Let me put the governing fact in front of the rules rather than after them, because it changes what placement can be expected to do. A large vehicle door is an enormous aperture, and opening it is a continuous air exchange. A coverage rating - any manufacturer's, including SOSA's published approximately 1000 cubic metres for the Vaayu at ₹11,999 - assumes one connected body of air: a volume that is joined together and that stays put long enough to be scented. A showroom with a vehicle door in use is not holding one. It is a volume being refreshed from outside, repeatedly, all day. Placement is a real discipline and it genuinely matters, but no position in a room can make a coverage figure apply to a volume that is being exchanged. That is a fact about the building rather than a fault in the machine.
So this page does two things. It gives you the placement rules with the reason attached to each one, because those rules are correct wherever you put a unit and most installations get at least two of them wrong. And then it tells you the conclusion the rules lead to, which suppliers rarely put in writing: the best placement for your machine is usually reception or the handover lounge, not the showroom floor. Those are rooms with ordinary doors on them, they are well inside one machine's published figure, and they are where customers actually sit.
One thing I will never write, in this phrasing or any softer one. Never reduce ventilation, restrict an opening, close a vent or alter a building's air handling so that a fragrance lasts longer. That sentence gets written in my industry in gentler wording constantly and it is the most harmful advice in commercial scenting. Air exchange is doing a job in your building and fragrance is the least important thing in the room next to it. Every rule below moves the unit. Not one of them moves the air. The people responsible for your building's air decide how it is ventilated, and their decision overrides every recommendation here.
And the standing limits. No claim is made about a vehicle - not its interior, not its finish, not what it smells of, not how it is protected - and nothing is ever put into one; the air in your rooms is the subject and your stock is not. Fragrance adds a smell and has never once removed one, so no SOSA product treats, filters, dries, dehumidifies or purifies air, and any smell you do not want is a source question, then a ventilation question, then a cleaning question, with fragrance fourth. Work bays, wash bays and parts areas are never scented. And I will not tell you that a scent sells anything: no enquiries, no test drives, no deposits, no referrals, no transaction value. The honest ceiling is improved evaluations of a space and its service, longer dwell and stronger recall of a space, at moderate effect sizes.
Can placement fix a showroom that has a vehicle door open all day? No, and it is worth being plain about that before you spend time on positions. A coverage rating assumes one connected body of air. A large vehicle door in use is a continuous air exchange, so the floor is a volume being refreshed from outside rather than one being held, and no position within it changes that. Do the arithmetic too: a floor of 5,000 sq ft at a 16 ft ceiling is 80,000 cubic feet, and 80,000 divided by 35.3 is about 2,266 cubic metres, already more than twice a single machine's published approximately 1000 m3 before the door is opened once. Placement is a genuine discipline and it improves any installation, but it cannot make a figure apply to a volume that is being exchanged. The only thing that would is moving less air, and that is advice this page will never give.
So where does the machine actually go? In the rooms with ordinary doors on them. Reception at 600 sq ft and a 12 ft ceiling is 7,200 cubic feet, about 204 cubic metres. A handover lounge at 300 sq ft and 10 ft is 3,000 cubic feet, about 85 cubic metres. A consultation cabin at 100 sq ft and 9 ft is 900 cubic feet, about 25 cubic metres. Each of those is well inside the Vaayu's published approximately 1000 cubic metres of connected air, each has a door that ends one volume and begins another, and each is a room where a customer actually sits for a while. That is the honest conclusion of a placement page: the best position is frequently not in the showroom at all. Inside those rooms, the same rules apply - out of the airstreams, out of the dead corner, low and inward, near a socket.
Then rule out the dead corner, which is the opposite mistake and just as common. Having learned to avoid moving air, people put the unit in the stillest spot they can find - behind a display, in a recess, in the far corner past the last vehicle. A pocket with no air movement at all is not a good position either, because nothing carries the output out of that pocket and into the room. The result is a small zone near the machine where it is obvious and a floor where nothing is detectable, which is the worst of both outcomes and the one that generates the complaint "we bought a machine and it does nothing, except right there". You want gentle air movement, not a stream and not a dead pocket.
