Here is the mechanism. Artificial is not a quality of a fragrance. It is what a room reads as when the level is set high enough that a person can identify the smell as a product. Below that point a register is received as a property of the place, in the same category as the light, the floor and the smell of the materials the building is made of. Above it, the same register in the same room is received as a decision somebody made - and once a customer has filed it as a decision, they start having opinions about it, which is precisely what you did not want. Nothing about the blend changed between those two states. Only the level did.
That is why the whole answer fits into one test, and why the test is a question you ask another person rather than a judgement you make yourself. If a customer can name what the room smells of, it is too high. Not wrong, not unpleasant, not badly chosen - too high for this brief. The target is a visitor who says the place seems well kept and cannot tell you why.
And the test bites harder in a legacy business than anywhere else, for a reason worth stating plainly: your customer has a baseline. Somebody visiting a new shop for the first time has nothing to compare against, so a moderate level simply becomes part of their first impression. Somebody who has been coming to you for twenty years is carrying an internal version of your room and is checking this visit against it, continuously and without meaning to. They will detect a difference at a level a first-time visitor would never register. So a long-established business does not get to run at the same setting as a new one. It runs lower. You are not creating an impression, you are protecting one, and the specification is to go so low that nobody remarks on it.
Two limits up front, because sensory branding is a phrase that invites overclaiming. I will not tell you that a scent sells anything - no footfall, enquiries, repeat visits, referrals or spend - and I will make no claim about what a fragrance does to a person: nothing about mood, emotion, comfort, reassurance or nostalgia, in any phrasing. The honest ceiling is improved evaluations of a space and its service, longer dwell and stronger recall of a space, at moderate effect sizes. And fragrance adds a smell rather than removing one: no SOSA product treats, filters, dries or purifies air.
How do I know whether my own shop has crossed the line? Not with your own nose, which is the least reliable instrument in the building because it adapts within an hour or two of arriving. Ask somebody who has been outside for at least ten minutes and does not work for you - a delivery person, a supplier's representative, a relative who visits twice a year - to walk in and tell you what they notice. Ask it as an open question. Never ask "can you smell the fragrance?", because that plants the answer and you will get a yes from a room that was fine. If they name a smell unprompted, you are too high. If they say the shop looks well kept and cannot say why, you are where you want to be. Then write the setting down, because levels drift upward over months as everyone in the building adapts.
Is sensory branding worth doing at all in a business that already has a reputation? Some of it, and the quiet parts. Light you can see goods by, seating that is actually comfortable, a wait that is managed, surfaces that are maintained, the removal of accumulated clutter - all of those change how a room is experienced and none of them is ever received as "you have changed", because they remove friction rather than announcing anything. Air belongs at the bottom of that list and its honest contribution is consistency rather than impact: a register held at the same level every trading day becomes part of how the room is recognised. Changed seasonally or quarterly it buys nothing at all, because the only thing it was buying was sameness.
Then mismatch, which is the second cause and the one design-minded owners fall into. A room communicates something through what it is made of: old timber, stone, brass, glass, textiles, paint. When the air argues with that - something plush and sweet in a dry hard room, something cold and clean in a room of old wood and heavy fabric - it reads as applied rather than as belonging, even at a low setting. The fix is not subtlety, it is agreement. Dry rooms take dry registers. That is why Forest Suite, which is cedarwood, vetiver and green leaves, tends to disappear into a timber-and-stone interior, while something plush in the same room announces itself on the first morning.
Then theme, which is the third cause and the most embarrassing when it goes wrong. The instinct in a craft-led or heritage business is to choose a register that illustrates the business - something that says this is what we sell or this is where we are from. It almost never works, and the reason is that a room which illustrates itself reads as a costume rather than as a place. Customers are not stupid about this; they clock it immediately and they find it slightly excruciating, in the way anybody finds a person wearing a badge describing their own personality slightly excruciating. A craft is the hero of a craft-led room. The air stays underneath it. And while we are here: there is no "traditional Indian", attar, oudh or rose-water register in SOSA's commercial range at all, so the cliche version of this is not available even if you wanted it - the machines run the seven Hotel Collection registers and nothing else.
