The reason this question comes up at all is that a business in a newer commercial area is usually handed a single number. The unit was let to you as a square-foot figure, the fit-out was priced against that figure, the rates are worked out against it, and so when a scenting supplier asks how big your space is, you say the number you have said forty times that year. It is the honest answer to a different question. A scenting machine does not see your lease. It sees one connected body of air, and your lease number and your connected customer-facing volume are two different quantities that happen to be measured in the same units.
I am going to do the arithmetic by hand in a moment and you should do it for your own unit rather than trusting mine, because the gap is bigger than people expect and it moves the purchase. Take a unit let as 2,400 sq ft with a 10 ft ceiling. Whole plate: 2,400 multiplied by 10 is 24,000 cubic feet, and 24,000 divided by 35.3 is about 680 cubic metres. Now take out the back of house - say a 400 sq ft stockroom, a 150 sq ft staff room, a 200 sq ft office and 150 sq ft of service corridor, which is 900 sq ft. The customer-facing area is 1,500 sq ft, so 1,500 multiplied by 10 is 15,000 cubic feet, which divided by 35.3 is about 425 cubic metres. The back of house is the remaining 9,000 cubic feet, about 255. The number you scent is not 680. It is 425.
And here is the honest consequence, which I would rather state than let you discover after the invoice: the purchase gets smaller. A reader who took 2,400 sq ft to a supplier is being sized against something close to a SOSA Vaayu's published approximately 1000 cubic metres of connected air, and might reasonably conclude they need it at a serious setting, or two of them. Sized properly, 425 cubic metres is well under half of that rating - so it is one machine, run low, and if your customer-facing area happens to be a single doored room the answer may be an ultrasonic at ₹1,899 and a ₹299 bottle rather than a commercial machine at all. That is a worse page for me and a better page for you.
The mechanism that makes any of this achievable is mercifully simple and it is the spine of every commercial page I write. A closed door ends one connected body of air and begins another. Not a curtain, not an archway, not a door propped open with a carton all day - a door that is genuinely shut while you are trading. That is the boundary, and once you can see where your boundaries are you can stop trying to hold a level across a space that was never one space.
Two limits before the rest of the page. I will not tell you that a scent sells anything - no footfall, enquiries, conversion, repeat visits or spend. 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, it has never removed one: no SOSA product treats, filters, dries, dehumidifies or purifies air, so if the stockroom smells of something, scenting the shop does not fix the stockroom.
What actually separates one volume from another? A door that stays shut during trading hours. That is the whole test and it is binary rather than gradual. Scent does not travel through a closed door, so the moment a door is genuinely shut you have two volumes with two separate answers. What does not separate a volume: a curtain, a bead screen, an open archway, a half-height partition, a door held open by a carton every day of the week, or a door that staff prop open because the room gets stuffy. Walk your unit with a floor plan at a normal trading hour on a normal day and mark only the doors you actually find closed. That plan is your sizing document. And do not start shutting doors that would otherwise be open in order to make the number smaller - never close a vent, never shut an extract, and never reduce air exchange so a fragrance holds longer.
Does that mean a new Gomti Nagar business needs a smaller machine than it thought? Usually yes, and occasionally none at all. Gomti Nagar is a planned township taken up by the Lucknow Development Authority in the 1980s and occupied from 1995 onwards, now described as the commercial and IT hub of mainland Lucknow, so a lot of businesses here are working with newer commercial stock and a newer trading area - but the physics is the same everywhere. A 1,200 sq ft unit at a 10 ft ceiling is 12,000 cubic feet, about 340 cubic metres, and if 500 sq ft of that is back of house the customer-facing volume is 7,000 cubic feet, about 198 cubic metres - a fifth of the Vaayu's published rating. The machine stops being the constraint at that point and the setting becomes the entire question, which is why the advice from here on is to run it low.
Then measure that shape, and measure the ceiling, because the ceiling is the variable people skip. Area is a flat number and air is not. Take the customer-facing area you just outlined and multiply it by the real floor-to-ceiling height in that part of the unit, which is very often not the height in the rest of it - a shopfront bay, an entrance, a mezzanine edge or a serviced ceiling void can all put two different heights inside one connected shape. Cubic feet, then divide by 35.3 for cubic metres. On our worked unit that is 1,500 sq ft at 10 ft, so 15,000 cubic feet and about 425 cubic metres. If your customer-facing part runs at 12 ft instead, 1,500 by 12 is 18,000 cubic feet, about 510 cubic metres - a fifth more air from a number you would not have noticed on a lease.
Then subtract nothing further and add nothing further, and compare it against one published figure. The SOSA Vaayu at ₹11,999 is published for approximately 1000 cubic metres of connected air, with SOSA's own copy also stating 2,000 to 3,000 sq ft scented evenly. Our 425 is comfortably under half of that. A 1,200 sq ft unit with 500 sq ft of back of house gives a customer-facing 7,000 cubic feet, about 198, which is a fifth. Even a generous 3,000 sq ft unit at a 12 ft ceiling with 1,200 sq ft of back of house gives 21,600 cubic feet of customer-facing air, about 612 - still under the rating. In the great majority of single-unit businesses the machine is not the constraint. The setting is.
Now say the uncomfortable part out loud, because it is the honest consequence and it is the reason to trust the rest of the page. Doing this arithmetic properly shrinks your purchase. It may shrink it from two machines to one, or from a commercial machine to a SOSA Sukoon at ₹1,899 running the water-based Hotel Collection from ₹299, or from a machine to a ₹749 reed on a reception counter, or - if your customer-facing volume turns out to be a foyer that people cross in twenty seconds with the front door open onto a service road - from a purchase to nothing at all. I would rather sell you the right small thing and have you still be a customer in four years than sell you a large thing that makes your own room unpleasant to stand in by week six. A portion of every SOSA order supports girl-child education through Nanhi Kali.
And be clear about why back of house is declined rather than merely deprioritised. It is not that those rooms do not matter or that the budget ran out. Stock sits in a stockroom for weeks and then goes home with a customer, and your room should not travel in the bag - that is a real reason, and it applies to packaging and tissue and boxes as much as to goods. An office is a place where two people sit for eight hours doing detailed work, which is the longest dwell in your building and therefore the lowest tolerance. And the staff room is the one room where the most exposed people in the building go specifically to be away from the room; putting your register in there is the single least considerate thing you could do with a diffuser. If any of those spaces smells of something you do not like, that is a source, ventilation and cleaning question and fragrance is not an answer to it - fragrance adds a smell and has never once removed one.
If you do one thing this week, do the walk. Take a printed plan, a pen and eleven minutes at a normal trading hour. Mark every closed door with a cross and every opening without a door with a line. Shade the shape that has no cross inside it. That shaded shape is your scentable volume and everything outside it is somebody else's problem, which is to say the cleaner's, the landlord's or nobody's.
Three traps to avoid while you are doing it, all of which I have seen turn a sensible plan into an over-scented room.
The propped door. A door that is shut on the drawing and open in practice is an opening, and it is usually the largest single error in the exercise because it silently joins a big back-of-house volume to your customer floor. If the stockroom door is open all day because staff are in and out of it, the stockroom is part of your connected volume and your number is wrong. Deal with that by accepting the larger number, not by ordering the door to be kept shut - it is open for an operational reason and very possibly a ventilation one, and I will never tell you to reduce air movement so a fragrance behaves better.
The height nobody measured. People estimate ceilings and they estimate them low. The difference between 10 ft and 12 ft on 1,500 sq ft is 3,000 cubic feet, about 85 cubic metres of air that appears out of nowhere. Measure it once, write it on the plan.
The front. If your entrance is a door that cycles constantly, or a shutter or glazed front that stands open onto the street or a service road, the first few feet inside are effectively outdoor air. That is not a fault to be corrected with output. It is a reason to place the unit deeper into the room and to expect nothing at the threshold.
