Cleaning is a hard-surface activity. It removes what is on the counter, the couch and the floor, and it does it very well. What it does not do is replace the air in the room, get inside the upholstery of a waiting chair, or change the fact that six pairs of shoes are visible from where a patient is sitting. Those are different jobs with different tools, and a clinic that has done the first one thoroughly and none of the other three ends up in exactly the position this question describes: immaculate, and somehow flat.
There is also a specific trap in the word "clean". A clinic that has just been cleaned smells of cleaning, which is not at all the same thing as smelling clean. Surface cleaner and disinfectant have a strong, specific character; they arrive on a schedule, they are perfectly appropriate, and they are also a smell that says "a process happened here" rather than "this place is well kept".
So this page is mostly not about buying anything, and you should be a little suspicious of any version of it that is. Fragrance comes last, it comes small, and it comes only at the front of house. Everything before that is free or nearly free, and in my experience it is where the entire perceived difference lives.
Do I need a scent machine to fix this? Very likely not, and this page will say so. Fragrance adds scent and does not remove odour, so it cannot fix a room that smells of the day it has had - it can only add a third smell on top. Do the free work first. If the front of house still wants a small amount of character afterwards, a reed diffuser from ₹749 or a SOSA Sukoon at ₹1,899 with the water-based Hotel Collection from ₹299 is usually the whole purchase.
What is the single biggest free change? Airing on a routine rather than at the end of the day, closely followed by being ready when the patient arrives. A room aired an hour ago reads as fresh; the same room unopened since morning does not, even though nothing else has changed. And a clinic where the couch is made up, the previous patient's things are gone and somebody looks up within two seconds reads as premium before anybody has smelled anything at all.
Recency is the big one. Freshness has a half-life. A room that was aired an hour ago reads as fresh; the same room, unopened since half past nine, does not, even though nothing about the cleaning has changed. In an air-conditioned clinic with sealed windows the same air is being circulated all day rather than replaced, and by four in the afternoon that produces a closed, slightly flat quality that no amount of surface cleaning touches. The fix is a routine rather than a project: air the front of house before opening, air treatment rooms between lists rather than at the end of the day, and run the extraction in the WC and the sluice as a matter of course.
Texture is the second. Hard surfaces get cleaned; soft surfaces get wiped, which does almost nothing. Upholstered waiting chairs, the cushion nobody moves, the curtain in the treatment cabin, the mat inside the door, the throw over the couch - all of these take on whatever has been in the room and give it back slowly for days. In a foot clinic that reservoir is doing more work than in almost any other business, because the room is repeatedly occupied by people with their shoes off. Laundering on a schedule, and choosing seating that can actually be laundered or wiped down to the frame, is worth more than any machine on this site.
Order is the third and it is largely visual, which is why owners are surprised by how much it changes the perceived smell of a room. A waiting area with six pairs of shoes visible on the floor reads differently from the identical room with the same six pairs on a rack behind a panel, and it reads differently before anybody has consciously smelled anything. The same is true of a corridor with boxes in it, a desk with a pile of files, a visible bin, a trailing cable. People do not evaluate air in isolation; they evaluate a room, and the visual evidence tells them what to expect from the air.
Readiness is the fourth, and in a clinic it may be the largest single premium lever there is. Was the couch made up before the patient came in? Had the previous patient's things gone? Did somebody look up within two seconds? A practice that is ready reads as controlled, and controlled is most of what "premium" means in a healthcare setting. It costs nothing except sequencing.
Fragrance sits after all four, and it sits only in reception. It adds scent; it does not remove odour, so it cannot repair any of the above - and a register laid over an unaired room simply produces a third smell. A portion of every SOSA order supports girl-child education through Nanhi Kali.
I am aware that is an odd thing to publish on a page that sits on a fragrance company's website, and I would rather publish it than watch another clinic spend ₹11,999 on a machine to fix a waiting room that needed a window opened and a laundry schedule. If the free work leaves you wanting a little character at the front desk afterwards, that conversation is cheap and it is at the bottom of this page.
There is one more thing worth naming, because it is the reason this question gets asked at all. Clinic owners are usually comparing their own space against a mental image of a hotel or a high-end salon, and then reaching for the most visible difference, which is that hotels smell of something. But the actual difference is rarely the fragrance. It is that a hotel replaces its air continuously, launders everything on a schedule that would astonish you, keeps every operational object out of sight, and has somebody whose entire job is to be ready. The fragrance is the last five per cent, and it works because the other ninety-five is already done.
Copy the ninety-five. Then, if you want it, add the five - at a level nobody can name.
