★ SOSA for Osteopathy and Musculoskeletal Clinics
A closed loop cleans nothing; it recirculates whatever was already there
★ ★ ★ ★ ★
★★★★★
"Our old water diffuser couldn't fill the living-dining. This one does the whole floor and you can't hear it running."
SOSA Vaayu · large home
★★★★★
"The app scheduling is the best part - strong in the mornings, gentle in the evening. Clinic feels calm all day."
SOSA Vaayu · wellness studio
★★★★★
"Paired it with the SOSA hotel oils. The projection is genuinely lobby-strength - nothing like a plug-in."
SOSA Vaayu · workspace
★★★★★
"My reception now smells like a five-star lobby. Guests comment on it before they even reach the desk."
SOSA Vaayu · lobby scenting
★★★★★
"Zero dampness, which was my worry in monsoon. The mist is completely dry and the scent carries across the whole salon."
SOSA Vaayu · spa & salon
★★★★★
"Set the timer once and forgot about it. Runs only during store hours, refills last weeks. Exactly what I wanted."
SOSA Vaayu · showroom
★★★★★
"Our old water diffuser couldn't fill the living-dining. This one does the whole floor and you can't hear it running."
SOSA Vaayu · large home
★★★★★
"The app scheduling is the best part - strong in the mornings, gentle in the evening. Clinic feels calm all day."
SOSA Vaayu · wellness studio
★★★★★
"Paired it with the SOSA hotel oils. The projection is genuinely lobby-strength - nothing like a plug-in."
SOSA Vaayu · workspace
★★★★★
"My reception now smells like a five-star lobby. Guests comment on it before they even reach the desk."
SOSA Vaayu · lobby scenting
★★★★★
"Zero dampness, which was my worry in monsoon. The mist is completely dry and the scent carries across the whole salon."
SOSA Vaayu · spa & salon
★★★★★
"Set the timer once and forgot about it. Runs only during store hours, refills last weeks. Exactly what I wanted."
SOSA Vaayu · showroom
★ The three that suit a manual-therapy practice
Morning FreshnessLemon, peppermint, eucalyptus - the clinic defaultView ₹749
Mountain BreezePine, sage, cedar - for a wood-and-stone interiorView ₹849
SOSA VaayuFor a clinic of 1,500 sq ft and upView ₹11,999
✓ A clinic sits well below a hotel lobby and far below a retail store - noticed on arrival, forgotten within a minute ✓ Reception carries the fragrance; the treatment room inherits a trace through the door rather than a dose of its own ✓ Made in India · independent, not affiliated with any hotel · a portion funds girl-child education
Founder Diaries · Commercial Scenting Guides · Osteopathy Clinics
Isn't air conditioning supposed to keep the air fresh? No - that's a common assumption and it isn't how cooling works. A recirculating system cools and moves the same body of air around the room; it does not replace it. Only a fresh-air intake or exhaust setting, or an actual air change through doors and windows, brings in new air.
Whose job is that setting? Your facilities engineer's or AC contractor's. Fresh-air intake ratios, duct balancing and exhaust rates are HVAC decisions, not fragrance ones, and SOSA does not advise on them.
Does a stronger fragrance compensate for a closed loop? No. Fragrance sits on top of whichever air the system is actually moving. A reed diffuser or scent machine cannot introduce fresh air, and running one harder in a recirculating room just adds a second smell to the same trapped air.
