Condition one: the arrival only. Reception and the waiting area, and nothing beyond them. Treatment rooms, cubicles, the exercise floor if it is a doored room of its own, and any space where a patient is being assessed, handled or treated stay unscented. Condition two: your clinicians decide. Whatever this page recommends, the treating clinician's decision about what may be in the air of their clinic overrides it completely, and if they want the whole premises left alone, that is the end of the conversation and it is the correct end.
Now the number, because it is the reason your question has a different answer from a shop's. Somebody attending three times a week is not a customer in exposure terms. They are closer to a member of your staff. Three sessions a week for eight weeks is twenty-four attendances, and since nobody leaves a building without coming into it, that is roughly fifty separate passes through your reception air. Run a course over six months, which plenty do, and you are past seventy attendances and comfortably past a hundred and fifty passes. A retail customer who is genuinely loyal might manage six visits in that time. Your patient does six in a fortnight.
Which gives you the specification, and I want to state it as a specification rather than as a caution. You are not setting a level for the first visit. You are setting it for the twentieth. A level that is lovely on day one is noticeable on day six and is a thing somebody has an opinion about by the fourth week. So the level goes lower than feels right in an empty reception on a Tuesday morning, and the target is that arrival is almost imperceptible on the way in: a room that reads as looked after, with nobody able to tell you why. That is the brief. It is not a shortfall, it is not you being sold a smaller machine, and it is not me hedging. It is what the arithmetic of repeat attendance produces.
The limits, stated plainly rather than buried at the bottom. No SOSA product is a medical device, a clinical product, an infection-control product or an air-treatment device, and nothing on this page is clinical advice. I will make no claim that a fragrance is safe for, good for, beneficial to or harmful to any patient, condition, treatment or procedure - not in either direction. I will make no claim about what a scent does to a person: nothing about how anyone feels, nothing about comfort, nothing about mood. And I will not tell you that a scent brings in patients, fills appointments or keeps anybody coming back, because it does not and I would not know how to prove it if it did. The honest ceiling on ambient scent is improved evaluations of a space and its service, longer dwell and stronger recall of a space, at moderate effect sizes, and that is all I will claim anywhere on this page.
One more limit, because in a clinic people hope for it. Fragrance adds a smell. It has never once removed one. No SOSA product treats, filters, dries, dehumidifies or purifies air - not the Vaayu at ₹11,999, not a ₹899 Boond, not a ₹749 reed. If there is a smell in your premises you would rather not have, the order is source, then ventilation, then cleaning, and fragrance is fourth on that list rather than a way around the first three. And never reduce ventilation or air exchange so that a fragrance holds longer. In a clinical building that is the single most harmful sentence anybody could write, and I am not going to write it in any phrasing.
How should the level be set when a patient attends three times a week? By counting the attendances rather than by standing in the room and judging. Three sessions a week for eight weeks is twenty-four attendances and about fifty passes through your reception air, counting arrival and departure; a six-month course runs past a hundred and fifty passes. Set the level so that the fiftieth pass is unremarkable, which means it will feel almost too quiet on the first. Then write the setting down - the unit, the register, the exact setting, the hours - because adaptation means you and your staff will be the last people in the building able to judge it, and levels drift upward for exactly that reason.
Which parts of a physiotherapy clinic should never be scented? Treatment rooms, cubicles, any curtained bay where a patient is assessed or handled, any room where a patient undresses, and any space your clinicians want left alone. A doored exercise or gym room is its own body of air and the default there is nothing: people are working physically, they are breathing harder, and dwell is long. Storage and any area holding clinical consumables get nothing. The default is unscented and the exception is the arrival, not the other way round, and nothing here is clinical advice - the treating clinician decides what may be in the air and their decision overrides this page.
So the specification is the twentieth visit, not the first, and I want you to hold that sentence when the machine arrives and you are standing in an empty room deciding what looks right. The first visit is the easiest one to design for and it is the wrong one. On visit one a patient has walked in from the street, their nose has a fresh baseline, they are taking in a room they have never seen, and a level that registers clearly feels like a considered arrival. By visit twenty the room is familiar, the nose has a memory of it, and anything with a presence has stopped being an arrival and started being a fact about the building that somebody either likes or does not. The version that survives twenty visits is the version that was never really noticed, only filed. In practice that means you will set the level, walk in the next morning, and think it is not doing anything. That is what correct looks like from inside. Almost imperceptible on the way in is the target, not the compromise.