Now the reason a legacy business has to be stricter than everyone else. Your customer has a baseline and a new business's customer does not. Twenty years of visits builds an internal version of your room, and every subsequent visit is silently checked against it. That is an enormous asset - it is why they keep coming - and it is also a very sensitive detector. A level that a first-time visitor would file as unremarkable is a level your regular notices as new, and "new" in a business whose product is being the same place is a cost rather than a benefit. So a long-established shop sets lower than a new one on the same floor plan, and the sentence to hold on to is that the failure mode here is not a room that smells of nothing. It is a regular walking in and thinking something has changed.
And the quiet cousin of all this: drift. Levels do not stay where you put them, because everybody in the building adapts and stops being able to detect them. Week three somebody says it seems weak and turns it up, honestly and wrongly. By month four the shop runs at a level no visitor would have chosen and no member of staff can detect, and the only people receiving it accurately are the customers. The defence is not vigilance, it is writing the setting down - unit, register, setting, hours - and treating any change as a decision with a reason and a date. That single piece of paper prevents more artificiality than any choice of blend. A portion of every SOSA order supports girl-child education through Nanhi Kali.
If you do one thing this week, run the test properly, because most owners run a broken version of it. The broken version is asking a friend, in the shop, whether they like the fragrance. That question has a smell in it already, and you will get a polite answer about a blend when the thing you needed to learn was whether it was detectable at all. The working version: ask somebody who has been outside for at least ten minutes, who does not work for you, and who does not know there is a question about the air. Ask what they notice about the shop. Then stop talking. If the answer is about light, or space, or how tidy it is, the level is right. If the answer names a smell, it is too high.
Three people is a sample. One is an anecdote, and your own nose is not even that - by your second hour in the building each morning it has stopped reporting the room to you at all. That is ordinary adaptation. It is also why your staff cannot be the judges either, and why they are simultaneously the most exposed people in the building: eight to ten hours a day, six days a week, which is many times any customer's exposure. They carry the cost of a level they cannot detect. Both facts point the same way, which is down.
There is a second reason a legacy business should run low that has nothing to do with taste, and it is dwell. In the businesses I get asked about in this city, customers stay a long time: an hour examining hand-embroidered fabric, two or three hours with a family at a counter, forty minutes over a fitting and a conversation. A level that is lovely at minute one is tiring at minute ninety, and it is a problem by the fourth visit that month. Nobody sets a level for minute ninety by accident. You have to do it deliberately.
One more practical instruction. Judge the room first thing in the morning, before staff, before stock is moved and before the air conditioning has run. The room has accumulated all night and nothing has been disturbed, so it is the most honest reading available. It is also the reading that tells you whether you have a source problem rather than a level problem - and if you do, no setting fixes it, because fragrance adds a smell and never removes one. Source, then ventilation, then cleaning, then fragrance. And never, in any phrasing, reduce ventilation so that a fragrance holds longer.
What artificial actually is - a level, a mismatch and a theme, in that order of frequency
Three things decide whether sensory work in a long-established business reads as care or as costume: the level, the fit between the air and the materials, and whether it stays the same. The third is the one that gets ignored and it is the one that does the actual work in a legacy business, because consistency is the whole product here. A register changed seasonally or quarterly is not a signature; it is a series of announcements.
Do the arithmetic once, because it explains why "artificial" is so easy to produce by accident in an Indian retail unit. A shop of 700 sq ft at a 10 ft ceiling is 7,000 cubic feet, which divided by 35.3 is about 198 cubic metres. At 1,000 sq ft and 12 ft it is 12,000 cubic feet, about 340 cubic metres. A SOSA Vaayu at ₹11,999 is published for approximately 1000 cubic metres of connected air. So an ordinary single-unit shop is a fifth to a third of what the machine is rated for. A machine specified for a volume five times your room, run at anything other than its lowest useful setting, is a straightforward recipe for a room that announces itself. The machine is not the constraint. The setting is, and in this bank it is nearly always set too high rather than too low.