See the reed diffusers Book a scenting plan
Facts verified 5 September 2026 against the live SOSA product pages: the SOSA reed diffusers are alcohol-free, phthalate-free and paraben-free compositions on a heat-stable coconut-derived base, supplied in a refillable glass bottle with six fibre reeds, flipped weekly, with 50ml lasting 6-8 weeks and 130ml lasting 14-18 weeks, tested at 45°C and 85% relative humidity - Morning Freshness ₹749 / ₹1,249, Mountain Breeze ₹849 / ₹1,349, Evening Calm ₹799 / ₹1,299. The SOSA Boond (₹899) is an ultrasonic cool-mist diffuser for spaces up to about 150 sq ft with roughly a 6-hour fill; the SOSA Sukoon (₹1,899) is an ultrasonic cool-mist diffuser covering about 270-320 sq ft for 16-18 hours on the low setting and supplied with three 15ml Hotel Collection fragrances; the SOSA Megh (₹3,499) is a 6-litre ultrasonic diffuser rated to about 215 sq ft, a runtime machine rather than a coverage upgrade. Being ultrasonic, all three work by aerosolising water and therefore add some moisture to the air. The SOSA Vaayu (₹11,999) is a waterless cold-air nebuliser rated to 1000m³, described by the manufacturer as approximately 2,000-3,000 sq ft, with a 400ml refillable tank lasting up to about 75 days depending on intensity and run hours, Bluetooth app and onboard button control, 1h/4h/8h/24h timers, adjustable intensity, operation under 38dB, DC 12V/1A at 5W (roughly 1.5 units of electricity a month on a ten-hour daily schedule), freestanding or wall and HVAC mounting, auto-stop and key-lock, and CE, RoHS and SGS certification - which are electrical and compliance marks, not medical approval. Being waterless, it adds no moisture and leaves no residue on surfaces or equipment; refill availability should be confirmed with SOSA. The SOSA Angaan (₹25,999) is an HVAC nebulising diffuser rated to 3,000m³, roughly 8,000-10,000 sq ft, with an 800ml reservoir and operation under 42dB. SOSA products are not medical devices and no health, therapeutic or wellbeing claim is made or implied anywhere in this guide; ambient scent is an interior and hospitality decision that works alongside cleaning, laundry, ventilation and hygiene protocol and is never a substitute for any of them. Infection control, linen protocol and HVAC standards are matters for the practitioner and the facilities engineer. SOSA sells no dehumidifier, air purifier or disinfectant, and makes no air-quality, purifying, antibacterial or odour-elimination claim of any kind. Fragrance sensitivity is real: staff should be able to switch any system off in seconds, and no SOSA product is described as hypoallergenic or as safe for sensitive individuals. The hotel-inspired scents are SOSA's own original interpretations; SOSA is an independent brand and is not affiliated with, or endorsed by, any hotel named for reference. Coverage, fragrance usage and running cost depend on the space, settings and hours of use, and are confirmed on a consultation. Prices and availability are subject to change - see the live product pages.
Air conditioning has a way of making a room feel handled - cool, quiet, controlled - which makes it confusing when a fully air-conditioned clinic still smells faintly shut in by mid-morning. The AC is doing exactly what it was set to do. The confusion is about what that setting actually is.
Quick answers — read this first
Why does my air-conditioned clinic still smell closed? Because most AC systems, on their default setting, recirculate the air already inside the building rather than exchanging it with outside air. Cooling and air exchange are two different jobs, and a system can do the first perfectly while doing none of the second.Isn't air conditioning supposed to keep the air fresh? No - that's a common assumption and it isn't how cooling works. A recirculating system cools and moves the same body of air around the room; it does not replace it. Only a fresh-air intake or exhaust setting, or an actual air change through doors and windows, brings in new air.
Whose job is that setting? Your facilities engineer's or AC contractor's. Fresh-air intake ratios, duct balancing and exhaust rates are HVAC decisions, not fragrance ones, and SOSA does not advise on them.
Does a stronger fragrance compensate for a closed loop? No. Fragrance sits on top of whichever air the system is actually moving. A reed diffuser or scent machine cannot introduce fresh air, and running one harder in a recirculating room just adds a second smell to the same trapped air.
The short answer
Short answer: Air conditioning cools and recirculates air; it doesn't automatically exchange it with the outside. A closed-loop system that never runs on fresh-air intake keeps cycling the same air, and a clinic on that setting can smell closed even at a comfortable temperature. That's a facilities/HVAC question, and no fragrance changes it.