Everything past the waiting area gets nothing, and the list is longer than people expect. Treatment rooms: nothing. Curtained bays: nothing, and a curtain is not a door, so a bay inside a larger room shares that room's air and cannot be treated as separate. Any room where a patient undresses or is assessed: nothing. A doored exercise or gym room: nothing, and for a reason worth naming - people in there are working physically, breathing harder, and staying for a long time, which is the exact combination that argues for less rather than more. Storage holding clinical consumables: nothing. This is not me being squeamish about your building. It is the default position for a clinical premises and it should be written into whatever you decide, because defaults are what survive a busy Thursday when somebody moves a unit to a socket that happens to be free.
Then the part that is actually the most important and has nothing to do with the purchase: your clinicians decide. Not as a courtesy, and not as a sentence at the bottom of a page. If a clinician in your practice wants a unit off, moved, turned down or never switched on, that happens the same day and nobody has to make a case for it. The same applies to your front-desk staff, who stand in that air eight to ten hours and are the most exposed people in the building. A reported reaction is a recalibration signal, not a tolerance problem, and anyone on the desk should be able to switch a named unit off without asking a manager. I make no health or allergy claim in either direction, and I am not qualified to and neither is any fragrance supplier.
And the thing you should not expect it to do, because clinics hope for this one particularly. Fragrance adds a smell and does not remove one. No SOSA product treats, filters, dries, dehumidifies or purifies air, and none is an infection-control product. If your premises has a smell you would rather not have, that is a source question first, then a ventilation question, then a cleaning question, and it belongs to the people responsible for your building and your clinical procedures rather than to a diffuser. Laying a register over an existing smell gives you both at once, which most people find worse than the original. And never reduce ventilation or air exchange so that a fragrance holds longer, in any season and in any phrasing. A portion of every SOSA order supports girl-child education through Nanhi Kali.
If you do one thing this week, count. Take your three busiest recurring patients, look at how many attendances each has had this quarter, and double it for arrivals and departures. Write the number on the same card you are going to write the setting on. It is a genuinely useful discipline because it stops the conversation being about how the reception feels to you and makes it about how it behaves for somebody who has been through it fifty times.
The second thing worth doing costs nothing and is the only reliable test I know. 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, as an open question rather than "can you smell the fragrance?", which plants the answer. If they can name what the room smells of, it is set too high for this brief. Not unpleasant, not wrong - too high for a room somebody visits fifty times. The target is that they say the place looks well kept and cannot tell you why.
Now the part that is specific to this city and genuinely changes the test, which is why I am not simply recommending one setting. Lucknow gives you three quite different versions of the same arrival, because your patient's nose arrives from outdoors. In April and May the outside air is hot and genuinely dry - the mean daily maximum in May sits near 39.9 degrees C and the year's humidity trough falls in exactly those hottest months - so people come in out of dry heat and air conditioning will be moving air fast. In July and August the air is wet, with monthly rainfall of roughly 238 and 242 mm. And from late November to February Lucknow is genuinely cold and damp, with January mean minima near 7.8 degrees C, January days reaching only about 21.4 degrees C, a record low of minus 1.0 degrees C, and fog common through December and January. A patient starting an eight-week course in late November finishes it in the coldest, foggiest stretch of the Lucknow year; one starting in April finishes in June, which is the crossover month and no longer reliably dry. Same patient, same setting, three different arrivals. That is an argument for one register with three written settings, not for three registers.
Gomti Nagar is worth a line here too, because it is relevant to what you are actually working with rather than being local colour. The township was taken up by the Lucknow Development Authority in the 1980s and occupied from 1995 onwards, and it is described as developing as the commercial and IT hub of mainland Lucknow. That means a practice there is usually in newer stock with a newer commercial layout, which in my experience means one thing for this question: your reception is more likely to be a genuinely separate body of air with a door on it, and less likely to be an open front onto a street. That is an advantage for this kind of installation and it is worth checking on the plan rather than assuming.
The arithmetic of attendance, and why it is the only number on this page that matters
Three things decide this, and the size of your clinic is not one of them. The first is attendance frequency, which sets the level and sets it downward. The second is which volumes are genuinely separate, because the whole recommendation depends on the arrival being a different body of air from everything clinical. The third is who holds the switch, which in a clinical premises is a governance question rather than a technical one.
Do the arithmetic, because it kills the instinct to buy a bigger number. A reception and waiting area of about 400 sq ft with a 10 ft ceiling is 4,000 cubic feet, and 4,000 divided by 35.3 is about 113 cubic metres. A larger waiting area at 700 sq ft and 10 ft is 7,000 cubic feet, about 198 cubic metres. A treatment room at 120 sq ft and 9 ft is 1,080 cubic feet, about 31 cubic metres. A consultation cabin at 100 sq ft and 9 ft is 900 cubic feet, about 25 cubic metres. Set those against a SOSA Vaayu at ₹11,999, published for approximately 1000 cubic metres of connected air. Your waiting room is roughly a ninth of that. Sometimes a fifth.
Which produces the finding that runs through every page in this bank: the machine is not your constraint. The setting is. Nobody running a clinic has ever had a problem solved by more output. The problems all sit on the other side - a level set for a doorway rather than for a patient on visit twenty, a level set by an owner whose nose adapted in week two, a register changed because change felt like effort.
Keep the word connected in view, because it decides whether this is even possible in your premises. A coverage rating assumes one connected body of air, and scent does not travel through a closed door - which is the useful half of that rule here, because it is also what keeps the arrival separate from everything else. Walk the plan and mark every door that genuinely stays shut during clinic hours. A treatment room with a door that is shut while a patient is in it is a separate volume and stays unscented by default. A curtained bay is not separate: a curtain does nothing to air, so a bay inside your main floor shares that floor's air, and if you have curtained bays off your waiting area then your waiting area is not a candidate for this at all without a conversation with your clinicians first. An open exercise floor that runs continuously off reception is the same volume as reception, which usually means the honest answer is nothing rather than a lower setting.
Finally, ventilation, and this is the one item on the page with no flexibility in it at all. In a clinical premises the air exchange is set by the people responsible for that building and its clinical requirements, and fragrance never gets a vote in it. Never reduce ventilation, close a vent, shut an extract or keep a door shut so a fragrance lasts longer. A well-ventilated room is genuinely harder to scent and the correct response is placement, a lower setting and a schedule. Never less air.
Count it out. Three sessions a week for eight weeks is twenty-four attendances. Arrival and departure make it about fifty passes through the reception air. Six months of the same schedule is past seventy attendances and past a hundred and fifty passes. Against that, a loyal retail customer visiting every couple of months gets five or six exposures a year, and the entire received wisdom about signature scent - the levels, the "should be noticeable on entry" advice, the idea that a scent is an introduction - was written with that person in mind. Applying it to somebody on their fiftieth pass is a category error.
Now put your staff next to that number, because they are the actual ceiling. A receptionist is in that air eight to ten hours a day, six days a week. Nobody in the building is more exposed and nobody in the building is less able to report it, because adaptation is ordinary and fast: by the second hour of a shift they cannot describe the room to anyone. That has two consequences and they both point the same way. First, you will systematically set the level too high, because you are calibrating with a nose that has already adjusted. Second, the people who carry the cost of an over-set level are the people least able to detect it. Staff and repeat patients are the cap on the level, and neither of them can tell you where the cap is from inside.
Which is why the number goes on a card. Not the vibe, the number: unit, register, exact setting, hours of operation, date set, and who set it. A fragrance level in a commercial space does not stay where you put it, because within a fortnight somebody says it seems weak and turns it up, and they are not lying - they have adapted. Three months later the clinic 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 patients on their fortieth pass. Writing it down is the whole defence, and it costs nothing.
And the standing arrangement, which matters more here than in any retail page I write. Anyone on the desk can switch a named unit off without asking a manager, and any clinician can have it off, moved or never switched on. A reported reaction is a recalibration signal rather than a tolerance problem: the level comes down or the unit goes off that day and nobody has to justify it. I make no health or allergy claim in either direction, and nothing here is clinical advice.
Walk the plan with a pen and mark the doors that are actually shut during clinic hours. Not the doors that exist - the doors that are closed. Each one ends one volume and begins another, which is the mechanism that makes a scented reception and an unscented treatment room possible at all. A consultation cabin at 100 sq ft and 9 ft is about 25 cubic metres of its own air behind a shut door; a treatment room at 120 sq ft and 9 ft is about 31 cubic metres. Those are separate rooms in air terms and they stay unscented by default.
A curtain is not a door. This is the single most common misunderstanding I get asked about in clinical premises and it is worth being blunt. A curtained bay provides visual privacy and does essentially nothing to air. A bay inside your waiting or treatment floor shares that floor's air completely, so if patients are assessed or handled in curtained bays that open off the area you were thinking of scenting, that area is not a candidate. The honest answer in that layout is either nothing at all, or a conversation with your clinicians about whether the arrival can be physically separated first - and the separation is a building decision, not a fragrance decision.