One standing arrangement from the day anything is switched on. Anyone on the floor can switch a named unit off without asking a manager. Your staff stand in that air eight to ten hours, far longer than any customer, and adaptation means they are simultaneously the most exposed people in the building and the least reliable judges of the level. A reported reaction is a recalibration signal rather than a tolerance problem. No health or allergy claim is made here in either direction.
Where the boundary actually falls, and the single thing that draws it
Three things decide whether this exercise gives you a usable number: where the boundaries genuinely are, what height the air actually has, and what you honestly do with the smaller answer once you have it. The first is a walk, the second is a tape measure, and the third is a temptation.
Set out the three cases side by side, because the shape of the finding is more useful than any one number. A small unit at 1,200 sq ft and a 10 ft ceiling is 12,000 cubic feet, about 340 cubic metres over the whole plate; with 500 sq ft of back of house the customer-facing part is 700 sq ft, 7,000 cubic feet, about 198 cubic metres. A mid unit at 2,400 sq ft and 10 ft is 24,000 cubic feet, about 680; with 900 sq ft of back of house the customer-facing part is 1,500 sq ft, 15,000 cubic feet, about 425. A larger unit at 3,000 sq ft and a 12 ft ceiling is 36,000 cubic feet, about 1,020; with 1,200 sq ft of back of house the customer-facing part is 1,800 sq ft, 21,600 cubic feet, about 612. In every case the customer-facing volume lands between roughly a half and two thirds of the plate, and in every case it sits under the Vaayu's published approximately 1000 cubic metres of connected air.
That proportion is worth pausing on because it is the actual argument of the page. Back of house is not a rounding error. It is routinely a third to two fifths of a leased unit, which means a business sizing against the lease is sizing against something like half as much air again as it has any interest in scenting - and in a system where the failure mode is a level set too high, buying against an inflated number is exactly how you end up there.
There is a Gomti Nagar version of this worth naming. Gomti Nagar was taken up by the Lucknow Development Authority in the 1980s and occupied from 1995 onwards, and it is now described as the commercial and IT hub of mainland Lucknow, with malls, IT parks, business centres, banks and food courts among what it holds. That is a newer commercial area than Hazratganj, which has been the city's shopping district since 1827 and whose street grain is nineteenth-century and Victorian in influence. The practical difference for this question is not architectural, it is administrative: a business in a newer commercial area typically has a clean, documented square-foot figure for its unit and no particular reason to doubt it, whereas a business in an old street usually knows perfectly well that its premises is an irregular set of rooms and would never dream of quoting a single number. The clean number is the trap. It is accurate about the lease and silent about the air.
And the calendar, which changes the setting rather than the sizing. Lucknow gives a business three genuinely different rooms across a year: April and May are hot and dry, with the mean daily maximum in May near 39.9 degrees C and the year's humidity trough falling in those same hottest months; July and August are the wet ones, with monthly rainfall of roughly 238 and 242 mm; and from late November to February the city is cold as well as damp, January mean minima near 7.8 degrees C, January days reaching only about 21.4, a record low of minus 1.0 degrees C and fog common through December and January. That is two damp stretches rather than one. The volume does not change between them. The setting does, and it goes on a written card.
What it claims. A coverage rating - the Vaayu's approximately 1000 cubic metres, the Aangan's approximately 8,000 to 10,000 sq ft, the Meenar's approximately 12,000 to 18,000 - assumes one connected body of air. A machine cannot push scent through a closed door. So a shut door is a hard edge: the air on your side of it is the air you are treating, and the air on the other side is a different room with a different answer, and no amount of output changes that. This is genuinely useful rather than a limitation, because it means you can carve a large leased area down to a small scentable one without doing anything at all to the building.
What it does not claim. It does not mean a shut door gives you a sealed box - buildings leak, doors have gaps, and air moves under and around everything. It means the door is where the level falls off a cliff rather than tapering, and for sizing purposes that is what you need.