The pick: Ask your facilities engineer or AC contractor about the fresh-air intake ratio before buying anything from SOSA for this specific complaint.
Next step: send your floor plan and appointment length and we will tell you honestly whether you need a machine at all - ask for a clinic scenting plan.
In this guide
Cooling and air exchange are two different jobs. A system can do the first perfectly and still do none of the second.
The clinic shelf - tap to see the specification
The morning version of this problem
Why does my clinic smell stale when I open it?
The airflow question, in full
How does AC airflow affect fragrance distribution?
A plan, not a guess
Free clinic scenting plan
Straight answer
Why Does My Fully Air-Conditioned Osteopathy Clinic Sometimes Smell Closed?
Air conditioning solves a temperature problem, not an air-exchange problem, and the two get confused constantly because a cool room feels handled in a way a warm one doesn't. Most split and ducted systems, on their standard setting, recirculate the air already inside the space - they draw it in, cool it, and push it back out, over and over, without necessarily bringing in air from outside at all. That is an efficient way to control temperature. It is not a way to refresh the air, and a system can run all day, keep the room at a perfectly comfortable temperature, and still be circulating the same body of air it started with that morning.
This is why a fully air-conditioned clinic can smell closed even when nothing about it seems neglected. If the system's fresh-air intake is minimal, or if the intake and exhaust ratio was set for energy efficiency rather than air turnover, the room is functionally similar to a sealed box with a fan in it - comfortable, quiet, and not exchanging air with the outside world in any meaningful way. Body warmth from appointments, fabric odour from towels and upholstery, and any lingering trace of cleaning products accumulate in that recirculated air the same way they would in a room with no air conditioning at all, just without the temperature discomfort that would normally prompt someone to open a window.
The setting that actually matters here - fresh-air intake ratio, duct balancing, exhaust rates - is a facilities and HVAC decision, not a fragrance one, and it is not something SOSA is positioned to advise on. If your clinic smells closed despite running the AC continuously, the conversation to have is with whoever installed or services your system: ask specifically whether the unit has a fresh-air intake or economiser setting, what ratio it's running at, and whether that ratio was chosen for energy cost or air turnover. That is a real, answerable question, and it is the one that actually changes the outcome. This is a matter for the practitioner and the facilities engineer, not something a diffuser brand can resolve from a product page.
Fragrance has no way around this. Whatever a reed diffuser or a scent machine releases into the room sits on top of whichever air the AC is actually moving - if that air is being genuinely exchanged, the fragrance behaves the way it's designed to; if the air is being recirculated in a closed loop, the fragrance simply becomes one more thing circulating in the same trapped air, alongside the smells it was meant to sit above. Running a diffuser harder, or adding a second one, does not introduce fresh air from outside; it just adds another ingredient to a system that already isn't turning over. This is the same principle that governs a stale morning, worked through in why does my clinic smell stale when I open it - source and ventilation come before fragrance, and in an air-conditioned clinic, ventilation is a setting on the AC unit rather than an open door.
None of this means air conditioning is the wrong choice for a clinic - it plainly isn't, and most premium practices run it for comfort during long appointments. It means the fragrance conversation and the HVAC conversation are two separate conversations, and a clinic that smells closed despite constant cooling needs the second one first. Ask for a clinic scenting plan once you know how your system is actually configured, and we'll size the fragrance side honestly against that.
This is why a fully air-conditioned clinic can smell closed even when nothing about it seems neglected. If the system's fresh-air intake is minimal, or if the intake and exhaust ratio was set for energy efficiency rather than air turnover, the room is functionally similar to a sealed box with a fan in it - comfortable, quiet, and not exchanging air with the outside world in any meaningful way. Body warmth from appointments, fabric odour from towels and upholstery, and any lingering trace of cleaning products accumulate in that recirculated air the same way they would in a room with no air conditioning at all, just without the temperature discomfort that would normally prompt someone to open a window.
The setting that actually matters here - fresh-air intake ratio, duct balancing, exhaust rates - is a facilities and HVAC decision, not a fragrance one, and it is not something SOSA is positioned to advise on. If your clinic smells closed despite running the AC continuously, the conversation to have is with whoever installed or services your system: ask specifically whether the unit has a fresh-air intake or economiser setting, what ratio it's running at, and whether that ratio was chosen for energy cost or air turnover. That is a real, answerable question, and it is the one that actually changes the outcome. This is a matter for the practitioner and the facilities engineer, not something a diffuser brand can resolve from a product page.
Fragrance has no way around this. Whatever a reed diffuser or a scent machine releases into the room sits on top of whichever air the AC is actually moving - if that air is being genuinely exchanged, the fragrance behaves the way it's designed to; if the air is being recirculated in a closed loop, the fragrance simply becomes one more thing circulating in the same trapped air, alongside the smells it was meant to sit above. Running a diffuser harder, or adding a second one, does not introduce fresh air from outside; it just adds another ingredient to a system that already isn't turning over. This is the same principle that governs a stale morning, worked through in why does my clinic smell stale when I open it - source and ventilation come before fragrance, and in an air-conditioned clinic, ventilation is a setting on the AC unit rather than an open door.
None of this means air conditioning is the wrong choice for a clinic - it plainly isn't, and most premium practices run it for comfort during long appointments. It means the fragrance conversation and the HVAC conversation are two separate conversations, and a clinic that smells closed despite constant cooling needs the second one first. Ask for a clinic scenting plan once you know how your system is actually configured, and we'll size the fragrance side honestly against that.
Air conditioning cools air; it doesn't automatically exchange it with the outside. A closed-loop system on recirculation can keep a room comfortable and still smell closed. That's a facilities/HVAC setting, not a fragrance one - ask about the fresh-air intake ratio before buying anything for this specific complaint.
Whatever the AC turns out to be doing, reception's fragrance choice barely changes: Morning Freshness at ₹749 for 50ml remains the right register. The fresh-air question is solved separately, upstream of this bottle.
See Morning Freshness ₹749 Ask for a clinic scenting plan
The register, unaffected by the HVAC setting
Whether the loop is open or closed, the note you choose stays the same decision.
What to buy once the air question is settled
This page's whole argument is that the products below answer a fragrance question, not an air-exchange one. Settle the facilities question first; the choice between a reed and a machine barely changes because of it.
The starting point for a one- or two-room practice
SOSA Morning Freshness
Malabar lemon with peppermint and eucalyptus on an alcohol-free, coconut-derived base. Six fibre reeds, flipped weekly. 50ml lasts 6-8 weeks at ₹749; 130ml lasts 14-18 weeks at ₹1,249. A fixed, low level all day - there is no dial for it to drift on.
From ₹749
When you want a schedule rather than a constant level
SOSA Sukoon
Ultrasonic cool-mist diffuser covering about 270-320 sq ft, 16-18 hours on the low setting, supplied with three 15ml Hotel Collection fragrances. ₹1,899. Being ultrasonic, it adds some moisture to the air.
From ₹1,899
Three things about how AC actually moves air
Understanding these three settles most of the confusion around a clean but closed-smelling clinic.
1
Cooling and exchange are different jobs
A system can do one without doing the other
Air conditioning is built to control temperature and humidity efficiently, and the most efficient way to do that is often to keep working with air that's already been cooled once rather than constantly cooling new air brought in from outside. That's why most systems default to recirculation: it costs less energy and holds temperature more precisely. It's a sound engineering choice for comfort. It is simply not the same job as exchanging the air, and a clinic can have excellent, precise, whisper-quiet climate control and very little meaningful air turnover at the same time. The two get bundled together in most people's minds because both come out of the same vents, but they are controlled by different settings inside the same unit.