The exercise floor deserves its own paragraph because owners assume it is the obvious place. It is the opposite. If it is a doored room it is a separate volume and the default is nothing: people in there are working physically, breathing harder and staying a long time, and long dwell plus physical exertion plus repeat attendance is the most conservative combination in the building after the treatment rooms themselves. If it is not a doored room and runs continuously off reception, then it is the same volume as reception, your connected air is much larger than you thought, and the honest answer is usually nothing rather than a lower setting - because you would be scenting the gym in order to scent the desk.
Two more spaces that get nothing, for completeness. Anywhere clinical consumables are stored, because stock should not carry your room with it. And any room where a patient undresses, which is the smallest enclosed volume holding one person at close quarters and is the most conservative room in any premises, clinical or retail.
Which usually leaves exactly one candidate: a reception and waiting area behind a door, of about 400 to 700 sq ft, which is somewhere between 113 and 198 cubic metres. That is a small volume. It is a fraction of the Vaayu's published approximately 1000 cubic metres of connected air, and it is comfortably inside what a single ultrasonic can hold. The machine was never the question.
Set it low, then leave it alone. The level that survives a patient's fiftieth pass is a level you can barely detect on your first walk-in of the morning. If you set it by standing in the reception at eight o'clock and adjusting until it feels right, you will land somewhere around three times too high, because an empty room at eight o'clock has nothing in it and your nose has a clean baseline. Set it by the visitor test instead - somebody in from outside, open question, and if they can name it, down it goes.
Three settings, one register. This is where Lucknow actually earns a line in an operational document rather than in an introduction. The city gives you three genuinely different outdoor conditions that your patients arrive from: a hot, dry April and May with the mean daily maximum near 39.9 degrees C in May and the year's humidity trough in those same hottest months; a wet July and August with roughly 238 and 242 mm of rain; and a cool, damp winter from late November to February with January mean minima near 7.8 degrees C, January days reaching only about 21.4 degrees C and fog common through December and January. An eight-week course of treatment beginning in late November ends in the coldest and foggiest part of the year. Three settings written on a card, dated, with the register unchanged - because changing the register is the one thing that destroys what a held level was buying, which is that the room is recognisably the same place on the twentieth visit as on the first.
Run it to clinic hours and nothing else. The timer on the Vaayu is most of its value in a clinic for exactly this reason: it is what lets a setting be a written fact rather than somebody's judgement each morning. Do not run it overnight to "build up" - a room that has accumulated all night is the room your first patient of the day walks into, and in this climate that first appointment in January arrives from cold, foggy outdoor air with an unusually sensitive nose.
And the switch. Named unit, named position, and anyone on the desk can turn it off without asking. Any clinician can have it off permanently. Write that down as policy on the same card as the setting, because a policy that lives in somebody's memory is not a policy. This is the item I would keep if you threw away everything else on the page.
- Ask your clinicians first. If any of them says no, that is the answer and it is final.
- Mark the doors that actually stay shut. Curtained bays are not separate air.
- Scent the arrival only. Treatment rooms, bays and exercise rooms get nothing.
- Set it for the twentieth visit, write it down, and let anyone switch it off.
What goes in the arrival, at what level, and everything that gets nothing
So the arrival is separate, your clinicians are content, and the level is going to be low. Now the much smaller question of which register, which genuinely matters less than the setting and I would rather you spent your attention on the setting.
First, what the register is not doing. It is not making anybody feel anything, and I will not describe it as though it were. It is not covering a smell, because fragrance adds and does not remove. It is not making a room clean or contributing anything to infection control, and where I say a register "reads as clean", I mean the way a smell is perceived and nothing else - cleanliness and clinical procedure in your premises are yours and have nothing to do with a diffuser. What a held register does is make the room recognisable as the same room on the twentieth visit, and in a clinic where the same person walks in fifty times, recognition is the whole of the available benefit.
The seven. There are seven registers 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. For a clinical arrival the shortlist is narrow and it is a context judgement rather than a matter of taste. White Tea Serenity is white tea, aloe and cedar - clean, weightless and spa-like, and the one that most readily reads as clean rather than as scented, which is usually what a reception wants to read as. Quiet Luxury is white tea, bergamot and cedar - hushed, polished and unsweet, and the one I would run given one decision and no further information about the building. 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 somebody made, which is worth something in a room people pass through fifty times.