What does not count as a boundary, and this is where the walk earns its time. A curtain does not. A bead screen does not. An open archway, however narrow, does not. A half-height partition does not - air goes over it. A glazed screen with a gap at the top does not. A door with a large undercut for return air does not do much. And most importantly: a door that is propped open every day is an opening, regardless of what the plan calls it. The stockroom door held with a carton, the office door left ajar because the room gets warm, the corridor door wedged for trolleys - each of those quietly annexes a back-of-house volume to your customer floor and makes your number wrong in the expensive direction.
The walk, done properly. Normal trading day, normal trading hour, printed plan. Put your hand on every door in the unit. Cross the ones you find shut. Line the ones you find open, whether or not they are supposed to be. Shade the connected shape that contains your entrance, your display, your counter and wherever customers wait. Do it twice, on two different days, because Saturday and Tuesday are not the same building.
And the one thing you must not do with this finding. Do not start closing doors that would otherwise be open in order to shrink the number, and never close a vent, shut down an extract, disable a fan or keep a door shut that the building needs open so that a fragrance lasts longer. That sentence gets written in gentler phrasings all over my industry and it is the most harmful advice in commercial scenting. If a door has to stay open, the door stays open and your number is bigger. Accept the bigger number and run a lower setting. Ventilation wins, every time, in every season.
Line one: customer-facing floor area. Only the shaded shape. Not the lease, not the carpet area quoted at fit-out, not the super built-up figure, not the plate. If your plan is dimensioned, add up the rectangles; if it is not, pace it and be honest about the error rather than optimistic.
Line two: multiply by the real floor-to-ceiling height. Measure it. People estimate ceilings badly and they estimate low, and the error compounds because it multiplies. In our worked unit, 1,500 sq ft at 10 ft gives 15,000 cubic feet; at 12 ft it gives 18,000 cubic feet, which is 3,000 cubic feet or about 85 cubic metres more air appearing from a number nobody checked. Watch for two heights inside one shape - an entrance bay, a dropped ceiling over a counter, a service void left open, a mezzanine edge. Where there are two, work out each part and add them.
Line three: divide the cubic feet by 35.3 to get cubic metres. 15,000 divided by 35.3 is about 425. 7,000 divided by 35.3 is about 198. 21,600 divided by 35.3 is about 612. 24,000 divided by 35.3 is about 680. Those are the four numbers that appear on this page and you can reproduce every one of them with a phone calculator in under a minute.
Then hold your number next to the published one and resist the reflex. The Vaayu is approximately 1000 cubic metres of connected air. If your answer is 425, you are at roughly two fifths of a rating; at 198 you are at a fifth. The reflex at that point is to feel you have bought too much machine and to compensate by running it high, and that is precisely the failure this page exists to prevent. Headroom on a coverage rating is not an instruction to use it. The correct reading is that the machine will reach the room without being asked to work, which is the condition under which a register is received as the character of a place rather than as a product somebody installed.
One more honest note about big numbers. If your arithmetic comes out well above 1000 cubic metres of genuinely connected customer-facing air - a large open floor, a double-height entrance, a gallery over two levels with an open stair - the answer is still not a bigger setting. It is more than one volume treated as more than one volume, placement low and inward rather than high and outward, and a conversation about whether ducted machines like the Aangan at ₹25,999 or the Meenar at ₹38,500 belong in the discussion at all. That is a floor-plan conversation, and it goes to WhatsApp at +91 96192 18531 rather than to a number invented on a page.
The stockroom. Goods sit here for weeks and then leave in a customer's bag. Textiles, packaging, paper, tissue, boxes and anything with a surface will pick up an ambient register given time, and your customer did not agree to take your room home with them. This applies with particular force to any business whose product is handled closely, examined, tried on or given as a gift. It applies to the packaging as much as the goods. Leave it out.
