★ SOSA for Hotel-Like Guest Rooms
We will size it down, explain the two systems, and tell you what to fix before you buy anything
★ ★ ★ ★ ★
★★★★★
"Half the call was about the floor trap and the mattress and the bedding. About a minute was about the product. That is why the product got bought."
SOSA Sukoon · honest advice
★★★★★
"I had a quote for a whole-home machine for one guest bedroom. SOSA told me to buy the Sukoon at Rs 1,899 and a bottle of the Hotel Collection instead. That is the reason I now buy everything from them."
SOSA Sukoon · one guest bedroom
★★★★★
"It reads like a good hotel room now, and the honest part is that most of that was the laundering and the airing. The fragrance is the last ten percent."
SOSA Sukoon · hotel-style guest room
★★★★★
"They talked me out of the mist diffuser for our Ratnagiri guest room because it gets damp in July. Waterless was the right call and they said so before taking the order."
SOSA Vaayu · humid coast
★★★★★
"Rs 1,899 plus a Rs 299 bottle for a room we use six weekends a year felt like the right amount of money to spend, and it was."
SOSA Sukoon · value
★★★★★
"My mother-in-law is asthmatic so we keep it very light and switch it off when she arrives. Nobody at SOSA tried to argue us up from that."
Hotel Collection · light setting
★★★★★
"Half the call was about the floor trap and the mattress and the bedding. About a minute was about the product. That is why the product got bought."
SOSA Sukoon · honest advice
★★★★★
"I had a quote for a whole-home machine for one guest bedroom. SOSA told me to buy the Sukoon at Rs 1,899 and a bottle of the Hotel Collection instead. That is the reason I now buy everything from them."
SOSA Sukoon · one guest bedroom
★★★★★
"It reads like a good hotel room now, and the honest part is that most of that was the laundering and the airing. The fragrance is the last ten percent."
SOSA Sukoon · hotel-style guest room
★★★★★
"They talked me out of the mist diffuser for our Ratnagiri guest room because it gets damp in July. Waterless was the right call and they said so before taking the order."
SOSA Vaayu · humid coast
★★★★★
"Rs 1,899 plus a Rs 299 bottle for a room we use six weekends a year felt like the right amount of money to spend, and it was."
SOSA Sukoon · value
★★★★★
"My mother-in-law is asthmatic so we keep it very light and switch it off when she arrives. Nobody at SOSA tried to argue us up from that."
Hotel Collection · light setting
★ What we would actually put in one guest bedroom
SOSA SukoonOne guest bedroom, 500ml and a timerView ₹1,899
Hotel Collection fragranceThe water-based fragrance it runs onView ₹299
SOSA VaayuOnly when it is a whole floorView ₹11,999
✓ We will size it down, not up - one guest bedroom needs a ₹1,899 machine, not an ₹11,999 one ✓ And we will tell you to open the window, launder the bedding and wet the bathroom trap before we sell you anything ✓ Made in India · independent, not affiliated with any hotel · a portion funds girl-child education
Founder Diaries · Home Problems · Guest Rooms and Unused Spaces
Does SOSA recommend a big machine for a guest bedroom? No, and we will say so on the call. One guest bedroom is a small volume of air, and the honest answer is a SOSA Sukoon at ₹1,899 with a bottle of the water-based Hotel Collection fragrance from ₹299. The SOSA Vaayu at ₹11,999 is a waterless machine rated to 1000m³, about 2,000-3,000 sq ft, and it earns its price across a guest wing or a whole floor - not behind one door. Over-specifying is easy to spot and it is not how we want to sell anything.
Are SOSA's hotel-inspired fragrances connected to actual hotels? They are SOSA's own original interpretations of the style of scenting you meet in good hotels - clean, low, consistent and unsweetened. SOSA is an independent Indian brand and is not affiliated with, or endorsed by, any hotel or hotel group. What we have borrowed is the method, not anybody's formula.
