★ SOSA · Diagnostic Centres & Scent
A diagnostic centre can be spotlessly clean and still feel clinical. A clean, understated signature in the patient-facing public areas - reception, billing, waiting and health-check lounges - makes the environment feel modern and reassuring, while sample-collection, pathology and imaging rooms stay neutral and fragrance-free. This is purely about a calmer, more premium patient environment - SOSA makes no medical, diagnostic or air-purification claims
★ ★ ★ ★ ★
★★★★★
"Our centre was spotless but still felt very clinical. One clean, subtle signature in reception and the waiting area made it feel modern and reassuring - without ever smelling like a hotel or a perfume store, and we kept the sample rooms completely neutral."
SOSA Vaayu · diagnostic reception
★★★★★
"We kept the signature only in reception, billing and the waiting lounge and left blood-collection and the scan rooms fragrance-free. The Vaayu on a timer holds it evenly all day with nobody spraying anything."
SOSA Vaayu · public zones only
★★★★★
"Our AC waiting hall used to smell of disinfectant and got stale by evening. Once we sorted ventilation and cleaning, a light signature kept the space feeling fresh and considered."
SOSA Vaayu · aired first, then scent
★★★★★
"Our executive health-check lounge needed to feel like a premium experience. A clean, understated signature made it feel calm and high-end while staying appropriately medical."
SOSA Vaayu · health-check lounge
★★★★★
"We run five centres. One consistent, discreet signature in every reception makes the brand feel recognisable the moment a patient walks in, sized per centre."
SOSA Vaayu · multi-centre chain
★★★★★
"Reed diffusers were only noticeable at the desk. For a busy reception with patients coming and going all day, active cold-air was the honest answer - even, subtle and consistent."
SOSA Vaayu · busy reception
★★★★★
"Our centre was spotless but still felt very clinical. One clean, subtle signature in reception and the waiting area made it feel modern and reassuring - without ever smelling like a hotel or a perfume store, and we kept the sample rooms completely neutral."
SOSA Vaayu · diagnostic reception
★★★★★
"We kept the signature only in reception, billing and the waiting lounge and left blood-collection and the scan rooms fragrance-free. The Vaayu on a timer holds it evenly all day with nobody spraying anything."
SOSA Vaayu · public zones only
★★★★★
"Our AC waiting hall used to smell of disinfectant and got stale by evening. Once we sorted ventilation and cleaning, a light signature kept the space feeling fresh and considered."
SOSA Vaayu · aired first, then scent
★★★★★
"Our executive health-check lounge needed to feel like a premium experience. A clean, understated signature made it feel calm and high-end while staying appropriately medical."
SOSA Vaayu · health-check lounge
★★★★★
"We run five centres. One consistent, discreet signature in every reception makes the brand feel recognisable the moment a patient walks in, sized per centre."
SOSA Vaayu · multi-centre chain
★★★★★
"Reed diffusers were only noticeable at the desk. For a busy reception with patients coming and going all day, active cold-air was the honest answer - even, subtle and consistent."
SOSA Vaayu · busy reception
✓ Reed diffuser / room spray - passive or short-lived; only noticeable at the desk and cannot hold a busy reception all day ✓ SOSA Vaayu - active cold-air, one even, subtle signature across the patient-facing areas up to ~2000-3000 sq ft, on a timer ✓ A disinfectant, stale-AC or musty smell - cleaning, ventilation and HVAC at source, not fragrance
Founder Diaries · Diagnostic Centres & Scent
What should the architect actually decide about scent? Not the fragrance - that is your choice - but the engineering around it, the same as any service. Where each machine sits for even coverage of its zone; a discreet power point there; how it relates to the HVAC so the air movement helps rather than fights distribution; and the zoning boundary that keeps fragrance in reception, billing, waiting and any health-check lounge while sample, pathology and imaging rooms stay neutral. On a multi-service or multi-floor plan they should also mark one machine per zone, since scent does not cross partitions or floors on its own.