Tip: If your AC has a default or 'economy' mode, assume it favours recirculation unless someone has told you otherwise.
A machine like Vaayu scents the air it's given - it has no way to tell a recirculating loop from a well-ventilated room.
See SOSA Vaayu →
2
Fresh-air intake is a specific, adjustable setting
It has a ratio, and someone chose it
Most commercial AC systems can be configured to draw a proportion of fresh air from outside alongside the recirculated air, and the size of that proportion is a real, adjustable number set during installation or servicing - not a fixed property of simply having air conditioning. A system can be installed with a very low fresh-air ratio to save on cooling costs, especially in a hot climate where every bit of outside air brought in has to be cooled from scratch. That's a legitimate trade-off for whoever manages the energy bill. It is also the exact reason a fully air-conditioned clinic can still smell closed: the fresh-air ratio may simply be set low, and nobody scenting the room can see that setting, let alone change it.
Tip: Ask your AC contractor for the fresh-air intake percentage by name - it's a specific, quotable number, not a vague description.
This setting sits entirely outside anything a reed diffuser or scent machine controls, including this one.
See Morning Freshness →
3
Fragrance can't compensate for a closed loop
It sits on top of whatever air is actually there
Whatever a diffuser releases becomes part of the air currently in the room - it does not add outside air, dilute the recirculated air, or change the exchange rate in any way. In a well-ventilated room, this works exactly as intended: the fragrance is refreshed by the same air movement that's refreshing everything else. In a closed loop, the fragrance simply joins the recirculating air, and turning the fragrance up does not create the air exchange that's missing - it just adds concentration to a system that already isn't turning over. This is the same physics as a stale morning, and it points to the same family idea: source and ventilation come before fragrance, always.
Tip: If a room needs a stronger and stronger dose over time to feel fresh, suspect the air exchange rate before suspecting the fragrance.
Changing which SOSA scent you use doesn't change how the air behaves - that's a separate decision, made well.
See Mountain Breeze →
The SOSA principle
Cooling a room and exchanging its air are two different jobs, done by two different settings on the same machine.
A fragrance answers a scent question. A closed loop is an airflow question, and it has its own answer.
Recirculation vs fresh air, plainly
Here is the distinction laid out in the terms an AC contractor would actually use.
The SOSA plan
Airflow mode vs what it does to smell
| Airflow mode | Where the air comes from | What it means for smell |
|---|---|---|
| Full recirculation | The same body of air inside the building, cooled and returned repeatedly | Odour, warmth and fragrance all accumulate together over the day |
| Partial fresh-air intake | A set percentage of outside air blended with recirculated air | Some genuine turnover; staleness builds more slowly |
| Fresh-air intake plus exhaust | Outside air drawn in, stale air actively pushed out | The closest AC setting to opening a window |
| Windows or doors open, AC off | Direct outside air, no filtration or cooling | Fast exchange, but no temperature or dust control |
| Any of the above, with a diffuser running | Fragrance layered on whichever air the room already has | The diffuser cannot create air exchange it doesn't have |
The full mechanics of supply, return and draught are worked through in how AC airflow affects fragrance distribution; the closed-building version of the same problem, without any AC involved, is why does my clinic smell stale when I open it; and the complete order of operations for any clinic odour is set out in ventilation, cleaning, moisture or fragrance: what to fix first. SOSA makes no air-quality or purification claim anywhere in this guide, and no claim that any of this affects bookings, retention or spend.
Settle the HVAC question first
We can size the fragrance side honestly once you know your system's fresh-air ratio - ask us anything in the meantime.
A diffuser can only scent the air it's given. It cannot give a room the air exchange the air conditioning was never set up to provide.
— Sonal Sahani, SOSA
As the clinic grows
Nothing on this page requires the ladder below - it's here for context, not urgency.