See the SOSA Sukoon Book a scenting plan
Facts verified 24 August 2026 against the live SOSA product pages: The SOSA Sukoon (₹1,899) is a 500ml ultrasonic cool-mist diffuser with a timer, sized for a single room, and it runs on water plus the water-based Hotel Collection fragrance (from ₹299). Because it mists water it also adds humidity to the room it is in, which is why it is a different system from the waterless Vaayu and why the two do not share fragrance. The SOSA Hotel Collection fragrance (from ₹299) is a water-based fragrance made for ultrasonic diffusers such as the Sukoon, and is available in 15ml, 100ml and 300ml. It is not the pure fragrance oil the waterless Vaayu uses. 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 with adjustable intensity, operation under 38dB, DC 12V/1A at 5W, dimensions 165 x 80.5 x 215mm at 0.9kg, freestanding or wall and HVAC mounting, auto-stop and key-lock, and CE, RoHS and SGS certification. It uses no water and no heat, so there is no dampness and no residue. Scent enhances the ambience and perceived quality of a space; it works alongside proper ventilation and cleaning and is not a substitute for either, and SOSA makes no claim that fragrance alone influences a purchase decision. 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.
This is a question about us, so it deserves a straight answer rather than a brochure. Most of what makes a hotel room feel like a hotel room has nothing to do with fragrance, and a consultation that pretends otherwise is not worth having. Here is what we actually do, what we will tell you to fix before you buy anything, and where our products genuinely help.
Quick answers — read this first
How can SOSA help create a hotel-like guest room experience? By being honest about where the hotel feeling comes from. Most of it is housekeeping and airflow - linen laundered hot and dried fully, a room that is aired rather than sealed, hard uncluttered surfaces, a bathroom whose floor trap always holds water - and we will walk you through that first. Then the fragrance part, which is the last ten percent: one clean, unsweetened profile held at a low level and identical every visit. For a single guest bedroom that is a SOSA Sukoon (₹1,899) with the water-based Hotel Collection fragrance (from ₹299). SOSA is an independent Indian brand and is not affiliated with, or endorsed by, any hotel.Does SOSA recommend a big machine for a guest bedroom? No, and we will say so on the call. One guest bedroom is a small volume of air, and the honest answer is a SOSA Sukoon at ₹1,899 with a bottle of the water-based Hotel Collection fragrance from ₹299. The SOSA Vaayu at ₹11,999 is a waterless machine rated to 1000m³, about 2,000-3,000 sq ft, and it earns its price across a guest wing or a whole floor - not behind one door. Over-specifying is easy to spot and it is not how we want to sell anything.
Are SOSA's hotel-inspired fragrances connected to actual hotels? They are SOSA's own original interpretations of the style of scenting you meet in good hotels - clean, low, consistent and unsweetened. SOSA is an independent Indian brand and is not affiliated with, or endorsed by, any hotel or hotel group. What we have borrowed is the method, not anybody's formula.
The short answer
Short answer: by starting with what the room actually needs rather than with a product. A SOSA consultation asks what the room smells like, sizes the machine down rather than up, explains the difference between the waterless and ultrasonic systems so you do not buy the wrong fragrance, gives you the airing and laundering routine that does most of the work, and says plainly when the answer is to spend nothing.
The pick: for one guest bedroom, a SOSA Sukoon (₹1,899) with the water-based Hotel Collection fragrance (from ₹299). The waterless SOSA Vaayu (₹11,999) only when it is a wing or a floor. SOSA is independent and not affiliated with any hotel.
Next step: tell us the size of the room, how often it is used and what it currently smells like, and we will tell you what to fix first - ask us what fits your home.
In this guide
The consultation is free and most of it is not about products. The hotel feeling comes from housekeeping and airflow first, and our job is to be honest about which part of it a machine can and cannot do.
The shortlist for a guest room - tap to see them
For one guest bedroom
SOSA Sukoon · ₹1,899
The hotel method explained
Making a guest room feel like a hotel
Talk to us first
Free home scenting advice
Straight answer
What does SOSA actually do to help with a guest room?
Five things, in this order. We ask what the room smells like before we ask what you want to buy. Stale and closed is a ventilation problem. