★ SOSA for Fine-Dining Restaurants and Restaurant Groups
A 1,500 sq ft restaurant is routinely 200 sq ft of scentable air, which is about 56 cubic metres - so this is a ₹1,899 building and not an ₹11,999 one
★ ★ ★ ★ ★
★★★★★
"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
★★★★★
"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 machine for a 1,500 sq ft restaurant with a real foyer in it
SOSA SukoonA 150 sq ft foyer is about 42 cubic metresView ₹1,899SOSA SukoonThree 15ml scents in the box, dry and not foodView ₹1,899SOSA SukoonA reed for each washroom behind its own doorView ₹1,899
✓ Coverage stated honestly at roughly 270-320 sq ft, which is about the size of the only volume in a 1,500 sq ft restaurant that may be scented at all ✓ Supplied with three 15ml fragrances so you can set the register before you commit to a consumable, at ₹1,899 rather than ₹11,999 ✓ Made in India · independent, not affiliated with any hotel · a portion funds girl-child education
Founder Diaries · Commercial Scenting Guides · Fine-Dining Restaurants
Show me the subtraction on a real plan. Of 1,500 sq ft, allow 350 for the kitchen, wash-up and stores and 950 for the dining room. Both are permanently unscented. That leaves about 200 sq ft: a 150 sq ft foyer and a 50 sq ft corridor to the washrooms, plus two washrooms of about 40 sq ft each behind their own doors. So 1,500 sq ft of restaurant is 200 sq ft of scentable air, roughly 56 cubic metres, with 1,300 sq ft that must stay untouched because that is where people eat.
What does the honest plan cost? One Sukoon at ₹1,899 in the foyer, plus one Mountain Breeze reed at ₹849 in each washroom if they sit behind their own doors with their own extract. Total ₹3,597 for a three-source plan. Against 56 cubic metres of foyer air, the Vaayu is rated to 1000m³, so a Vaayu would be the wrong buy and I will say so on a call.
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 in the title has a yes and a no inside it, and the no is about the machine class rather than about fragrance. Yes, a 1,500 sq ft restaurant often has a foyer worth scenting, which a 1,000 sq ft one usually does not. No, that foyer is nowhere near large enough to justify the machine most suppliers will quote you, and the arithmetic that proves it takes one line.
Quick answers — read this first
Does a 1,500 sq ft fine-dining restaurant need a scent machine? Often yes, and almost never the machine you were shown. At this size a real foyer usually appears for the first time - a proper arrival volume with a host desk in it, a door and a return wall - and that is worth a source. But it is a small volume. A 150 sq ft foyer at a 3m ceiling is about 42 cubic metres, and a SOSA Sukoon at ₹1,899 covers 270 to 320 sq ft. That is the right class of machine for this building.Show me the subtraction on a real plan. Of 1,500 sq ft, allow 350 for the kitchen, wash-up and stores and 950 for the dining room. Both are permanently unscented. That leaves about 200 sq ft: a 150 sq ft foyer and a 50 sq ft corridor to the washrooms, plus two washrooms of about 40 sq ft each behind their own doors. So 1,500 sq ft of restaurant is 200 sq ft of scentable air, roughly 56 cubic metres, with 1,300 sq ft that must stay untouched because that is where people eat.
What does the honest plan cost? One Sukoon at ₹1,899 in the foyer, plus one Mountain Breeze reed at ₹849 in each washroom if they sit behind their own doors with their own extract. Total ₹3,597 for a three-source plan. Against 56 cubic metres of foyer air, the Vaayu is rated to 1000m³, so a Vaayu would be the wrong buy and I will say so on a call.
The short answer
Short answer: probably yes to a source, and probably not to a Vaayu. Subtract the kitchen and the dining room and a 1,500 sq ft restaurant is usually about 200 sq ft of scentable air, or roughly 56 cubic metres: a 150 sq ft foyer and a short corridor. That is one Sukoon at ₹1,899, with an ₹849 reed in each washroom that sits behind its own door. A Vaayu would be the wrong buy at this size, and the dining room stays unscented.