The SOSA position on HVAC
We make scent machines, not air-handling equipment, so this table is short on products and long on who owns what.
The SOSA osteopathy specification
Who fixes what, and in what order
| Fix | Whose job is it | Product involved | Price |
|---|---|---|---|
| Check or set the fresh-air intake ratio | AC contractor or facilities engineer | None | ₹0 |
| Balance supply and return ducts so air reaches the room, not just past it | HVAC technician | None | ₹0 |
| Choose the reception fragrance once the air question is settled | You, with staff input | Morning Freshness or Mountain Breeze | ₹749 · ₹849 |
| Hold that level on a fixed daily schedule, optional | You, once size and layout justify it | SOSA Vaayu, from about 1,500 sq ft | ₹11,999 |
Fragrance here is an interior and hospitality decision like lighting or seating, with no health, therapeutic or wellbeing claim of any kind. It works alongside cleaning, laundry and ventilation, never instead of them. Whether a treatment room carries any scent at all is the practitioner's decision, staff must be able to switch it off in seconds, and if a client asks for it to be reduced or turned off, that is the answer - never a conversation about tolerating it. Ask for a clinic scenting plan and we will size your actual floor plan.
SS
ISIPCA
Versailles
Versailles
A note from Sonal
An osteopath once told me her new clinic had cost more on air conditioning than on the fit-out, and it still smelled off by lunchtime. My first question wasn't about fragrance - it was whether anyone had checked the fresh-air setting on the system. Nobody had; it had been specified for cooling capacity, and no one had asked about air exchange separately.
That's a completely normal gap, because the two questions look like one question from outside a plant room. A vent blows cool, clean-feeling air, and it's reasonable to assume that air is also fresh. Often it isn't, technically, and there's no way to tell just by standing under the vent.
I say this knowing it doesn't sell a single diffuser, and I'd rather say it than sell one that won't work. Get the fresh-air ratio checked, and once that's settled, the fragrance decision is straightforward and we're glad to help with it. Made in India, and a portion of every order supports girl-child education through Nanhi Kali.
Frequently asked questions
Why does my fully air-conditioned osteopathy clinic sometimes smell closed?
Because air conditioning is built to control temperature, and the most efficient way to do that is often to recirculate the air already inside the room rather than constantly bringing in air from outside. A system can hold a perfectly comfortable temperature while barely exchanging the air at all, and body warmth, fabric odour and cleaning residue accumulate in that recirculated air the same way they would with no AC running.
Isn't air conditioning supposed to keep the air fresh automatically?
No - that's a common but incorrect assumption. Cooling and fresh-air exchange are controlled by separate settings on most commercial systems. A unit can run continuously and cool the room excellently while its fresh-air intake ratio is set low, usually for energy efficiency, which means very little outside air is actually entering the room.
Whose responsibility is the fresh-air setting?
Your AC contractor's or facilities engineer's, not a fragrance brand's. Ask specifically for the fresh-air intake percentage the system is running at and whether it can be increased for the patient-facing areas. That is a real, adjustable HVAC decision and it's the one that actually changes whether the clinic feels closed.
Will a stronger fragrance or a scent machine fix a clinic that smells closed under AC?
No. Fragrance sits on top of whichever air the AC is actually moving. If that air is being recirculated in a closed loop, a diffuser or scent machine simply becomes one more thing circulating in the same trapped air - it cannot introduce fresh air or increase the exchange rate. Turning the dose up only adds concentration to a system that isn't turning over.
What should I actually do if my air-conditioned clinic smells closed?
Start with your AC contractor: ask about the fresh-air intake ratio and whether duct balancing is bringing air properly into the patient-facing rooms, not just past them. Once that's addressed, the fragrance choice is straightforward - a reed diffuser like Morning Freshness at ₹749 for reception, or SOSA Vaayu at ₹11,999 if the clinic is large enough to want a scheduled level.