The staff room. This is the one that matters most to me. Staff stand in your customer-facing air for eight to ten hours, which is many times the exposure of even your most frequent customer, and adaptation means they largely stop being able to report it. The staff room is the room they go to precisely to be out of it. Putting the same register in there removes the only break in the building and does it to the people with the least say in the decision. There is no version of this I would recommend.
The office. Two or three people sitting for a full day doing detailed work is the longest dwell in the building, and long dwell always argues downward. A level that is pleasant for a customer who is with you for twenty minutes is a different proposition at hour six for somebody reconciling accounts. If an office genuinely wants something, it should be that person's own decision, at their own low level, in their own doored room, and switched off by them without a conversation.
The corridor, the packing bench and the services cupboard. Nobody is being hosted here. These are circulation and work spaces, they usually carry the building's real air movement, and they are frequently where a smell you do not like is actually coming from. Which brings the necessary point: if any back-of-house space smells of something, that is a source problem and fragrance is not the answer to it. Fragrance adds a smell and has never removed one. No SOSA product treats, filters, dries, dehumidifies or purifies air - not the Vaayu, not a ₹899 Boond, not a ₹749 reed. The order is source, then ventilation, then cleaning, and only then fragrance, and laying a register over a live source gives you both smells at once, which most people find worse than the original.
The single exception worth considering, carefully. A customer-facing washroom is not back of house. It is a small doored volume that a customer uses alone, it says a great deal about how a place is looked after, and it is the one back-of-the-plan room where a very quiet, entirely separate treatment can be justified - a reed from ₹749 rather than a machine, chosen because it is passive, local, silent and has nothing to schedule. And the same rule holds there as everywhere: it is not a substitute for the extract working and the room being cleaned.
- Walk the plan at a trading hour and cross only the doors you actually find shut.
- Shade the connected customer-facing shape. Everything outside it gets nothing.
- Measure the real ceiling height, multiply, then divide cubic feet by 35.3.
- Buy against that number and run it low - it will be smaller than your lease says.
Which register for a customer-facing volume, and why the level drops with the number
Say the walk is done, the shape is shaded and the number is 425 cubic metres. Now the smaller decisions, in the order that actually matters.
Level first, register second, and it is not close. The level is set for the customer who stays longest in that shaded shape, not for the one crossing the threshold - and in most premium businesses the longest stay is far longer than the owner assumes, because owners time the transaction rather than the visit. Set it for that person, then set it again for their fourth visit this quarter, because a level that is lovely at minute one is tiring at minute ninety and is a problem by the fourth time. Both considerations point down. Neither has anything to do with which blend you chose.
Placement, which does more work than output. Deeper into the shaded shape rather than near the entrance, out of the air conditioning supply airstream rather than in it, away from where customers stand closest for longest, and out of reach and out of sight. Output dropped into a supply stream gets carried away and thinned before it reaches the room; output aimed at the door is spent on the street. If the shape has a narrow neck in it - a run between two display blocks, a doorway without a door - place on the larger side of the neck and let the air do the rest.
Now the register, which matters less than either of the above. 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. For a customer-facing retail or reception volume in a newer premium business the shortlist is narrow. Quiet Luxury is white tea, bergamot and cedar - hushed, polished and unsweet, and the one I would run given a single decision and no further information about the building. White Tea Serenity is white tea, aloe and cedar - clean, weightless and spa-like, and the register that most readily reads as clean rather than as scented, which suits a newer, brighter, harder-surfaced room. Forest Suite is cedarwood, vetiver and green leaves - the driest of the three, and the one that reads as a property of the building rather than a decision somebody made.
The ones I would keep out of a customer-facing floor, and I would rather lose the order. 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 a long visit in a way that dry does not. Warm Welcome is citrus, floral and sandalwood, a genuine threshold register. Tea Garden is jasmine, green tea and white tea and is the least risky floral in the collection, but I would still keep a floral of any weight out of a room where customers handle goods closely.
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 - your volume, your ceiling, your air exchange, your front door, your season - all belong to your building rather than to the blend.