The pick: one SOSA Sukoon (₹1,899) in the foyer, set low, placed inward of the door and away from any line of air running towards the tables - plus one Mountain Breeze reed (₹849) per washroom. Total ₹3,597.
Next step: send the foyer's length, width and ceiling height along with the plan, and we will convert it to cubic metres and tell you whether it is a Sukoon volume, a reed volume or not a volume at all - Ask for a restaurant scenting plan.
In this guide
The whole decision at this size is a subtraction followed by a multiplication: take out everything a guest eats in, then turn what is left into cubic metres. The answer has never once come out at 1000.
The machine class for a 1,500 sq ft restaurant - tap for the specification
For one foyer volume of roughly 270-320 sq ft
SOSA Sukoon ₹1,899
Where this plan goes if the building is smaller
How should a 1,000 sq ft restaurant approach ambient fragrance?
Get the zoning confirmed
Free restaurant scenting plan
Straight answer
Does a 1,500 sq ft fine-dining restaurant actually need a scent machine?
Probably one, and probably not the class of machine you were quoted. Let me do the subtraction out loud, because it is the whole answer. Of 1,500 sq ft, the kitchen, wash-up and dry store take something like 350 and the dining room takes about 950. Both of those are permanently unscented - the dish on the plate is the composition your guest paid for, smell and taste share the same air and the same nose, and nothing is added to a room where people are eating. So 1,300 sq ft comes off the plan immediately. What is usually left is a foyer of about 150 sq ft with the host desk in it, a corridor of about 50 sq ft leading to the washrooms, and two washrooms of roughly 40 sq ft each sitting behind their own doors. That is 200 sq ft of connected scentable air. Now convert it, because floor area tells you nothing about what a machine has to fill: 200 sq ft is about 18.6 square metres, and at a 3m ceiling that is roughly 56 cubic metres. Hold that against the SOSA Vaayu, which is rated to 1000m³. You would be buying eighteen times the capacity you have, and a Vaayu would be the wrong buy at this size - I would rather write that plainly than let you find out after the invoice. The honest buy is one SOSA Sukoon at ₹1,899, which covers roughly 270 to 320 sq ft and arrives with three 15ml fragrances, standing low and inward of the door in the foyer. Then treat the washrooms as what they are: two separate volumes of air behind two doors, each with its own extract, each taking one Mountain Breeze reed at ₹849. Total ₹3,597. One caution that matters more than the machine: if the foyer has no door and no return wall, or if a tissue held at the threshold drifts towards the seating, then the foyer is not a separate volume and the source does not go in it at all. No machine goes anywhere its output can reach a table, and where the only available position does, the honest answer is to scent the washrooms and nothing else. The standing limits: 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's judgement overrides this plan in their own room. Ask for a restaurant scenting plan and send the floor plan.
Subtract the kitchen and the dining room and a 1,500 sq ft restaurant is about 200 sq ft of scentable air, roughly 56 cubic metres. One Sukoon at ₹1,899 in the foyer and an ₹849 reed in each washroom, total ₹3,597. A Vaayu is rated to 1000m³ and would be the wrong buy here.
The machine is one SOSA Sukoon - ultrasonic cool mist, roughly 270-320 sq ft of coverage, supplied with three 15ml fragrances, standing low and inward of the foyer door. ₹1,899. Add a ₹849 Mountain Breeze reed for each washroom behind its own door. A Vaayu at ₹11,999 would be the wrong buy against 56 cubic metres.
See the SOSA Sukoon ₹1,899 Ask for a restaurant scenting plan
The subtraction, on a 1,500 sq ft plan
Thirteen hundred square feet leave the plan before you shop
The machine, and the bottle beside it
One machine for the foyer volume and one bottle for each washroom volume, which is what a three-zone building of this size honestly needs. The images link to the product pages so you can read the specification before ordering.