The gap between spotless and premium, and what actually sits in it
It is worth being precise about what is actually being asked here, because "clean but not premium" is a real and specific complaint rather than a vague one, and the specificity is what makes it solvable.
Clean is a statement about contamination. It means soil has been removed from surfaces, and in a clinic it means rather more than that, because clinical cleaning is a genuine discipline with a genuine standard. Premium is a statement about care being legible. It means a visitor can tell, without being told and without knowing why, that decisions were made about this room and are being maintained. Those two things overlap but they are not the same, and it is entirely possible to be excellent at the first and invisible at the second.
The gap between them, in a foot clinic, is made of things that cleaning cannot reach. Cleaning cannot replace air, and air is the largest single component of how a room is perceived. Cleaning does not usually include laundering, and soft material is where a room stores its history. Cleaning does not decide where things live, and order is what tells a visitor whether the room has a system. Cleaning has nothing to say about light, and light quality changes the read of a space more than most owners believe. Cleaning does not control temperature, and a room that is slightly too warm reads as stuffy no matter how spotless it is. And cleaning cannot be ready for somebody; only people can do that.
There is one additional complication that is unique to this vertical. In a foot clinic the source of any smell is not an accident that has been dealt with. It is the operating condition of the business: patients arrive all day and shoes and socks come off all day, in rooms that are often small and often sealed. That means the routine has to run at the same rhythm as the source. A clinic that airs at the end of the day has a room that was smelling of itself from about three o'clock, and the patients who were in it at four are the ones forming an opinion.
Finally, a note on what this page will not do. It will not turn into a machine catalogue, because that would be the wrong answer to the question. And it will not make any claim that a fragrance product removes, reduces or affects odour, or that anything here is clinical, therapeutic or air-treating, because none of it is. No SOSA product is a medical device or a clinical product, and the treating clinician's judgement about their own rooms and patients overrides every recommendation below.
Think about what a sealed, air-conditioned clinic does across a working day. At ten in the morning the air is close to what came in overnight. By one o'clock it has been through the fan coil a great many times, has picked up whatever has happened in the building, and has lost the quality people describe as "moving". By four it has that closed, flat character that everybody recognises and nobody can name. None of that is dirt. It is the same air, again.
The fixes are procedural and free. Open up before opening: front door and a window at opposite ends of the front of house for ten minutes, so the air is genuinely replaced rather than stirred. Air treatment rooms between lists, not at the end of the day - a five-minute open door and window between the eleven o'clock and the eleven forty is worth more than an hour of it at seven in the evening, because the room is being used by patients in between. Run the WC and sluice extraction as routine rather than on request; extraction that only runs when somebody remembers is extraction that mostly does not run. And if the building has any openable window in the corridor, use it at the two natural quiet points in the day.
What this is not, ever, is a reason to reduce ventilation. I have been asked more than once whether a clinic should close vents or turn the AC down so a fragrance lingers, and the answer is no, in any phrasing. A well-ventilated clinic is genuinely harder to scent, which is a good problem to have and one you solve with placement and level, not by letting the air stand. In a building where people take their shoes off all day, ventilation wins every single time.
There is a second half of this factor, and it is the one clinics are most surprised by: cleaning has its own smell, and it is on a schedule. Surface cleaner, floor cleaner and disinfectant are strong and specific. A clinic that has just been cleaned smells of cleaning, and cleaning is a process smell rather than a premium one. It also tends to be the moment when an ambient register first seems to go wrong, because a citrus or pine housekeeping product is now in conversation with whatever is at the desk. If those two clash, the cheapest fix by a wide margin is to change the housekeeping product to something lightly fragranced or unfragranced. That single substitution has improved more clinic receptions than any machine I have ever sold, and it costs less than the machine by a factor of about thirty.
And one diagnostic that costs nothing. Come in on a morning the clinic has been shut, stand in the doorway, and do not walk in. The first four seconds from outside the room are the only honest reading you will get all day, because after that your nose has adapted and stopped reporting. Write down what you smell in plain words - "closed", "cardboard", "cleaner", "nothing" - and then go room by room doing the same thing at each door. Almost every clinic I have done this in has one room that is the problem and four that are fine, and the owner had been treating it as a whole-building issue.
Make the list for your own building and it is longer than you expect. Upholstered waiting chairs. The cushion on the corner seat. The curtain in the treatment cabin. The mat inside the entrance. The blanket or throw on the couch. The fabric screen. The sofa in the consultation room. Staff textiles. Every one of those takes on what has been in the room and gives it back slowly over the following days, which cuts both ways: it is why a busy Friday is still faintly present on Monday, and it is also why a fabric-heavy waiting room needs less fragrance than a bare one, because the textile absorbs and re-releases whatever you add.