The smallest rooms are the most dangerous, which is counter-intuitive and worth stating. A trial room of about 30 sq ft at an 8 ft ceiling is 240 cubic feet, roughly 7 cubic metres - the smallest volume anywhere in this programme, holding one person at close quarters who is changing clothes. A private counter or viewing room at 150 sq ft and 10 ft is 1,500 cubic feet, about 42 cubic metres, holding a few people for a long time. Both take less than the main floor, never more, and the trial room usually takes nothing.
Finally, note what is not on this list: the blend. Which of the seven registers you choose is a paragraph in this argument, not the argument. I have seen the same register read as invisible in one shop and as a product in the shop next door, and the variable was never the bottle.
Perception has a threshold, and the threshold is where identification happens. Below it, a person's experience of a room includes the air without separating it out - the same way you experience a room's light without thinking about lamps. Above it, the air becomes a distinct object, and once it is a distinct object it acquires all the properties of an object: it can be liked, disliked, compared, remembered, mentioned to a friend, or found tiring by minute ninety. The word "artificial" is what people reach for to describe a room whose air has become an object.
The test. Ask somebody who has been outside for at least ten minutes and does not work for you to walk in and tell you what they notice about the shop. Open question. Never "can you smell the fragrance?", which plants a smell and produces a false positive from a room that was fine. If they name what the room smells of, it is too high. If they say it seems well kept and cannot tell you why, you are done.
Why your own judgement cannot substitute. Adaptation. Within an hour or two of arriving each morning, your nose stops reporting the room to you, and so does every member of your staff's. This produces two systematic errors. The first is over-setting, because you cannot detect what a visitor detects. The second is drift: week three somebody honestly reports that it seems weak and turns it up, and by month four the shop is running at a level nobody inside can perceive and every customer can. The defence is to write the setting down - unit, register, exact setting, hours - and to treat any change as a decision that needs a reason and a date. That piece of paper is the most effective anti-artificiality device I know of.
And set for dwell, not for the doorway. The instinct is to calibrate for the moment somebody walks in, because that is the dramatic moment. But in the legacy businesses of this city the customer is not passing through - they are staying an hour, two hours, sometimes longer, and they were here last month and will be here next month. Long dwell and repeat visits both mean less, never more. A level that is elegant at the threshold is an accumulating presence by minute ninety and a known quantity by the fourth visit, and "known quantity" is the state in which people start to have opinions.
What a room already communicates. Materials carry their own character: old timber, stone, brass, paper, glass, textiles, lime paint. A visitor reads those before they consciously read anything else, and the air either agrees with that reading or contradicts it. Contradiction is felt as a small wrongness that people usually cannot name, and when asked they say the place feels done - which is one step from artificial.
The working rule: dry rooms take dry registers. In a hard-surfaced interior of timber, stone, glass and metal, the registers that disappear are the dry ones. Forest Suite is cedarwood, vetiver and green leaves and is the driest in the collection; it reads as structural, as if it came with the building. Quiet Luxury is white tea, bergamot and cedar, hushed and polished and unsweet, and it is the one I would choose with a single decision and no information. White Tea Serenity is white tea, aloe and cedar, clean and weightless, and it belongs in a brighter, harder, more recently refinished room. Put something plush into any of those rooms and it will be identified within a morning - not because it is a bad blend, but because it is describing a different building.
Soft rooms are the trap, not the exception. Owners assume a room full of textiles can carry a richer register. The opposite is true in practice, because soft goods hold and re-release, so a room with heavy fabric accumulates through the day while a hard room clears. The same setting is louder at six in the evening in a textile-heavy shop than in a stone-floored one. That is an argument for a lower setting, not a different bottle.
And the second reason to stay dry and low in a shop where people handle goods. Customers examine, hold and try things, and in a business selling fabric or garments they are handling the product at length. Your room should not travel home on your merchandise. That alone is a reason to keep the level low and the register quiet, and it is a reason nobody in my industry brings up because it argues against using more.
One honest note on what I will not do: I will not rank the seven registers against each other on measured throw or longevity. SOSA does not publish that comparison, and the variables that dominate - connected volume, ceiling height, how much your front opens, how many people are in the room, and the level - belong to your building rather than to the blend.