The foyer machine at this size
SOSA Sukoon
Ultrasonic cool-mist diffuser covering roughly 270 to 320 sq ft, supplied with three 15ml fragrances, ₹1,899. For a single foyer volume of about 150 sq ft with a host desk in it, this is the correct class of machine, and it leaves headroom for a foyer twice that size without ever running hard.
From ₹1,899
One per washroom, behind its own door
SOSA Mountain Breeze reed
Pine, sage and cedar on an alcohol-free, phthalate-free base with six fibre reeds. 50ml ₹849 runs 6 to 8 weeks, 130ml ₹1,349 runs 14 to 18. Unpowered, silent and impossible to switch off, which in a washroom nobody supervises is a feature. Reach is set by exposed fibre surface, so one bottle per room rather than three in a row.
From ₹849
The three measurements that decide this
Three measurements, taken with a tape and a strip of tissue, decide whether this building gets a machine, a bottle or nothing. None of them is the number on your lease.
1
Measure the foyer in cubic metres
Floor area is the wrong unit for a volume of air
Multiply the foyer's length by its width in metres, then by the ceiling height. A 150 sq ft foyer is about 13.9 square metres, and at 3m that is roughly 42 cubic metres. Add the corridor if the air runs continuously into it: 50 sq ft is 4.6 square metres, or about 14 cubic metres, which brings you to 56. If your foyer is double height at 6m, the same footprint becomes 84 cubic metres and the number climbs fast without a single extra square foot of floor. That is the figure to shop against, and at this size it will point at a Sukoon every time.
Tip: Write the cubic figure at the top of the enquiry before anybody quotes you a machine.
2
Test whether the foyer is a separate volume
A foyer with no door and no return wall is dining-room air
Shut the front door and hold a strip of tissue at chest height on the threshold between the foyer and the seating. If it drifts steadily towards the tables, the foyer feeds the dining room and no source goes in it, because no machine is ever placed where its output can reach a table. If it hangs, you have a genuine boundary and the foyer is yours to work with. In a 1,500 sq ft restaurant this is a close call about half the time, and when it fails, the honest plan shrinks to a bottle in each washroom. Anything sited near a food-preparation area is a question for you, your kitchen consultant and your local authority.
Tip: Do the tissue test twice - once with the kitchen extract off and once at full service, because the answer changes.
3
Count the washrooms as volumes, not corners
A second source belongs to a second body of air
Two washrooms behind two doors, each with its own extract fan, are two volumes of air and take two bottles. Two corners of the same foyer are one volume and take one source, no matter how large the foyer feels when you stand in it. This is the rule that keeps plans honest at every size in this family: a second machine belongs to another floor, a banqueting foyer with its own air handling, or a washroom lobby off a different corridor. It never belongs at the other end of a room you have already scented, and adding one there gives you two sources fighting over the same 56 cubic metres.
The SOSA principle
A 1,500 sq ft restaurant is the first size at which a genuine foyer appears, and the last size at which anyone should mistake that foyer for a reason to buy a thousand cubic metres of machine.
Two hundred square feet of arrival air is a real scenting job, and it costs one thousand eight hundred and ninety-nine rupees.
The plan, zone by zone
Here is the whole plan for a 1,500 sq ft restaurant, worth printing and pinning where the manager who unlocks in the morning will see it.