Then go low and inward, and this is the rule most installations break. A showroom is a tall room, and the instinct is to mount high because high is out of the way and looks tidy. But your customers occupy roughly the bottom six feet of it, and every foot above that is volume you are paying to fill for nobody. Do it in numbers: a floor of 5,000 sq ft at a 16 ft ceiling is 80,000 cubic feet, about 2,266 cubic metres - but the same 5,000 sq ft at the six feet people actually occupy is 30,000 cubic feet, about 850 cubic metres. In a 16 ft showroom, well over half the volume is above everybody's head. That is the arithmetic case for low and inward: place at roughly the height of a standing person rather than at the height of a light fitting, and place inward from the perimeter rather than against the wall furthest from anybody, so the bottom six feet is where the output is released rather than where it eventually settles.
Then the socket, which is a real constraint and not an afterthought. The Vaayu is DC 12V / 1A, 5W and mains powered: it needs a live socket. It is published as freestanding, since it lays flat, or wall and HVAC mountable. In practice that means the ideal position determined by the four rules above is only usable if there is power at it, and the commonest compromise in the whole of commercial scenting is a unit placed near the only free socket rather than at the right position. If you are mid fit-out, put the socket on the drawing at the position you have chosen - it costs almost nothing while the drawings are open and means a chased wall or a trailing cable afterwards. If the building is finished, this is the point at which you decide whether to move power to the position or accept a worse position, and the answer is usually to move the power.
And then the conclusion the rules actually lead to, which I would rather write than have you discover after buying. Apply all five to a showroom floor with a vehicle door in it and you will find there is no good position - only positions that are less bad - because the problem is not where the unit stands, it is that the volume is being exchanged with outside air all day and is more than twice the published figure in the first place. So the honest answer to "where should the Vaayu go" is frequently a different room: reception at about 204 cubic metres, the handover lounge at about 85, a consultation cabin at about 25, each with a door that ends one volume and begins another, each well inside one machine's published approximately 1000 cubic metres of connected air, and each a place where a customer is actually sitting still for a while. Inside those rooms, apply exactly the same five rules. A portion of every SOSA order supports girl-child education through Nanhi Kali.
If you do one thing this week, do this, and it takes twenty minutes and a plan of the building. Print the floor plan and mark four things on it in different colours. One: the vehicle door or doors, with an arrow showing the path air takes when they open. Two: the customer entrance, the same way. Three: every supply grille in the ceiling or wall - the ones that blow air into the room rather than the ones that draw it out. Four: every live socket. Now shade out everything within the airstreams, shade out the corners nothing ever reaches, and look at what is left in the bottom six feet with power at it. In most showrooms what is left is a very small set of positions, and in a good number of showrooms it is none.
That is not a failed exercise. That is the exercise telling you the answer, and the answer is that the room next door is the room to scent.
Now the part about your own nose and your team's, because it decides whether any placement gets judged correctly. You and your sales staff are in that building eight to ten hours a day, and by the second hour of any morning none of you can report the air to anybody. That is ordinary adaptation rather than carelessness. It means two things. You will tend to set the level too high, because you cannot smell what a visitor smells - and after a placement change, you are the worst possible judge of whether the change worked. Use somebody who has been outside for at least ten minutes, ask an open question rather than "can you smell it now?", and walk them to three points in the room rather than one. Staff are also the most exposed people in the building, so the standing arrangement is that anyone can switch a named unit off without asking a manager, and a reported reaction is a recalibration signal rather than a tolerance problem. No health or allergy claim is made in either direction.