The instinct. A business with real heritage, a real craft or a real speciality naturally wants the air to say so. The reasoning feels sound: the room should express what we are. In practice a room that illustrates itself reads as a set rather than as a place. People notice the effort. And there is something specifically uncomfortable about a business narrating its own identity in the air, in the same way it is uncomfortable when a person explains their own charm.
Why it is worse for a craft-led or heritage business, not better. If the thing the customer has come for is genuinely good - a craft with real skill in it, a family business with real history - then that thing should be the hero of the room, and everything ambient should stay underneath it. Chikankari is a real hand-embroidery craft of this city and holds a Geographical Indication, registered in 2008 as Lucknow Chikan Craft; Awadhi cooking is a real culinary tradition with real technique behind it. Businesses built on things of that quality do not need the air to explain them, and when the air tries, the effect is to make something authentic look like a presentation of itself. The respectful move is quietness.
And in any case the cliche is not available. There is no "traditional Indian", attar, oudh or rose-water register in SOSA's commercial range. The machines run the seven Hotel Collection registers and nothing else, and I will not invent a note or describe a blend SOSA does not make. Bespoke composition is a real SOSA service and is discussed on WhatsApp rather than priced on a page - but the cheaper honest answer comes first, and it is the one that matters most in this bank: one of the seven held at the same level every trading day already is a signature, because consistency makes a signature and uniqueness does not.
The local argument in architecture. Hazratganj has been the city's shopping district since 1827, and around its two-hundredth year the street went through a coordinated facade and signage scheme - rooftop hoardings and encroachments removed, buildings painted a uniform cream and pink, uniform signage, stone pavements, heritage-style lighting. Note what was not done: nothing was added that illustrated the district's history theatrically. The street was made quieter and more uniform, and the buildings became legible again. That is the same argument this page is making about air, at the scale of a district, and it is the best evidence available that modernising and getting louder are different things.
What to do instead of a theme. Pick one of the dry, quiet registers, set it below the naming threshold, hold it at that exact setting every trading day for years, and let it become part of how the room is recognised rather than something the room is saying. That is the entire technique. It is unglamorous, it is cheap, and it is the only version of this that does not eventually read as artificial.
- Set the level below the point where a visitor can name what the room smells of.
- Test it with three outsiders and an open question - never ask about the fragrance.
- Match the register to the materials: dry, hard rooms take the dry registers.
- Write the setting down, hold it for years, and change it only with a reason and a date.
The naming test, and why it bites harder in a business people already know
So: which register, given all that. The honest answer is that the choice matters far less than the level, and that three of the seven do most of the work in a long-established retail room.
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, unsweet - and it is what I would run in a trusted shop with one decision and no further information, because it holds a small presence without becoming the thing anybody thinks about. White Tea Serenity is white tea, aloe and cedar - clean, weightless, spa-like - and it is the register that most readily reads as clean rather than as scented, which suits a bright, hard-surfaced room. Forest Suite is cedarwood, vetiver and green leaves - the driest of the three and the one that reads as part of the building rather than as a decision, which is what you want in a room of timber, stone and old joinery.
The four I would keep out of a legacy retail floor. Lobby Bar is citrus, pepper and amber, bold and playful and after-dark: turning a theatrical register down gives you a quiet theatrical register, not an inconspicuous one. Old-World Glamour is amber, violet and woods, plush and evening-elegant, and plush accumulates across a long sit in a soft-furnished room in a way that dry does not. Warm Welcome is citrus, floral and sandalwood, a genuine hotel-threshold register - and a threshold register is designed to be noticed at a threshold, which is the one thing a returning customer must not do. Tea Garden is jasmine, green tea and white tea and is the least risky floral in the collection because the jasmine sits inside the tea; even so, a floral of any weight in a room where people handle merchandise is a decision somebody will name.
Then the level, which is the actual answer. Set it for your longest-staying customer and for their fourth visit, not for the doorway and not for the day you switch it on. Set it with a stranger's nose rather than your own. Write it down. Hold it. And separate two rooms in your head that owners tend to treat as one: the main floor, which is the only thing you are really scenting, and any small enclosed room - a trial room at roughly 7 cubic metres, a private counter at roughly 42 - which takes less or nothing, because a small volume holding one or two people for a long time is where over-scenting is fastest and most obvious.