The SOSA plan
A 1,500 sq ft restaurant, zone by zone, after the subtraction
| The zone | What to do |
|---|---|
|
Foyer and host desk, about 150 sq ft or 42m³
|
One Sukoon at ₹1,899, set low, standing inward of the door and away from the line of air running towards the seating. Same air as the host desk, so no second source there. |
|
Corridor to the washrooms, about 50 sq ft
|
Part of the foyer volume if the air runs continuously, which takes the envelope to about 56 cubic metres. No source of its own, and the place to hold the tissue. |
|
Two washrooms, about 40 sq ft each
|
One Mountain Breeze reed each at ₹849. Two doors and two extract fans means two volumes of air, which is the only honest reason to buy a second source. |
|
Dining room, about 950 sq ft
|
Permanently unscented. No machine, no reed, no scented candle on the table, no exceptions and no subtle base note underneath. The food is the fragrance here. |
|
Kitchen, wash-up and stores, about 350 sq ft
|
Unscented, and no source positioned anywhere its output can reach the pass or a preparation surface. |
|
If the foyer fails the tissue test
|
Scent the washrooms only, and nothing else. A foyer that feeds the dining room is dining-room air whatever the drawing calls it. |
If the foyer in your building turns out not to be a separate volume at all, the boundary-finding method is set out properly in whether you can scent the entrance without fragrancing the dining area, which is an air-path problem rather than a dosage one. And if your restaurant is a single room with a washroom off it rather than a foyer-and-dining-room building, the smaller version of this arithmetic is in how a 1,000 sq ft restaurant should approach ambient fragrance, where the honest answer is one bottle. SOSA is independent and not affiliated with any hotel.
One foyer volume, one machine, one low setting
SOSA Sukoon ₹1,899 covers roughly 270-320 sq ft, which is more than a 1,500 sq ft restaurant's entire arrival envelope.
The most common mistake at this size is not choosing the wrong fragrance, it is buying a machine rated for a hotel lobby and then wondering why the foyer of a small restaurant feels like a perfume counter.
— Sonal Sahani, SOSA
Why the smaller machine is the right machine here
Fifty-six cubic metres does not need a thousand
The SOSA specification at this size
Two lines of our range cover almost every 1,500 sq ft restaurant, and which one you need is decided by the cubic volume of the arrival rather than by the size of the restaurant. The Vaayu is on the ladder above this and it earns its place once foyer, lounge, corridor and washroom lobby form one connected envelope of a different order of size. Made in India, and a portion of every order supports girl-child education through Nanhi Kali.
The SOSA restaurant specification
Chosen by the cubic volume of the arrival, not the area of the lease
| Machine | Best for | Why it works | Price |
|---|---|---|---|
|
SOSA Sukoon
|
One foyer volume of roughly 300-750 sq ft, or about 42-64m³ at 3m | 270 to 320 sq ft of coverage with three 15ml fragrances included, ₹1,899. The correct class of machine for a 1,500 sq ft restaurant's arrival, with headroom so it never has to run hard | ₹1,899 View → |
|
SOSA Mountain Breeze reed diffuser
|
Each washroom behind its own door, under about 80 sq ft | Pine, sage and cedar, dry and deliberately not food. 50ml ₹849 for 6 to 8 weeks, 130ml ₹1,349 for 14 to 18. Unpowered and never off, which is what an unsupervised room wants | ₹849 View → |
 SOSA Vaayu
|
Not this building - a connected non-dining envelope past about 1,500 sq ft | 1000m³, waterless, app timers, key-lock, under 38dB, wall or HVAC mountable. Listed here so you can see the gap: against 56 cubic metres of foyer air it would be the wrong buy | ₹11,999 View → |
Size to the non-dining envelope and not to the restaurant, convert it to cubic metres before you shop, and test whether the foyer is a separate body of air before you put anything in it. Ambient scent here is an ambience decision like lighting; it is never a mask for cooking, grease, fish, smoke or a drain; and the dining room, the pass and the kitchen stay unscented, with no source 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, so oil and machine stay away from open flame and heat - table candles, flambé service, tandoors and ranges. And plainly: SOSA does not publish a business-outcome number because it has not measured one - no covers, no table turns, no spend per head. Ask for a restaurant scenting plan before you spend anything.
SS
ISIPCA
Versailles
Versailles
A note from Sonal
What people ask me at this size is whether they need a machine, and what they mean is whether they need the machine a supplier has already shown them. Those are different questions. A 1,500 sq ft restaurant is genuinely the first size where a foyer exists as a room rather than as a doormat, so yes, there is usually something here worth doing. But the foyer is 150 square feet, not 1,500, and the machine has to be chosen against the foyer.