A note on trying to solve this with more machines, because it is the next question everybody asks. Machine count does not solve an air-exchange problem, it only spends more on it. Extra output into a volume that keeps being replaced gives you either nothing detectable across most of the floor or an obvious too-much zone near each unit, and often both at once in different places. The variable that would change the outcome is air movement, and you must never reduce ventilation, restrict an opening or alter a building's air handling so a fragrance lasts longer - not in a 39 degree dry May, not in a wet August, not on a foggy January morning, not in any phrasing at all.
And the seasonal point, which in this city is a real variable rather than a decorative paragraph. Every time that vehicle door opens, the room takes on whatever is outside: hot dry air in April and May, when the mean daily maximum in May runs near 39.9 degrees C and the year's humidity trough falls in the hottest months; wet air in July and August; and cool damp air from late November to February, when January days reach only about 21.4 degrees C and fog is common through December and January. Three different bodies of air, one opening, one year. Three written settings for the rooms you can hold. Never three registers, and never less air.
Three airstreams, one dead corner and six feet of height - the placement rules and the reasons behind them
Placement is decided by three things: where air is already moving, how high the useful part of the room is, and where there is power. Get those three right and any installation improves. Get them right in a showroom with a vehicle door and you have a well-placed unit in a room that still cannot hold a level, which is why the last section of this page is about choosing a different room.
Do the arithmetic by hand with a stated ceiling height, because a showroom is the room where people guess most and guess worst. Floor, 5,000 sq ft at 16 ft: 5,000 multiplied by 16 is 80,000 cubic feet; divided by 35.3 that is about 2,266 cubic metres. A smaller floor, 3,000 sq ft at 14 ft: 42,000 cubic feet, about 1,190 cubic metres - still past a single machine's published figure. Now the number that makes the height argument concrete. The same 5,000 sq ft floor, counted only to six feet, the part of the room a standing customer actually occupies: 5,000 multiplied by 6 is 30,000 cubic feet, about 850 cubic metres. So in a 16 ft showroom, roughly 850 of about 2,266 cubic metres is the part anybody is in, and the remaining 1,400-odd cubic metres is above everyone's head. That single comparison is the whole argument for placing low and inward rather than high: mounting at ceiling level starts the output in the part of the volume nobody occupies.
Against those, the rooms that work. Reception, 600 sq ft at 12 ft: 7,200 cubic feet, about 204 cubic metres. Handover lounge, 300 sq ft at 10 ft: 3,000 cubic feet, about 85 cubic metres. Consultation cabin, 100 sq ft at 9 ft: 900 cubic feet, about 25 cubic metres. The SOSA Vaayu at ₹11,999 is published for approximately 1000 cubic metres of connected air, with SOSA's own copy also stating 2,000 to 3,000 sq ft scented evenly. Reception is about a fifth of that. The lounge is under a tenth. The cabin is about one fortieth.
Then the word that settles it: connected. A coverage rating assumes one connected body of air, and scent does not travel through a closed door. That is why the three rooms above are tractable - each has a door, and a door that genuinely stays shut ends one volume and begins another. It is also why the floor is not: a vehicle door is an enormous aperture and using it is a continuous air exchange, so the floor is being refreshed from outside rather than held. That is a fact about the building, not a fault in the machine, and the correct response is to choose a different room rather than a bigger number or a cleverer position.
Two practical notes before the rules. First, the Vaayu is published as freestanding, since it lays flat, or wall and HVAC mountable, and as DC 12V / 1A, 5W and mains powered, so it needs a live socket wherever it goes - which makes power a siting constraint on the same footing as the airstreams. Second, if a smell is reaching customer areas from a work bay, a wash bay or a parts store, no placement solves it: fragrance adds scent and does not remove it, no SOSA product treats, filters, dries, dehumidifies or purifies air, and the order is source, then ventilation, then cleaning, then fragrance. Work areas themselves are never scented.
Out of the vehicle-door airstream. When a large aperture opens, air moves along a path between it and the interior, and anything released into that path travels with it. A unit placed in that run is spending its output on the outdoors. This is the largest airstream in the building by a wide margin, and it is intermittent rather than constant, which makes it worse rather than better: the room seems to behave one way and then suddenly does not. Mark the path on a plan and treat the whole of it as unavailable.