The fix is a laundering schedule with a name and an owner, not a good intention. Chair covers and cushion covers on a written rotation. The entrance mat washed rather than shaken. Cabin curtains changed on a cycle. And when you next replace waiting seating, choose something that can be laundered or wiped down to the frame - a clinic seat in an unremovable woven fabric is a reservoir you will never empty, and in a room where people are barefoot several times an hour that is a decision worth making once, properly, at purchase.
Then order, which is visual and which changes the perceived smell of a room even though it changes nothing chemical about it. People do not evaluate air in isolation. They evaluate a room, and the visual evidence sets their expectation of the air before their nose has finished reporting. Six pairs of shoes on the floor in front of a waiting bench tells a patient exactly what to expect. The same six pairs on a rack behind a panel tells them nothing at all, and the room is read as controlled.
Which brings us to the specific one for this vertical: where footwear goes. This is the single most under-considered decision in foot clinic design and it costs almost nothing to get right. Give shoes a defined home that is not the floor beside a seated patient and not under the treatment couch. A rack, a cubby, a tray, a low shelf, ideally with something in front of it. Give patients somewhere to put a sock that is not inside a warm shoe. Put it away from the seating and away from the airflow path that runs towards the waiting area. Then make it the routine that everybody follows rather than a facility that some patients notice - which usually means the person at the desk mentions it once, pleasantly, at the right moment.
Everything else in the order category follows the same logic. Boxes out of the corridor. Files off the counter. Bins with lids, emptied out of the building rather than into a corridor bin. Cables managed. Stock behind a door. A clinic where every operational object has a home reads as premium in a way that has nothing to do with how much any of it cost, and it also happens to remove several of the small sources that were contributing to the afternoon.
Light. A clinic lit entirely by overhead cool-white panels reads as institutional however clean it is, because that is the lighting of institutions and people have learned it. The front of house is where this matters, and the fix is not a rewire. One or two warm lamps at desk and seating level, at a lower colour temperature than the ceiling, change the read of a waiting area more than any other hundred rupees you can spend. Keep the clinical lighting exactly as your clinical work requires it - that is not a design decision and it is not mine to comment on - but the waiting area is not a clinical space and does not have to be lit like one.
Temperature. A room that is slightly too warm reads as stuffy no matter how spotless it is, and warmth also increases the release of everything already in the room. In a foot clinic that combination is worth taking seriously as an ordinary comfort matter. Slightly cool and moving is the target for the front of house. If your waiting area is the warmest room in the building because it faces the street and gets the door opening every two minutes, that is worth solving properly rather than covering.
Sound. Not a smell, and it belongs here anyway, because people integrate their impressions rather than filing them separately. A waiting room with a loud television, a printer, a phone that rings unanswered and a door that bangs reads as chaotic, and a room that reads as chaotic is not read as premium regardless of the air. Softening the loudest three sounds in your front of house is free or nearly free and it will change how the whole space is described.
Readiness. This is the largest one and it is entirely operational. Was the treatment room turned over before the next patient came in? Was the couch made up? Had the previous patient's shoes and belongings gone? Did somebody look up and acknowledge the person within two seconds of the door opening? Was the wait what they were told it would be, and if not, did anybody say so? A practice that is ready reads as controlled, and in healthcare "controlled" is most of what premium means. A patient who waits fifty minutes in a beautiful room with nobody explaining why does not describe that clinic as premium, and no fragrance in the world changes that sentence.
Put those four alongside air and laundering and you have six changes, of which five are free and one costs the price of a lamp. That is the honest answer to this question, and it is why I would rather you read this page than the machine page.
One last permission, because clinic owners seem to need it. You may not need to buy anything. If after all six changes the front of house still feels slightly bare and you want a small amount of character on it, that is a legitimate want and the last section deals with it properly. But "we did the six things and it was enough" is a complete and successful outcome, and if that is where you land, SOSA has done its job on this page.
- Air the front of house before opening and the treatment rooms between lists.
- Put chair covers, cushions, curtains and the door mat on a written laundry rotation.
- Give footwear a defined home away from the seating, and get boxes out of the corridor.
- Add warm lamps at seating level, sort the temperature, and be ready before they arrive.
Where fragrance comes in - last, smallest, and only at the front
If you have done the six changes and the front of house still wants a small amount of character, here is how to add it without undoing the work.