And the seasonal point, because Lucknow makes it real. The same setting behaves differently across this city's year: April and May are genuinely hot and dry, with the mean daily maximum in May near 39.9 degrees C and the year's humidity trough in those same hottest months; July and August are wet, with monthly rainfall around 238 and 242 mm; and from late November to February the city is properly cold, January days reaching only about 21.4 degrees C, mean minima near 7.8, with fog common through December and January and buildings closed up far more of the day. That is an argument for three written settings and one register, never for changing the register - because the register is the thing consistency is buying.
One standing arrangement, written down rather than remembered. Anyone on the floor can switch a named unit off without asking a manager. Staff are in that air eight to ten hours a day, and a reported reaction is a recalibration signal rather than a tolerance problem. No health or allergy claim is made in either direction.
| Scent | Why it suits the mood |
|---|---|
| Quiet Luxury · the safest default | White tea, bergamot and cedar. Hushed, polished and unsweet, and the register least likely to be identified as a product at a sensible setting. What I would choose with one decision and no information about the building, in a shop whose whole asset is being recognised rather than noticed. |
| Forest Suite · timber, stone and old joinery | Cedarwood, vetiver and green leaves. The driest in the collection and the one that reads as structural rather than decorative, so it is received as something the building has rather than something the owner did. The strongest answer to the mismatch problem in a materials-led room. |
| White Tea Serenity · bright, hard-surfaced, recently refinished | White tea, aloe and cedar. Clean, weightless and spa-like, and the register that reads as clean rather than as scented. It agrees with a room that has just been made brighter and harder, instead of adding a second idea on top of the first. |
| A theme, or anything plush · the two reliable ways to read as costume | Old-World Glamour, Lobby Bar and Warm Welcome are all good registers in the right building, and a legacy retail floor is not it - plush accumulates over a long sit, and a threshold register is built to be noticed at a threshold. A register chosen to illustrate what the business sells is worse again: the craft is the hero, and the air stays underneath it. |
The buying answer, which is small on purpose. For one enclosed room - an office, a viewing room, a counter with a door that shuts - an ultrasonic is usually 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 - and judge each on day five rather than the first afternoon, because on the first afternoon your nose is least able to assess it and your enthusiasm is at its highest.
For a connected retail floor the commercial answer is the SOSA Vaayu at ₹11,999: waterless cold-air nebulising of undiluted oil, so no water, no humidity, no wet residue. Approximately 1000 cubic metres of connected air, with SOSA's own copy also stating 2,000 to 3,000 sq ft scented evenly. Bluetooth app and timer, 400ml tank, freestanding or wall and HVAC mount, DC 12V / 1A at 5W so it needs a live socket, CE, RoHS and SGS. In the context of this page the app is not a convenience feature, it is the anti-drift device: it is what lets a setting be written down, run only in trading hours, and stay where it was put instead of being nudged by whoever is on the floor. For most single-unit Lucknow shops the Vaayu is more machine than the volume requires, which is exactly why the advice is to run it low. 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 you want no plug, no noise and nothing to switch off, the SOSA reed diffusers are their own registers rather than Hotel Collection ones, from ₹749, with Mountain Breeze ₹849 the driest, alongside Garden Bloom ₹799, Evening Calm ₹799 and Fresh Brew ₹849. 130ml from ₹1,249, lasting about 6 to 10 weeks. A reed is passive and local: it scents the few feet around it and will not fill a shop, which for a business worried about artificiality is often exactly the right ceiling to accept.
To go deeper: the full ranked argument about what to change in a trusted business, and what a twenty-year customer does and does not notice, is in how to make a thirty-year-old Lucknow business feel more premium without loyal customers feeling it has changed. If the sensory work is happening as part of a refit, the timing argument and the off-gassing warning are in whether a long-established Hazratganj store should introduce a signature scent during renovation. And the honest ranked list of upgrades, with fragrance placed well down it, is which upgrades actually matter when a successful store has barely changed in twenty years.
What SOSA does not publish and this page will not invent: consumption rate, refill frequency, monthly running cost, machine lifespan, minimum order quantity or installation lead time. Send your floor plan and ceiling height to WhatsApp at +91 96192 18531. 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.