Is it really worth involving the architect, or can I just add it later? You can add it later, but it is the same machine for more trouble - drilling a finished wall for a power point, hiding a cable, and possibly discovering the only convenient socket sits where scent would drift toward a scan room. Deciding it on the drawing, alongside lighting and HVAC, costs almost nothing and gets the placement, power and zoning right the first time. Like most services, scent is cheap to plan and awkward to retrofit - which is exactly why it belongs on the design.
Shop Vaayu ₹11,999
Facts verified August 2026 (SOSA product pages): The SOSA Safar is a compact, cordless, rechargeable waterless cold-diffusion perfume diffuser priced at ₹3,999; it runs up to about 10 hours continuously or 30 hours intermittently on a single charge, has 3 speed settings and a 1h/2h/3h auto-off timer, and ships with three SOSA Hotel Collection hotel-inspired oils. It is a small-space device and is not rated to fill a large open floor evenly. The SOSA Vaayu is a waterless cold-air diffuser priced at ₹11,999 that atomises alcohol-free, water-free fragrance oil into a dry nano-mist covering up to 1000m3 (about 2000 to 3000 sq ft) per open area, with a 400ml tank (four 100ml oils included) that lasts up to about 75 days depending on the intensity setting and daily run hours, 1h/4h/8h/24h timers, Bluetooth app control and under-38dB operation; a very large central waiting hall may need the larger Angaan (₹25,999, ~8,000-10,000 sq ft) or Meenar (₹38,500, ~12,000-18,000 sq ft), and a multi-floor facility generally needs one machine per zone. A reed diffuser (from about ₹749) is passive and cannot be adjusted in strength. Fragrance projection depends on the volume of air and on ventilation - a closed, air-conditioned room holds scent while open doors, automatic entrances and central AC move it around - so the same floor area can need different power. In a diagnostic, pathology or imaging setting a signature scent is ambience only, and only in the patient-facing public areas: SOSA makes no medical, diagnostic, therapeutic, sterilising, disinfecting, antibacterial or air-purification claim of any kind, and a scent does not affect patients, samples, results or health - it makes the reception and waiting environment feel calmer and more premium, nothing more. Sample-collection, pathology, laboratory and imaging (MRI, CT, ultrasound, X-ray) areas should be kept neutral and fragrance-free. A disinfectant, stale-AC, musty or occupancy odour is managed with cleaning, ventilation, HVAC and moisture control at source first; a signature scent is the finishing layer on clean, well-aired air, never a mask. The hotel-inspired scents are SOSA's own original interpretations; SOSA is independent and not affiliated with, or endorsed by, any hotel named for reference. Prices and availability are subject to change - see the live product pages.
An architect already plans exactly where light, air and power go, because those are far easier to get right on the drawing than to fix on site - and scent belongs in the same category: a machine, a discreet power point and a zoning boundary that keeps fragrance out of the clinical rooms are all things that cost almost nothing to place on paper and are genuinely awkward to retrofit into a finished centre.
Quick answers — read this first
Should my architect plan scent-machine placement while designing the centre? Yes - treat it exactly like lighting and HVAC, which the architect already places on the drawings because they are far easier to get right on paper than on site. Three decisions belong at the design stage. Placement: where the machine sits so it covers the reception or waiting area evenly, ideally near an air path so the HVAC helps distribute it. Power: a discreet point at that spot, decided with the electrician while the wiring is open. And zoning: the boundary that keeps the signature in the patient-facing public areas and out of sample-collection, pathology and the scan rooms. Deciding these on the drawing keeps scent where it should be by design and avoids a clumsy retrofit later. A SOSA Vaayu (Rs 11,999) covers a reception up to about 2000-3000 sq ft. SOSA makes no medical claims.What should the architect actually decide about scent? Not the fragrance - that is your choice - but the engineering around it, the same as any service. Where each machine sits for even coverage of its zone; a discreet power point there; how it relates to the HVAC so the air movement helps rather than fights distribution; and the zoning boundary that keeps fragrance in reception, billing, waiting and any health-check lounge while sample, pathology and imaging rooms stay neutral. On a multi-service or multi-floor plan they should also mark one machine per zone, since scent does not cross partitions or floors on its own.
Is it really worth involving the architect, or can I just add it later? You can add it later, but it is the same machine for more trouble - drilling a finished wall for a power point, hiding a cable, and possibly discovering the only convenient socket sits where scent would drift toward a scan room. Deciding it on the drawing, alongside lighting and HVAC, costs almost nothing and gets the placement, power and zoning right the first time. Like most services, scent is cheap to plan and awkward to retrofit - which is exactly why it belongs on the design.
The short answer
Short answer: yes, your architect should plan scent-machine placement while designing a diagnostic centre - treat it like lighting and HVAC, which are far easier to get right on the drawing than on site. Decide three things at design stage: placement for even coverage of each zone, a discreet power point there, and the zoning boundary that keeps fragrance in the patient-facing public areas and out of sample, pathology and scan rooms. Mark one machine per zone on multi-service or multi-floor plans. A SOSA Vaayu (Rs 11,999) covers up to about 2000-3000 sq ft. SOSA makes no medical claims.
The range: a reed or a small Safar (₹3,999) suits a small reception; the SOSA Vaayu (₹11,999) holds one even, subtle signature across a reception, waiting area or health-check lounge up to ~2000-3000 sq ft on a schedule; the Angaan (₹25,999) for a very large waiting hall; one machine per zone, and clinical rooms stay neutral.
Next step: shop the SOSA Vaayu, or send us the floor plan - public zones, clinical rooms, sizes and HVAC - and we will zone and quote it.
In this guide
A diagnostic centre, pathology lab or imaging facility can be immaculately clean and still feel cold and clinical to the patient waiting in it. The opportunity is in the patient-facing public areas - reception, billing, the waiting room, health-check lounges, corridors and report collection - where a clean, understated signature makes the space feel modern, calm and reassuring, kept deliberately light so it never reads like a hotel lobby, a spa or a perfume store, and never a scent a patient would register as sprayed. Crucially, the clinical spaces are left alone: sample-collection and blood-draw rooms, the pathology lab, and MRI, CT, ultrasound and X-ray areas stay neutral and fragrance-free, with the signature zoned so it does not drift into them. The tool is an even, controllable cold-air diffuser - a SOSA Vaayu for a reception or waiting area up to about 2000-3000 sq ft, on a timer so it holds all day at a discreet level; a small reception takes a compact Safar. And any disinfectant, stale-AC or musty smell is fixed with cleaning, ventilation and HVAC at source first - scent is the finishing layer on clean, well-aired air, never a mask. SOSA makes no medical, diagnostic, sterilising or air-purification claims of any kind - this is purely about a calmer, more premium patient environment.
Reception & waiting
Where the signature lives
Health-check lounges
SOSA Vaayu · ₹11,999
A small reception
SOSA Safar · ₹3,999
Straight answer
Should scent-machine placement be on the architect's drawings for a diagnostic centre?
Yes - and the cleanest way to think about it is that scent is a building service, like lighting and HVAC, and an architect already places those on the drawings precisely because they are far easier to get right on paper than to fix on site. Three decisions belong at the design stage. The first is placement: where each machine sits so it covers its zone - reception, waiting area or health-check lounge - evenly, ideally near an air path so the HVAC helps carry the signature rather than fighting it. The second is power: a discreet point at that spot, agreed with the electrician while the wiring is open, so there is no drilling a finished wall or hiding a cable later. The third, and the most important in a medical setting, is zoning: the boundary that keeps the signature in the patient-facing public areas and out of sample-collection, blood-draw, the pathology lab and the MRI, CT, ultrasound and X-ray rooms. Deciding that boundary on the drawing - where the machine sits, which way the air moves, where the partition and doors are - is what keeps the clinical rooms neutral and fragrance-free by design rather than by luck. On a larger plan there is a fourth: marking one machine per zone, because scent does not cross a partition or travel up a staircase on its own, so a multi-service floor or a multi-floor centre needs a machine planned into each area it should reach. The hardware itself is simple to specify - a SOSA Vaayu (₹11,999) covers a reception up to about 2000-3000 sq ft, a compact Safar (₹3,999) a small reception, and a very large central waiting hall steps up to the Angaan (₹25,999). What the architect is really adding is not cost but coordination: getting placement, power and the clinical boundary right the first time, cheaply, on paper. It changes how the environment feels; it makes no medical claim and it is not an air-handling or purification system. To coordinate it with your drawings and HVAC, a quick note with the plan lets it be placed and zoned properly.
Yes - treat scent like lighting and HVAC. On the drawings the architect decides placement, a power point and the zoning that keeps fragrance out of clinical rooms - cheap on paper, awkward to retrofit. One machine per zone; clinical rooms neutral.
Start from the zones. A reception, waiting area or health-check lounge wants one clean, subtle signature that holds all day without staff spraying - that is the SOSA Vaayu (₹11,999, up to ~2000-3000 sq ft, on a schedule, kept light). A small reception takes a compact Safar (₹3,999). Keep sample-collection, pathology and scan rooms neutral and fragrance-free. If the centre smells of disinfectant or stale AC, fix cleaning, ventilation and HVAC first - scent is not a mask. A passive reed diffuser is often only noticeable at the desk.
Shop Vaayu
Why scent belongs on the drawings, next to lighting and HVAC
An architect's job is to coordinate services so they work together and end up in the right place. Scent is a minor service, but it has the same two properties as the major ones: cheap to plan, awkward to retrofit. Three things put it on the drawing properly.
1
It is a service, like light and air
Cheap on paper, awkward on site
Lighting and HVAC go on the drawings because deciding them early is far cheaper than fixing them on site. Scent has the identical property: a machine, a power point and a coverage plan are trivial to place on paper and genuinely awkward to add to a finished centre. Treating it as a minor service - not an afterthought - means it arrives coordinated with the wiring and the air-handling rather than chased afterward. That is the whole argument for putting it on the design.
Tip: anything cheap to plan and awkward to retrofit belongs on the drawing - scent is exactly that.
2
Placement and power together
Even coverage, a discreet point
The architect decides where each machine sits for even coverage of its zone, and ideally near an air path so the HVAC helps distribute the signature. Alongside that goes a discreet power point at the spot, agreed with the electrician while the walls are open. Get these two right together and the machine is invisible, powered and well-placed from day one - rather than sitting on a shelf near the only convenient socket, which is often the wrong place for coverage and sometimes the wrong place for the clinical boundary.
3
Zoning is a design decision
Clinical rooms neutral by drawing
The most important thing the architect fixes is the boundary that keeps fragrance out of the clinical rooms. Where the machine sits, which way the air moves, where the partitions and doors are - all decided on the plan - is what keeps sample-collection, pathology and the imaging rooms neutral and fragrance-free by design rather than by luck. On a multi-service or multi-floor plan they also mark one machine per zone, because scent does not cross a partition or a staircase on its own. This is the part that is genuinely hard to retrofit and easy to draw.
Tip: the clinical boundary is a design decision - drawn once, it holds; retrofitted later, it fights the layout.
The SOSA principle
Scent is a minor building service with the same economics as the major ones: trivial to place on a drawing, genuinely awkward to retrofit - which is exactly why architects should place it, not owners afterward.
The centres that get zoning right almost always decided it on paper. The ones fighting scent drifting toward a scan room usually added the machine after opening, near the only free socket, with no plan behind it.
What the architect should actually decide - placement, power, zoning
Putting scent on the architect's drawings is not gold-plating - it is treating a minor service the way every service is treated: placement, power and the clinical boundary decided once, cheaply, on paper, instead of expensively on site.
The SOSA scent edit
Scent on the drawings vs added later
| Scent | Why it suits the mood |
|---|---|
| Left off the design entirely | Added after opening near the nearest socket - often the wrong spot for even coverage, sometimes the wrong side of the clinical boundary, and always a retrofit with a drilled wall and a hidden cable. |
| Owner picks a spot on move-in day | Better than nothing but uncoordinated - no relationship to the HVAC air paths or the partition layout, so coverage is patchy and the clinical boundary is a matter of luck rather than design. |
| Architect plans placement, power, zoning | The right way - machine positioned for even coverage near an air path, a discreet power point, and the clinical rooms kept neutral by design; one machine per zone on larger plans. |
What the architect specifies is simple hardware placed well: one Vaayu (₹11,999) per reception, waiting area or health-check lounge up to about 2000-3000 sq ft, a compact Safar (₹3,999) for a small reception, and the Angaan (₹25,999) for a very large central waiting hall - with one machine per zone marked on a multi-service or multi-floor plan, since scent does not cross a partition or a staircase on its own. A discreet reed can finish a small closed report desk with no power at all. The clinical rooms - sample-collection, pathology and imaging - are drawn neutral and fragrance-free, with each machine sited so scent cannot drift in. Coverage, power positions and the zone count are coordinated on a quotation against your drawings, alongside the lighting and HVAC.
Matched to your centre
One SOSA Vaayu (₹11,999) holds a clean, subtle signature across a reception, waiting area or health-check lounge up to ~2000-3000 sq ft, on a schedule - all day and discreet; a small reception takes a Safar, one machine per zone, and clinical rooms stay neutral.
An architect plans where light and air go because those are cheap to draw and painful to move. Scent is the same kind of decision - and the clinical boundary, in particular, is far easier to draw once than to defend after the walls are up.
— Sonal Sahani, SOSA
The SOSA scenting range for diagnostic centres
Every SOSA system here is made in India and sized to a real volume of air, and kept deliberately subtle so it reads as professional and reassuring, never like a hotel or spa. A reed or a small Safar suits a small reception; the Vaayu holds one even signature across a reception, waiting area or health-check lounge up to ~2000-3000 sq ft on a schedule; and the Angaan handles a very large central waiting hall - one machine per zone, and the sample, pathology and imaging rooms kept neutral. A disinfectant or stale-AC smell is fixed with cleaning, ventilation and HVAC first, not scent. Here is the full range.
The SOSA scenting range for diagnostic centres
From a small reception to a large waiting hall - matched to the volume of air, kept deliberately subtle, and zoned so clinical rooms stay neutral
| System | Best for | Why it works | From |
|---|---|---|---|
 SOSA Safar
|
A small reception or billing desk in a compact centre (one enclosed space) | Compact cordless cold-diffusion - a controllable, gentle scent for one small patient-facing room; too small for a large waiting hall | ₹3,999 |
 SOSA Vaayu
|
A reception, waiting area or health-check lounge up to ~2000-3000 sq ft - the workhorse, kept subtle | Active cold-air machine with Bluetooth app & 1h/4h/8h/24h timers - one even signature held all day on a schedule; one per zone, zoned away from clinical rooms | ₹11,999 |
 SOSA Angaan
|
A very large central waiting hall or big multi-service facility (~8,000-10,000 sq ft) | HVAC nebulising diffuser for a very large volume of patient-facing air | ₹25,999 |
How to plan it honestly: a reed diffuser or a room spray is passive or short-lived - fine at a small desk, but it is often only noticeable up close and cannot hold a busy reception with patients coming and going all day. For a reception, waiting area or health-check lounge, one even, subtle signature held all day on a schedule is the job of the SOSA Vaayu (one open area up to about 2000-3000 sq ft), and a large or multi-floor facility runs one machine per zone - scent does not travel across a partition or up a staircase on its own; a very large central waiting hall steps up to the Angaan. Four honest notes for a diagnostics setting. First, scent only the patient-facing public zones - reception, billing, waiting and health-check lounges - and keep sample-collection, pathology and imaging rooms neutral and fragrance-free, with the diffuser placed and zoned so it does not drift into them. Second, if the centre smells of disinfectant, stale AC or damp, fix cleaning, ventilation, HVAC and any moisture at source first; adding a room freshener over disinfectant just reads as two smells at once and can make it worse - scent is the finishing layer on clean, well-aired air, never a mask. Third, keep it deliberately subtle and choose a clean, understated family - fresh, soft-woody or barely-there - never sweet, heavy or perfume-shop, so it never reads like a hotel or spa. And on running cost and multiple centres: the honest anchors are the machine price (Rs 11,999) and that a 400ml tank lasts up to about 75 days depending on intensity and daily hours; a precise monthly figure and multi-branch quantities depend on your area, footfall and hours, so those are planned on a quotation rather than guessed. SOSA makes no medical, diagnostic, sterilising or air-purification claims, and a signature scent does not affect patients, results or health in any way - this is purely about a calmer, more premium patient environment.
SS
ISIPCA
Versailles
Versailles
A note from Sonal
Diagnostic centres are a particular case, and I am careful with them. A pathology lab or an imaging centre can be genuinely spotless and still feel cold and clinical to a patient who is often a little anxious to begin with. The environment they wait in - reception, billing, the waiting room, a health-check lounge - quietly shapes how modern and reassuring the centre feels. But this is a medical setting, so the first rule is restraint and the second is zoning. I would never make a health claim about a scent, and I would never put fragrance where clinical work happens.
So my advice is simple. Scent only the patient-facing public areas - a clean, understated signature in reception and the waiting lounge, kept deliberately light so it never reads like a hotel or a spa, and never a scent a patient registers as sprayed. Keep the sample-collection and blood-draw rooms, the pathology lab, and the MRI, CT, ultrasound and X-ray areas neutral and fragrance-free, and place the diffuser so it does not drift into them. One Vaayu holds a reception or lounge of up to about 2000-3000 sq ft on a schedule, at a low level, all day, with nobody spraying; a small reception takes a compact Safar, and a very large central waiting hall steps up to the Angaan, one machine per zone.
The other thing I am honest about is smell problems. A lot of centres come to me because the place smells of disinfectant by evening, or the AC has gone stale, or the monsoon has left it musty. That is not a fragrance shortage - it is cleaning, ventilation and HVAC, fixed at source first; a freshener sprayed over disinfectant just becomes two smells at once. Only once the air is genuinely clean does a light signature make sense. And to be completely clear: scent makes the environment feel calmer and more premium. It does not diagnose, treat, sterilise, purify the air or affect a patient's health or results in any way - SOSA makes no medical claims of any kind. For a premium executive health-check lounge it can absolutely feel more high-end; for the lab bench it has no place. Everything is alcohol-free and made in India. Send me the floor plan - the public zones, the clinical rooms, the sizes and the HVAC - and I will help you zone it properly.
Frequently asked questions
Should scent-machine placement really be on the architect's drawings?
Yes - treat it like lighting and HVAC. Placement, a power point and the zoning boundary are all far cheaper to get right on paper than on site. The architect coordinating them means the machine is well-placed, powered and kept clear of clinical rooms by design, rather than chased into a finished centre afterward.
What does the architect decide - the fragrance too?
No, the fragrance is your choice. The architect decides the engineering: where each machine sits for even coverage, a discreet power point there, how it relates to the HVAC air paths, and the zoning boundary that keeps fragrance in the public areas. On larger plans they also mark one machine per zone, since scent does not cross partitions or floors.
Is planning it worth the effort, or can I add it after opening?
It is the same machine for far more trouble later - drilling a finished wall, hiding a cable, and maybe finding the only convenient socket is the wrong side of the clinical boundary. Deciding it on the drawing costs almost nothing and gets placement, power and zoning right the first time. Cheap to plan, awkward to retrofit.
How does the architect keep scent out of the scan and sample rooms?