Out of the customer-entrance airstream. The same mechanism at smaller scale, with a second reason attached. A doorway is the one place in a building where a level genuinely cannot be held, because it is a boundary rather than a volume. Units get placed at entrances because owners want the first impression to be strong, and the consequence is predictable: the entrance still does not hold a level, so the unit gets turned up, and now the rest of the room is too much while the doorway is unchanged. Place inward and let the threshold be a threshold.
Out of a supply airstream. A supply is where your building blows air into a room, as opposed to where it draws air out. Placing a unit right at one looks like free distribution and is the most sophisticated-seeming mistake on the list. In practice the output is carried away and thinned - it joins a moving stream of air, gets diluted into it and is delivered somewhere other than where a person is standing, usually at a level too low to register anywhere. Note carefully what the rule does and does not say: it says move the unit. It never says change the supply, close a vent or alter the air handling, and this page will not say that in any phrasing.
And not in a dead corner. The overcorrection. Having learned to avoid moving air, people choose the stillest available pocket - behind a display, in a recess, past the last vehicle, under a stair. Nothing carries output out of a pocket like that, so you get a small intense zone at the machine and nothing on the floor where customers are. The complaint this produces is always the same: it does nothing, except right there.
What you actually want is gentle movement. Not a stream and not a pocket: somewhere air circulates slowly, within the occupied part of the room, away from every aperture. In a small doored room that is usually easy. On a showroom floor with a vehicle door it is frequently impossible, which is the finding this page builds to.
Low and inward, not high and peripheral. The instinct in a tall room is to mount high: it is tidy, it is out of reach, it keeps the unit out of sight. The arithmetic argues the other way and it is worth doing rather than asserting. Take a floor of 5,000 sq ft with a 16 ft ceiling: 80,000 cubic feet, about 2,266 cubic metres. Now take the same floor counted only to the height a standing person occupies, call it six feet: 30,000 cubic feet, about 850 cubic metres. The difference, roughly 1,400 cubic metres, is air above everybody's head. Mounting at ceiling level starts the output in that part of the volume, and you are then relying on it to come down into the part that matters. Place instead at roughly the height of a standing person, and inward from the perimeter rather than against the far wall, so the output starts in the occupied band.
The same logic in the small rooms. A handover lounge at 300 sq ft and a 10 ft ceiling is about 85 cubic metres, of which the seated band is a smaller fraction still, because people in that room are sitting rather than standing. Low and inward applies there too, and so does the instruction to keep the unit out of reach and out of sight - not for appearance, but because a unit somebody can fiddle with is a unit whose written setting will not survive the month.
Now the socket, which is a hard constraint. The Vaayu is DC 12V / 1A, 5W, mains powered, and published as freestanding - it lays flat - or wall and HVAC mountable. So the position you arrive at by the airstream and height rules is only usable if there is power at it. This is where most installations quietly go wrong, because the machine arrives, the right position has no socket, and somebody puts it near the only free one. That single decision undoes every rule above it.
What to do about it, in two cases. If you are mid fit-out, write four lines into the drawing set rather than into an email: the unit position, a live socket at it, the mount height, and a note that it must sit outside the vehicle-door, entrance and supply airstreams. Drawings get built; emails get forgotten in week three when the electrician needs an answer quickly. If the building is finished, decide deliberately between moving power to the right position and accepting a worse position, and take the first option, because a compromise position is how installations end up either undetectable or obvious with nothing in between.
And nothing here is electrical, building or facilities advice. Your electrician and the people responsible for the building decide what may be installed and where.
Run the rules on the floor and see what survives. Shade out the vehicle-door airstream, which in most showrooms is a large proportion of the room. Shade out the customer entrance. Shade out every supply. Shade out the dead corners. Restrict what remains to the bottom six feet and to positions with power. In a typical showroom the surviving set is either very small or empty, and the surviving positions are usually deep in a corner of the room that customers pass through rather than linger in.