So I do the subtraction in front of people, on the phone, with a calculator. Kitchen and stores off. Dining room off. What is left is a foyer, a short corridor and two washrooms, and the foyer and corridor together come to something like fifty-six cubic metres. A Sukoon covers two to three hundred square feet, which is already more than that volume asks for, and it arrives with three small bottles so you can decide on the register before you commit to buying a consumable. The washrooms are separate rooms behind separate doors with their own extract, so they get their own bottles rather than sharing the foyer's machine, which could not reach them anyway.
On hardware: a foyer of 300 to 750 sq ft is a Sukoon at ₹1,899, each washroom is a Mountain Breeze reed at ₹849, and the Vaayu at ₹11,999 waits for a building whose foyer, lounge, corridor and washroom lobby are one connected envelope. Nothing edible at the door in any of these plans, and if the room still smells of 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
Does a 1,500 sq ft fine-dining restaurant need a scent machine?
Usually one small one, in the foyer. Subtract the kitchen and stores at about 350 sq ft and the dining room at about 950, both permanently unscented, and the scentable envelope is often a 150 sq ft foyer with a 50 sq ft corridor: 200 sq ft, or roughly 56 cubic metres at a 3m ceiling. That is a Sukoon at Rs 1,899, plus a Rs 849 reed in each washroom that sits behind its own door.
Why not a Vaayu, since it would cover the whole restaurant?
Because you are not scenting the whole restaurant, and you never will be. The dining room and the kitchen stay unscented, so the Vaayu's 1000 cubic metre rating would be aimed at about 56 cubic metres of foyer and corridor air. At this size a Vaayu would be the wrong buy. It earns its place once a foyer, lounge, corridor and washroom lobby form one connected envelope, or where there is an air path to mount into that cannot reach the dining room.
How do I know whether my foyer counts as a separate volume?
Shut the front door and hold a strip of tissue at chest height on the line between the foyer and the seating. If it drifts steadily towards the tables, the foyer feeds the dining room and no source goes in it. If it hangs still, you have a real boundary. Do it twice, once with the kitchen extract off and once during service, because a kitchen extract pulling make-up air through the building can reverse the answer.
Should the washrooms share the foyer machine?
No, for two reasons. A washroom is a separate volume of air behind a door with its own extract fan, so foyer fragrance cannot reach it in any useful quantity, and if it did you would have an extraction problem rather than a fragrance plan. Each washroom takes its own source: one Mountain Breeze reed at Rs 849 for 50ml, or Rs 1,349 for 130ml. A second source always belongs to a second body of air, never to a second corner of one room.
What should a 1,500 sq ft restaurant's foyer smell like?
Of a clean building rather than of perfume, and unmistakably not of food. Dry woods, cedar, pine and sage, something green or herbal, a dry tea, cool mineral stone. Nothing gourmand anywhere: no vanilla, bakery, caramel, chocolate, honey, cinnamon, warm spice or coffee, because an edible note at the door competes with your menu and sends a guest looking for a dish you do not serve. Set the level for somebody walking back out three hours later.
Subtract, convert to cubic metres, then buy
SOSA — Clinic Scenting for fine-dining restaurants and restaurant groups
At 1,500 sq ft the honest plan is one SOSA Sukoon at ₹1,899 in a foyer of about 42 to 56 cubic metres, plus one Mountain Breeze reed at ₹849 in each washroom behind its own door - total ₹3,597 - with the dining room, the pass and the kitchen permanently unscented. The Vaayu at ₹11,999 is rated to 1000m³ and belongs in a building with a connected arrival envelope. Made in India, and a portion of every order supports girl-child education through Nanhi Kali. Send the plan with the foyer's ceiling height and we will do the arithmetic with you.
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 ₹1,899 machine that matches a 1,500 sq ft restaurant's actual arrival volume (₹1,899)
- How should a 2,500 sq ft premium restaurant approach scent zoning?
- When should a restaurant avoid ambient fragrance completely?
- 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.