It goes in reception only. Not the corridor, not the consultation room, and certainly not the treatment cabins, the procedure or nail-surgery room, the casting area or the sluice. A treatment cabin is small - often 80 to 120 sq ft, which at 9 ft is 720 to 1,080 cubic feet or roughly 20 to 31 cubic metres - the door is shut, the clinician is in there for eight to ten hours a day at close range, and dressings and instruments are open. That room over-scents faster than anything else in the building and it is the room you must be most disciplined about leaving alone. A closed door ends one connected body of air and begins another, which is what makes a scented reception with unscented clinical rooms a real arrangement rather than an aspiration.
It goes in at a level nobody can name. The test I give every clinic is simple: if a patient can identify it as a product - "is that lemongrass?" - it is too high, and in a clinical setting a fragrance a patient can name does not read as luxury. It reads as something being covered, which is the opposite of the impression this whole page is trying to build.
And it should be clean and unsweet, because that is what reads right in a clinical room. In the water-based Hotel Collection - seven registers, each SOSA's own hotel-inspired interpretation, SOSA being independent and not affiliated with, endorsed by or connected to any hotel brand - the natural answers are White Tea Serenity, which is white tea, aloe and cedar, clean and weightless and spa-like; and Quiet Luxury, which is white tea, bergamot and cedar, a hushed and polished lobby calm. Both are transparent enough to be received as cleanliness rather than as fragrance, which is exactly the job here. Forest Suite - cedarwood, vetiver and green leaves - is the third answer and the right one for a clinic with timber, concrete or plants.
Tea Garden is jasmine, green tea and white tea, the best floral in the collection for a clinic because the jasmine sits inside tea rather than on top of it, though it is a step warmer than the white-tea pair and wants a lower setting to match. Warm Welcome is citrus, floral and sandalwood, a genuine threshold register for a family practice whose positioning is warmth. Old-World Glamour is amber, violet and woods, plush and evening-elegant, and it is the wrong register for a clinic front desk because plush is the character that reads as covering. Lobby Bar is citrus, pepper and amber, bold and after-dark, and it has essentially no home in a foot clinic.
I will not rank those seven on measured throw or longevity, because SOSA does not publish that and nobody can give you a comparison that survives contact with your particular room. Connected volume, ceiling height, ventilation rate, soft furnishing and setting decide how a register behaves, and all five of those are yours.
Now the sentence this page exists to make sure you read. Adding a register is optional, and it is the last five per cent. If the six changes closed the gap and the front of house now reads exactly as you wanted, stop. Buying nothing is a legitimate outcome and it is more common than the fragrance industry likes to admit. If you do want the five per cent, it is cheap: a reed diffuser from ₹749 on the desk with no plug and nothing to switch off, or a SOSA Sukoon at ₹1,899 running the Hotel Collection from ₹299 for a reception and waiting area.
And one thing to avoid entirely, because it undoes everything above: do not spray. A spray is at maximum the instant it leaves the can and decays from there, and that peak-then-fade curve is the recognisable signature of concealment - which is precisely the impression a clinic that has just done six rounds of genuine work does not deserve to give. If you add anything, add a low continuous level and hold it.
| Scent | Why it suits the mood |
|---|---|
| Air on a routine · free | Front of house opened up for ten minutes before opening, treatment rooms aired between lists rather than at the end of the day, extraction in the WC and sluice running as routine. Freshness has a half-life, so the routine has to run at the same rhythm as the source does. This is the single largest change on the list and it costs nothing at all. |
| Launder rather than wipe · near free | Chair covers, cushions, cabin curtains, the entrance mat and the couch throw on a written rotation with a named owner. Soft material is where a room keeps its history, and in a clinic where people are barefoot several times an hour it is doing more work than any hard surface. Buy seating that can actually be laundered next time you replace it. |
| Order, storage and readiness · free | Footwear with a defined home away from the seating, boxes out of the corridor, lidded bins emptied out of the building, and the room turned over before the next patient walks in. Visual order sets a visitor's expectation of the air before their nose finishes reporting, and being ready is the largest single premium lever a clinic has. |
| One low register at the desk · from ₹299 | Last, smallest, and only in reception. Clean and unsweet - White Tea Serenity or Quiet Luxury - held at a level no patient can name, on a reed from ₹749 or an ultrasonic from ₹899. Optional, and genuinely optional: if the first three rows closed the gap, stopping there is a complete answer. |
If you do decide to add something, here is the honest sizing, and it is smaller than most clinic owners assume because the volume that actually needs scenting is the front of house alone.
Do the arithmetic by hand. Floor area multiplied by ceiling height gives cubic feet; cubic feet divided by 35.3 gives cubic metres. A 150 sq ft reception at 10 ft is 1,500 cubic feet, about 42 cubic metres. A 250 sq ft reception and waiting area at 10 ft is 2,500 cubic feet, about 71 cubic metres. A 300 sq ft front of house at 12 ft is 3,600 cubic feet, about 102 cubic metres. Clinics are commonly 9 to 12 ft rather than 14 or 16, so say which you assumed - the difference between 9 and 12 is a third of the air, and it changes the answer.