And even a perfect position does not fix the two underlying facts. The floor at 5,000 sq ft and 16 ft is about 2,266 cubic metres, more than twice a single machine's published approximately 1000 m3. And more decisively, a coverage rating assumes one connected body of air and a vehicle door in use means you do not have one. A volume being refreshed from outside cannot be held at a level by anything positioned inside it. Adding machines does not address that; it spends more on it, and usually produces obvious zones near each unit plus nothing in between.
So the conclusion, plainly. In a showroom with large vehicle doors cycling, the best placement for your machine is frequently not in the showroom at all. It is reception at about 204 cubic metres, the handover lounge at about 85, or a consultation cabin at about 25 - all of them well inside one machine's published figure, all of them with doors that end one volume and begin another, and all of them rooms where a customer is sitting still long enough for the air to be a property of the room rather than a passing impression. Inside each of those, run exactly the same five rules: out of the airstreams, out of the dead pocket, low and inward, near a socket, out of reach.
What to do with the showroom floor instead. Spend the attention on the things a customer on that floor genuinely experiences: whether the lighting shows the stock properly, whether the floor is kept, how somebody is greeted and how long they wait before anybody speaks to them, whether the sightlines work, and whether the seating is anywhere near where people stop. Those are real and they are not fragrance. And if there is a smell on the floor you do not want, it is a source question and a ventilation question and a cleaning question, in that order, because fragrance adds scent and does not remove it and no SOSA product treats, filters, dries, dehumidifies or purifies air.
One last time, because this is the page where the temptation is strongest. There is exactly one thing that would let a showroom floor hold a fragrance, and it is moving less air through the building. I will not recommend it here or anywhere, in this phrasing or a softer one. Ventilation wins, every time, and the people responsible for your building's air decide how it is ventilated.
- Mark the vehicle door, the customer entrance, every supply grille and every socket.
- Shade out those airstreams, then shade out every dead corner and recess.
- Place low and inward in the bottom six feet, out of reach, next to live power.
- If nothing survives, scent reception or the handover lounge instead - not the floor.
Where the unit actually goes, and the honest conclusion that it is usually another room
Assume you have accepted the conclusion and the unit is going into reception, the handover lounge or a cabin. The placement rules inside those rooms are the same ones, and then the level and the register follow.
Placement inside a small doored room, in four lines. Not in the doorway, because a doorway is a boundary and not a volume. Not directly at a supply grille, because the output gets carried away and thinned. Not jammed into a corner behind furniture, because nothing will move it out of there. Low and inward, at roughly the height of somebody sitting or standing rather than at ceiling height, out of reach and out of sight, with a live socket at the position - the Vaayu is DC 12V / 1A at 5W and mains powered, and lays flat for freestanding use or mounts on a wall or into HVAC.
Then the level, which is the decision that matters, and the register is the decision that feels like it matters. Your ladder in cubic metres is reception at about 204, the handover lounge at about 85, a consultation cabin at about 25 - and the level goes down as the number goes down, not up. Set each room for the customer at minute fifty rather than the one at the door, and for the fourth visit rather than the first, because dealership customers come back for service. Write the unit, the register, the exact setting and the hours on a card inside the cupboard the unit lives in, and treat any change as a decision with a reason and a date. Levels drift upward otherwise, because the people adjusting them have adapted and cannot detect what they are doing.
Then the register, which matters far less than placement. There are seven in the water-based Hotel Collection, each SOSA's own hotel-inspired interpretation; SOSA is independent and not affiliated with, endorsed by or connected to any hotel brand. Quiet Luxury is white tea, bergamot and cedar - hushed, polished and unsweet, and what I would run given one decision and no information about the building. White Tea Serenity is white tea, aloe and cedar - clean, weightless and spa-like, the register that most readily reads as clean rather than as scented, which suits a bright hard-surfaced building. Forest Suite is cedarwood, vetiver and green leaves - the driest of the three and the one most likely to be received as a property of the building rather than as a decision somebody made.