By making it a design decision. Where the machine sits, which way the HVAC moves the air, and where the partitions and doors fall are all drawn so the signature stays in reception, billing and waiting while sample-collection, pathology and the imaging rooms stay neutral and fragrance-free. Drawn once, the boundary holds.
Does the architect need to plan scent as part of the air-handling system?
No - it is placed alongside the HVAC but it is not part of it and makes no air-handling or purification claim. A cold-air diffuser adds a subtle signature to the patient-facing air; it does not filter, clean or treat the air, and it must never sit where it would push fragrance into clinical rooms. It is coordinated with the HVAC, not built into it.
One clean, subtle signature in the patient-facing areas - reception, billing, waiting and health-check lounges, held discreetly all day and consistent across every centre; clinical rooms stay neutral, never like a hotel or spa
SOSA — Vaayu a calmer, more premium patient environment
One SOSA Vaayu (₹11,999) covers a reception up to about 2000-3000 sq ft on a schedule - simple to place on the drawings alongside lighting and HVAC, ships with four hotel-inspired oils, made in India. The architect fixes placement, power and the clinical boundary; one machine per zone, clinical rooms neutral. It changes how the environment feels, not an air-handling system, and makes no medical claim.
Shop SOSA Vaayu ₹11,999 → Plan a centre or multi-branch rollout
Continue the read
More from SOSA
- SOSA Vaayu - one even, subtle signature across a reception or lounge (₹11,999)
- SOSA Safar - a compact scent for a small reception or billing desk (₹3,999)
- SOSA reed diffusers - a passive, subtle touch for a small desk
- Explore all SOSA scent machines & fragrances
- Brand: Founder story — why SOSA exists
Editorial standards & sources
About this guide: Written by Sonal Sahani, ISIPCA Versailles-trained founder and perfumer at SOSA Home & Body. Product recommendations reflect the SOSA range; the scenting advice applies to any brand.Facts verified August 2026 (SOSA product pages): The SOSA Safar is a compact, cordless, rechargeable waterless cold-diffusion perfume diffuser priced at ₹3,999; it runs up to about 10 hours continuously or 30 hours intermittently on a single charge, has 3 speed settings and a 1h/2h/3h auto-off timer, and ships with three SOSA Hotel Collection hotel-inspired oils. It is a small-space device and is not rated to fill a large open floor evenly. The SOSA Vaayu is a waterless cold-air diffuser priced at ₹11,999 that atomises alcohol-free, water-free fragrance oil into a dry nano-mist covering up to 1000m3 (about 2000 to 3000 sq ft) per open area, with a 400ml tank (four 100ml oils included) that lasts up to about 75 days depending on the intensity setting and daily run hours, 1h/4h/8h/24h timers, Bluetooth app control and under-38dB operation; a very large central waiting hall may need the larger Angaan (₹25,999, ~8,000-10,000 sq ft) or Meenar (₹38,500, ~12,000-18,000 sq ft), and a multi-floor facility generally needs one machine per zone. A reed diffuser (from about ₹749) is passive and cannot be adjusted in strength. Fragrance projection depends on the volume of air and on ventilation - a closed, air-conditioned room holds scent while open doors, automatic entrances and central AC move it around - so the same floor area can need different power. In a diagnostic, pathology or imaging setting a signature scent is ambience only, and only in the patient-facing public areas: SOSA makes no medical, diagnostic, therapeutic, sterilising, disinfecting, antibacterial or air-purification claim of any kind, and a scent does not affect patients, samples, results or health - it makes the reception and waiting environment feel calmer and more premium, nothing more. Sample-collection, pathology, laboratory and imaging (MRI, CT, ultrasound, X-ray) areas should be kept neutral and fragrance-free. A disinfectant, stale-AC, musty or occupancy odour is managed with cleaning, ventilation, HVAC and moisture control at source first; a signature scent is the finishing layer on clean, well-aired air, never a mask. The hotel-inspired scents are SOSA's own original interpretations; SOSA is independent and not affiliated with, or endorsed by, any hotel named for reference. Prices and availability are subject to change - see the live product pages.