And there is no traditional Indian, attar, oudh or rose-water register in the commercial range. SOSA does not make one for machines; the ultrasonics and the Vaayu run the seven Hotel Collection registers and nothing else. Bespoke composition is a real SOSA service, discussed on WhatsApp rather than priced on a page - but the cheaper honest answer comes first, and it is that 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.
| Scent | Why it suits the mood |
|---|---|
| Quiet Luxury · the default for a customer-facing floor | White tea, bergamot and cedar. Hushed, polished and unsweet, and what I would choose with one decision and no information about the unit. It holds a small amount of presence across a connected 400 to 600 cubic metre shape without becoming the thing a customer thinks about, which is the correct test for a room people are meant to return to. |
| White Tea Serenity · newer, brighter, harder-surfaced rooms | White tea, aloe and cedar. Clean, weightless and spa-like, and the register that most readily reads as clean rather than as scented. It suits a recently fitted interior because it sits with the room rather than adding a second idea on top of it. Set the level for the visit, not the entrance. |
| Forest Suite · timber, stone and a long customer stay | Cedarwood, vetiver and green leaves. The driest of the shortlist and the one that reads as structural rather than decorative, so it is received as a property of the building instead of a choice. The dry registers are also the ones that accumulate least across a long visit, which is why this is the one to consider when dwell in your shaded shape runs to the hour. |
| Nothing at all · stockroom, staff room, office, corridor | Not a lower setting - nothing. Stock should not carry your room home in a customer's bag, the office is the longest dwell in the building, and the staff room is where the most exposed people in the building go to be away from the room. If any of those spaces smells of something, that is a source, ventilation and cleaning question and fragrance is not an answer to it. |
So the buying answer, sized against the shaded shape rather than the lease.
If your customer-facing volume is one enclosed room - a reception, a single doored consultation or viewing room, a small studio floor of perhaps 400 sq ft at 10 ft, which is 4,000 cubic feet or about 113 cubic metres - an ultrasonic is usually the whole purchase. A SOSA Boond at ₹899 or a SOSA Sukoon at ₹1,899, 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 you should judge each on day five rather than the first afternoon, when your nose is least able to assess it and your enthusiasm is at its peak. A SOSA Megh at ₹3,499 has a 6 litre tank if one larger room runs all day.
If your shaded shape is a connected floor - our 425 cubic metres, or 198, or 612 - the commercial answer is the SOSA Vaayu at ₹11,999. Waterless cold-air nebulising of undiluted oil, so no water, no humidity and no wet residue, which is a plain design preference worth stating in a city with two damp stretches rather than one, and is never a claim to control humidity or treat a damp building. Approximately 1000 cubic metres of connected air, with SOSA's own copy also stating 2,000 to 3,000 sq ft scented evenly. 400ml tank, freestanding or wall and HVAC mount, DC 12V / 1A at 5W so it needs a live socket, CE, RoHS and SGS. The Bluetooth app and timer is most of the value, because it is what lets you write a setting down and keep it. 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 - Mountain Breeze ₹849 is the driest, with Morning Freshness ₹749, Garden Bloom ₹799, Evening Calm ₹799 and Fresh Brew ₹849 completing the set, 130ml from ₹1,249 and lasting about 6 to 10 weeks. A reed is passive and local: it scents the few feet around it and will not fill a floor, which for a customer washroom or a small reception counter is exactly the point.
To go deeper into the two decisions this page leaves open: the hours question is whether a premium business should run fragrance all day when most customers arrive only in the evening, which is where the timer earns its keep and where the staff-exposure argument gets its own page. If you are about to spend and want the ranking rather than the arithmetic, what a Gomti Nagar business should get right before spending on commercial scenting puts fragrance last on purpose and gives you a test for whether you have reached it. And if somebody has asked you to justify the spend with a model, how to measure the ROI of scenting with no historical customer data explains why that model cannot honestly be built and gives you the five things that can actually be checked.
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 the shaded plan and the ceiling height 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.