The ones I would keep out of these rooms. Lobby Bar is citrus, pepper and amber, bold and after-dark, and a theatrical register turned down is a quiet theatrical register rather than an inconspicuous one. Old-World Glamour is amber, violet and woods, plush and evening-elegant, and plush accumulates across a long sitting in a small room. Warm Welcome is citrus, floral and sandalwood, a genuine hotel-threshold register, which is an argument against it in a building whose threshold is a floor you are deliberately not scenting. Tea Garden is jasmine, green tea and white tea, the least risky floral in the collection, and even so I would take the dry options first in rooms this size.
I will not rank those seven against each other on measured throw or longevity. SOSA does not publish that comparison, and the variables that dominate all belong to your building rather than to the blend. There is also no automotive, leather or technical register in the range: the machines run the seven Hotel Collection registers and nothing else, and the reeds are their own five scents. Bespoke composition is a real SOSA service discussed on WhatsApp rather than priced on a page - but the cheaper honest answer comes first, which is that one of the seven held at the same written level every trading day already is a signature.
And one register across all the scented rooms, never two. Two registers meet in the doorway between them and produce a third smell nobody chose.
| Scent | Why it suits the mood |
|---|---|
| Low and inward, in a doored room · the position that works | Roughly the height of a standing or seated person, inward from the perimeter, out of every airstream, out of a dead pocket, out of reach and out of sight, with a live socket at the position. This releases the output into the bottom six feet that people actually occupy, in a volume with a door that ends it. In reception at about 204 cubic metres, a lounge at about 85 or a cabin at about 25, this is the whole of the placement question. |
| High on a showroom wall · tidy, and mostly wasted | A floor of 5,000 sq ft at 16 ft is about 2,266 cubic metres; the same floor counted to the six feet people occupy is about 850. Mounting at ceiling level starts the output in the roughly 1,400 cubic metres above everybody's head and relies on it coming down. It looks like the neat solution and it is the most expensive way to fill the part of a room nobody is in. |
| In an airstream · vehicle door, entrance or supply | Three versions of one mistake. Output released into the vehicle-door path goes outside. Output at a customer entrance cannot hold a level at a boundary and leads to the unit being turned up until the room is too much. Output at a supply grille is carried away and thinned before it reaches anybody. The fix is always to move the unit, and never to alter the supply, close a vent or restrict an opening. |
| Nothing at all · the showroom floor, work and wash bays, the vehicle | Not a lower setting - nothing. A floor with a vehicle door cycling is a volume being exchanged with outside and no coverage figure applies to it, at any position. Work bays, wash bays and parts stores are source-and-ventilation questions and fragrance is never an answer to a source. And nothing is ever put into a vehicle; no claim about one is made anywhere on this page. |
So the buying answer, and it follows the placement conclusion rather than fighting it. For one enclosed room - a handover lounge at about 85 cubic metres, a consultation cabin at about 25 - an ultrasonic is frequently the whole purchase: a SOSA Boond at ₹899, or a SOSA Sukoon at ₹1,899 for something larger, both running the water-based Hotel Collection from ₹299 with 100ml refills at ₹999 and 300ml also available. The pack of seven 15ml bottles at ₹1,799 is the sensible way to audition registers in your own air rather than from a description, judged on day five rather than the first afternoon.