Two separate questions, in the right order
SOSA — Osteopathy Clinic Scenting settle the air before the scent
Ask your AC contractor about the fresh-air intake ratio first. Once that's resolved, Morning Freshness from ₹749 or SOSA Vaayu at ₹11,999 handles the fragrance side honestly. Made in India, and a portion of every order supports girl-child education through Nanhi Kali.
Ask for a clinic scenting plan → Morning Freshness · ₹749
One more look at the clinic shelf
Continue the read
More from SOSA
- Morning Freshness - the clinic default (₹749)
- SOSA Vaayu - for 1,500 sq ft and up (₹11,999)
- Why does my clinic smell stale when I open it?
- How does AC airflow affect fragrance distribution?
- Ventilation, cleaning, moisture or fragrance: what to fix first?
- Ask us: Ask for a clinic scenting plan
- 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 planning advice applies to any brand.Facts verified 5 September 2026 against the live SOSA product pages: the SOSA reed diffusers are alcohol-free, phthalate-free and paraben-free compositions on a heat-stable coconut-derived base, supplied in a refillable glass bottle with six fibre reeds, flipped weekly, with 50ml lasting 6-8 weeks and 130ml lasting 14-18 weeks, tested at 45°C and 85% relative humidity - Morning Freshness ₹749 / ₹1,249, Mountain Breeze ₹849 / ₹1,349, Evening Calm ₹799 / ₹1,299. The SOSA Boond (₹899) is an ultrasonic cool-mist diffuser for spaces up to about 150 sq ft with roughly a 6-hour fill; the SOSA Sukoon (₹1,899) is an ultrasonic cool-mist diffuser covering about 270-320 sq ft for 16-18 hours on the low setting and supplied with three 15ml Hotel Collection fragrances; the SOSA Megh (₹3,499) is a 6-litre ultrasonic diffuser rated to about 215 sq ft, a runtime machine rather than a coverage upgrade. Being ultrasonic, all three work by aerosolising water and therefore add some moisture to the air. The SOSA Vaayu (₹11,999) is a waterless cold-air nebuliser rated to 1000m³, described by the manufacturer as approximately 2,000-3,000 sq ft, with a 400ml refillable tank lasting up to about 75 days depending on intensity and run hours, Bluetooth app and onboard button control, 1h/4h/8h/24h timers, adjustable intensity, operation under 38dB, DC 12V/1A at 5W (roughly 1.5 units of electricity a month on a ten-hour daily schedule), freestanding or wall and HVAC mounting, auto-stop and key-lock, and CE, RoHS and SGS certification - which are electrical and compliance marks, not medical approval. Being waterless, it adds no moisture and leaves no residue on surfaces or equipment; refill availability should be confirmed with SOSA. The SOSA Angaan (₹25,999) is an HVAC nebulising diffuser rated to 3,000m³, roughly 8,000-10,000 sq ft, with an 800ml reservoir and operation under 42dB. SOSA products are not medical devices and no health, therapeutic or wellbeing claim is made or implied anywhere in this guide; ambient scent is an interior and hospitality decision that works alongside cleaning, laundry, ventilation and hygiene protocol and is never a substitute for any of them. Infection control, linen protocol and HVAC standards are matters for the practitioner and the facilities engineer. SOSA sells no dehumidifier, air purifier or disinfectant, and makes no air-quality, purifying, antibacterial or odour-elimination claim of any kind. Fragrance sensitivity is real: staff should be able to switch any system off in seconds, and no SOSA product is described as hypoallergenic or as safe for sensitive individuals. The hotel-inspired scents are SOSA's own original interpretations; SOSA is an independent brand and is not affiliated with, or endorsed by, any hotel named for reference. Coverage, fragrance usage and running cost depend on the space, settings and hours of use, and are confirmed on a consultation. Prices and availability are subject to change - see the live product pages.