragrance?
Because a charcoal tandoor and a wide tawa produce hot, buoyant, high-volume plumes, and capturing those at the source is a hood geometry and filter question. If the kitchen extracts more than the make-up supply replaces, it borrows air from the dining room and the plume travels the same way. Fragrance is never a mask, so adding it to that room would give you two smells rather than one. Fix capture and direction first, then scent the arrival.
What fragrance direction suits an Indian restaurant entrance?
Dry and deliberately inedible: cedar, pine and sage, green and herbal, a dry tea, cool mineral stone. Avoid anything warm or sweet, because an Indian kitchen already owns clove, cardamom, cumin and charcoal and a guest cannot tell an ambient warm note from something on a passing tray. I rule out our own Fresh Brew at Rs 849 by name for this reason, along with vanilla, bakery, caramel, chocolate, honey and cinnamon directions.
Which machine does a 4,000 sq ft Indian restaurant need?
Size the non-dining envelope, not the restaurant. A 320 sq ft foyer, a 260 sq ft lounge, 150 sq ft of corridor and a 110 sq ft washroom lobby is about 840 sq ft, roughly 250 cubic metres at 3.2 metres. Connected, that is one Vaayu at Rs 11,999 running low, with a 400ml tank lasting 90 or more days a fill. Under about 750 square feet of arrival it is a Sukoon at Rs 1,899, and a Vaayu would be the wrong buy.
Is a scent machine safe to install near a tandoor kitchen?
SOSA does not place machines in or near food-preparation areas at all, which sidesteps the question rather than answering it. I will not call any fragrance food-safe or safe for use around food, because we have not tested for that. Whether anything may be sited near your kitchen is a question for you, your kitchen consultant and your local authority. Fragrance oil is flammable, so both oil and machine stay away from open flame and heat, including the tandoor and the range.
Settle the pressure, then scent the door
SOSA — Clinic Scenting for Indian fine-dining restaurants and tandoor kitchens
The SOSA Vaayu (₹11,999) covers up to 1000m³, about 2,000-3,000 sq ft, and belongs in the arrival volume with its output nowhere near a table; under about 750 sq ft of non-dining envelope the honest answer is a Sukoon at ₹1,899 or a Mountain Breeze reed at ₹849, and a large banqueting foyer becomes an Aangan at ₹25,999. Waterless, under 38dB, key-locked, 90+ days a fill, made in India, and a portion of every order supports girl-child education through Nanhi Kali. Send the floor plan with the tandoor section and the kitchen door marked.
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 arrival machine for an Indian fine-dining restaurant whose non-dining areas are one connected volume (₹11,999)
- Modern Indian, tandoor and spice as the experience: enhance or compete?
- What should a fine-dining restaurant smell like?
- 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.