For reception plus the lounge plus the cabins as a connected or near-connected group, the commercial machine is the SOSA Vaayu at ₹11,999: waterless cold-air nebulising of undiluted oil, so no water, no humidity and no wet residue, which is a plain design preference in a city with two damp stretches in the year rather than one. Rated for approximately 1000 cubic metres of connected air, with SOSA's own copy also stating 2,000 to 3,000 sq ft scented evenly. For a placement page the specification lines that matter most are these: 400ml tank; freestanding, because it lays flat, or wall and HVAC mount; DC 12V / 1A at 5W and mains powered, so it needs a live socket at the position you chose rather than at the position that happens to have power; Bluetooth app and timer, which is what lets you write a setting down and keep it, running in trading hours only with one setting for a dry May, another for a wet August and another for a foggy January. CE, RoHS and SGS. The two systems are not interchangeable: the ultrasonics are water-based cool-mist machines, while the Vaayu and the ducted Aangan at ₹25,999 (approximately 8,000 to 10,000 sq ft) and Meenar at ₹38,500 (approximately 12,000 to 18,000 sq ft) run waterless nebulising oil. The ₹299 water-based bottle never goes into a Vaayu or an HVAC machine.
If what you want is no plug, no noise and nothing to switch off - which in a room with no usable socket is sometimes the honest answer - the SOSA reed diffusers are their own registers rather than Hotel Collection ones: Mountain Breeze ₹849 is the driest, with Morning Freshness ₹749, Garden Bloom ₹799, Evening Calm ₹799 and Fresh Brew ₹849 completing the set, 130ml from ₹1,249 and lasting about 6 to 10 weeks. A reed is passive and local: it scents the few feet around it and will not fill a room, and it will do nothing at all on a showroom floor.
To go deeper: the whole-dealership version of this question, including which rooms get nothing, is in whether a premium car dealership in Lucknow should have a signature scent at all. The arithmetic behind spending on the lounge instead of the floor is in whether scenting a vehicle-handover lounge is more valuable than trying to fragrance an enormous showroom. And once the units are sited, the levels between the small rooms are worked out in whether customer consultation cabins should run lower than reception.
What SOSA does not publish, and what this page will therefore not invent: consumption rate, refill frequency, monthly running cost, machine lifespan, minimum order quantity or installation lead time. Send a marked-up floor plan with ceiling heights, the vehicle door, the customer entrance, your supply grilles and your sockets to WhatsApp at +91 96192 18531 instead. Bulk orders are welcome, and custom label or logo on product is available.
The SOSA scenting range
SOSA sells two different systems and one of the commonest mistakes is mixing them up. Size by the connected air volume of the room you are actually scenting - which in a boutique means the connected retail floor plus any viewing room that has a door of its own - floor area multiplied by ceiling height gives cubic feet, and cubic feet divided by 35.3 gives cubic metres. A door that stays shut ends one volume and begins another.
| Machine | System | What it is for | Price |
|---|---|---|---|
| SOSA Boond | Ultrasonic · water-based | A small desk or corner unit for one enclosed room - runs the water-based Hotel Collection | ₹899 |
| SOSA Sukoon | Ultrasonic · water-based | A larger ultrasonic for a reception or consultation room - Hotel Collection from ₹299 | ₹1,899 |
| SOSA Megh | Ultrasonic · 6L tank | A large-tank ultrasonic for a bigger lounge that runs all day | ₹3,499 |
| SOSA Vaayu | Waterless cold-air nebulising | The commercial machine - approx 1000 m3 of connected air, Bluetooth app and timer, no water and no humidity | ₹11,999 |
| SOSA Aangan | HVAC nebulising | Ducted scenting for approximately 8,000 to 10,000 sq ft | ₹25,999 |
| SOSA Meenar | HVAC nebulising | Ducted scenting for approximately 12,000 to 18,000 sq ft | ₹38,500 |
Two systems, and they are not interchangeable. The ultrasonics - Boond, Sukoon and Megh - run the water-based Hotel Collection from ₹299. Vaayu and the HVAC machines run waterless nebulising oil; the ₹299 water-based bottle never goes into a Vaayu. SOSA blends are SOSA's own hotel-inspired interpretations and SOSA is independent and not affiliated with any hotel brand. A portion of every order supports girl-child education through Nanhi Kali.
- Vaayu ₹11,999 - waterless cold-air nebulising, approx 1000 m3 connected air, Bluetooth app and timer, 400ml tank, freestanding or wall / HVAC mount, DC 12V / 1A, 5W, mains powered, CE / RoHS / SGS.