For a small desk area with no plug and nothing to switch off, a SOSA reed diffuser from ₹749 lasts about 6 to 10 weeks and cannot be boosted, which on a page about not undoing your own good work is a genuine feature. The registers are their own set: Morning Freshness ₹749 (Malabar lemon, mint, eucalyptus), Mountain Breeze ₹849 (Himalayan pine, sage, cedar), Garden Bloom ₹799 (British rose, night-blooming jasmine), Evening Calm ₹799 (Kashmir lavender, chamomile) and Fresh Brew ₹849 (Coorg coffee, Kerala vanilla). For a clinic desk the first two sit inside the clean-and-unsweet steer; Fresh Brew is a delight in a home and the wrong character here. The 130ml is from ₹1,249, with 300ml refills at ₹2,399 and 500ml at ₹3,499.
For a reception and waiting area you want a settable level you can write down, which means an ultrasonic running the water-based Hotel Collection from ₹299: the SOSA Boond at ₹899 for a small enclosed desk, the SOSA Sukoon at ₹1,899 for a standard front of house, with 100ml refills at ₹999 and a pack of seven 15ml bottles at ₹1,799 if you want to try registers in your own air. The SOSA Megh at ₹3,499 and its 6 litre tank is for a large waiting area that runs all day without a refill break.
The SOSA Vaayu at ₹11,999 is the commercial machine and it is genuinely not the answer to this question for most clinics, which is worth saying on a page like this one. It earns its price when the front of house is large and open, when you want a timer holding the hours without anybody touching it, and when a water tank near a clinical area is not something you want: it is waterless cold-air nebulising of undiluted oil, so no water, no humidity and no wet residue. It is rated for approximately 1000 cubic metres of connected air, takes a 400ml tank, mounts freestanding or on a wall or into HVAC, runs on DC 12V / 1A at 5W so it needs a live socket, and carries CE, RoHS and SGS. Set that 1000 cubic metre rating against a 71 cubic metre reception and the honest conclusion follows on its own.
Two systems, not interchangeable: the ultrasonics are water-based cool-mist machines, while the Vaayu and the ducted Aangan at ₹25,999 for approximately 8,000 to 10,000 sq ft and Meenar at ₹38,500 for 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.
To go further: the room-by-room map and the source-before-scent order are in what a premium podiatry clinic should smell like. If your worry is that anything you add will read as air freshener, the mechanism is explained in how to make a podiatry clinic smell fresh without smelling like air freshener. When you get to choosing a register for the desk, the page for that is the best fragrance for a foot and ankle clinic reception. And if your clinic is a modern hard-surfaced fit-out, the level maths changes and you will need less than you think - what fragrance suits a modern podiatry and foot-care clinic.
What SOSA does not publish and this page will not invent: consumption rate, refill frequency, monthly running cost, machine lifespan, minimum order or lead time. Those depend on run hours, connected volume and setting, and they are answered properly with your plan in hand on WhatsApp at +91 96192 18531 - including the answer "you do not need one yet", which is a real answer that gets given. Bulk orders are welcome, custom label or logo on product is available, and bespoke composition made only for your practice is a real SOSA service discussed there rather than priced on a page, though the cheaper honest answer comes first: one register held consistently already is a signature.
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 clinic is almost always the reception and waiting area alone - 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
A foot clinic has a harder job than most places I write about, and it is worth saying plainly: your patients take their shoes and socks off, all day, in rooms that are often small and often air-conditioned with the windows shut. That is a real environment, and no bottle solves it. What solves it is where the shoes go, how the air moves, and what gets cleaned and laundered.
So the order matters more here than anywhere. Find the source. Move the air. Clean the surfaces and the soft things. Only then, in the reception where people wait, add one low register and hold it. Fragrance adds scent - it never subtracts one - and a scent laid over an odour makes a third smell that is usually worse than either.
The other thing I say to every clinician who asks me: the treatment rooms are not the opportunity. A patient lying back with a foot in someone's hands, a room with instruments and dressings in it, a person who has told you they react to fragrance - none of those want an ambient scent, and I would rather lose the second machine than pretend otherwise. Your clinical judgement about your own rooms outranks anything I have written here.
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 a medical device, a clinical product or an air-treatment device, and nothing in this guide is clinical advice - the treating clinician's judgement about their own rooms and patients overrides every recommendation here. 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.