The ones I would keep out of a clinical arrival, and I would rather lose the order than take it. Lobby Bar is citrus, pepper and amber, bold 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 long dwell and repeat attendance in a way that dry does not. Warm Welcome is citrus, floral and sandalwood, a genuine hotel-threshold register, and a threshold statement is exactly the wrong thing to say to somebody arriving for the twentieth time. Tea Garden is jasmine, green tea and white tea and is the least risky floral in the collection, but I would keep a floral of any weight out of a clinical waiting area.
I will not rank the 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.
And a note on the machine choice that is about design preference rather than any claim. The ultrasonics are water-based cool-mist units: they put a small amount of moisture into a room. The Vaayu is waterless cold-air nebulising of undiluted oil, so no water, no humidity and no wet residue. In a city with two damp stretches rather than one - a wet July and August, and a cool winter that is genuinely humid as well as cold - that distinction is a plain preference worth stating. It is a reason somebody might choose the waterless machine in a wet month. It is never a claim to control humidity, to dry a room or to treat a building, and no SOSA product does any of those things.
One last time, because it is the sentence that should outlive the rest of the page: your clinicians decide, anyone on the desk can switch it off, and the default everywhere past the waiting room is nothing.
| Scent | Why it suits the mood |
|---|---|
| Reception and waiting · the only candidate | A doored waiting area of roughly 400 to 700 sq ft is about 113 to 198 cubic metres, which is a fraction of the Vaayu's published approximately 1000 cubic metres of connected air. White Tea Serenity or Quiet Luxury, held at one setting, run to clinic hours, written down. Set for the twentieth visit rather than the first, which means almost imperceptible on the way in. |
| Treatment rooms, cabins and curtained bays · nothing | Nothing at all, not a lower setting. A treatment room at 120 sq ft and 9 ft is about 31 cubic metres of its own air behind a shut door, and a consultation cabin at 100 sq ft and 9 ft is about 25. A curtain is not a door and does nothing to air, so a curtained bay shares the air of whatever room it sits in. The treating clinician decides and their decision overrides this table. |
| A doored exercise or gym room · nothing | Nothing. Long dwell, physical exertion and repeat attendance is the most conservative combination in the building after the clinical rooms. And if the exercise floor runs continuously off reception rather than behind a door, it is the same body of air as reception, your connected volume is far larger than you assumed, and the honest answer for the whole floor is usually nothing. |
| The whole premises · when the answer is no | Be willing to arrive here. If your clinicians would rather the air were left alone, if the waiting area is not genuinely separate from where patients are assessed, if the front opens straight onto a circulation corridor, or if you cannot commit to writing a setting down and holding it, the correct answer is no machine this year. Spend it on light, seating and how the wait is communicated instead. |
The buying answer, and it is deliberately small. For one doored reception and waiting area an ultrasonic is usually the whole purchase: a SOSA Boond at ₹899 for a small desk-side position, or a SOSA Sukoon at ₹1,899 for a larger waiting room, 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 the first afternoon is when your nose is least able to assess it and your enthusiasm is at its highest.
If the arrival is large, or if reception and a waiting mezzanine are genuinely one connected volume, the commercial answer is the SOSA Vaayu at ₹11,999: waterless cold-air nebulising, no water, no humidity and no wet residue, 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. The Bluetooth app and timer is the part that matters in a clinic, because it is what turns a setting into a written fact that runs to your hours and can be set differently for a dry May, a wet August and a foggy January. 400ml tank, freestanding or wall and HVAC mount, DC 12V / 1A at 5W so it needs a live socket, CE, RoHS and SGS. For most clinic receptions it 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, 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, 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, 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, which at a reception desk is occasionally the entire point. It also has no switch, which cuts both ways in a clinical premises - there is nothing to turn off in a hurry, so it has to be something that can simply be removed.
To go deeper into the rest of this block: if your question is really about which rooms stay neutral and how far the conservatism should go, that argument is made at length in whether a dermatology clinic should scent reception while keeping treatment rooms fragrance-neutral. If your reception holds a mixed group rather than one patient type, the level has to be set for the most sensitive person likely to be in the room and that case is made in whether a clinic serving entire families should be more restrained. And if what you want is a room that reads as less clinical without becoming a performance, the level and register-restraint argument is in how a dental clinic can feel less clinical without trying to smell like a spa.
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 your floor plan 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.