- Aangan ₹25,999 for approximately 8,000 to 10,000 sq ft and Meenar ₹38,500 for approximately 12,000 to 18,000 sq ft - both ducted into HVAC.
- The ultrasonics - Boond ₹899, Sukoon ₹1,899, Megh ₹3,499 - run the water-based Hotel Collection from ₹299, with 100ml refills at ₹999.
- Not published, and therefore never stated on this page: consumption rate, refill frequency, monthly running cost, machine lifespan, installation lead time or any minimum order. Those go to WhatsApp +91 96192 18531.
Versailles
Most of what is written about commercial scenting assumes you are building something from nothing - a new brand, an empty room, a customer who has never met you. Almost none of it is written for the business I actually get asked about most often in a city like Lucknow: the one that has been there for thirty years, that people already trust, where the founder's son or daughter is now looking at the place and thinking it should feel more like what it is worth.
That business has a completely different problem, and it is worth naming plainly. You are not trying to create an impression. You are trying not to damage one. A customer who has come to you since before you were running the place has a version of your shop in their head, and it is a good version - that is why they keep coming. If they walk in one morning and the room announces that something has changed, you have spent a real asset to buy a compliment. So my advice to legacy businesses is almost embarrassingly conservative: go so low that nobody remarks on it. Not low as a compromise - low as the specification.
The rest is the same as it always is, and it is the least commercial thing I say. Fragrance adds a smell; it has never once removed one. So if the showroom smells of damp in August, or the lobby carries the kitchen, or the new fit-out is still off-gassing, a machine gives you both smells at once and most people find that worse than the original. Source, then ventilation, then cleaning, and only then a quiet character held at the same level every single day - because in a business built on being the same place it has always been, consistency is the entire product.
Frequently asked questions
Facts verified September 2026: SOSA Vaayu ₹11,999 is a waterless cold-air nebulising diffuser rated for approximately 1000 m3 of connected air, with Bluetooth app and timer, a 400ml tank, freestanding or wall / HVAC mounting and a DC 12V / 1A, 5W mains supply. SOSA Aangan ₹25,999 covers approximately 8,000 to 10,000 sq ft and SOSA Meenar ₹38,500 approximately 12,000 to 18,000 sq ft, both ducted into HVAC. The ultrasonic machines - Boond ₹899, Sukoon ₹1,899 and Megh ₹3,499 - run the water-based Hotel Collection fragrance from ₹299, with 100ml refills at ₹999; that water-based bottle is not used in a Vaayu or an HVAC machine. Reed diffusers start at ₹749 and last roughly 6-10 weeks. A coverage rating assumes one connected body of air; scent does not travel through a closed door. Ambient scent research supports improved evaluations of a space and its service, longer dwell and stronger recall at moderate effect sizes - it does not support claims about bookings, fees or retention. Fragrance adds scent and does not remove, neutralise or purify odour, and no SOSA product makes any health, antibacterial or air-purifying claim. No SOSA product is an air-treatment device, an air purifier, a dehumidifier, a humidity-control product or an odour-removal product, and none makes any health, allergy, air-quality or occupational claim. No claim is made here about any effect on a customer, a patient, a purchase, a footfall figure or a business result. Nothing in this guide is clinical, facilities, HVAC, food-safety or building advice: in a clinical space the treating clinician decides what may be in the air, in a food business the kitchen and the applicable food-safety rules decide, and in any building the people responsible for its air and its maintenance decide - and their decision overrides every recommendation here. Descriptions of Lucknow's seasons, localities and crafts are general and qualitative; every figure about a specific building must come from that building. Nothing here claims any association with, or endorsement by, any craft body, heritage authority or local institution. SOSA blends are SOSA's own hotel-inspired interpretations; SOSA is independent and not affiliated with any hotel brand. Prices and availability are subject to change - see the live product pages.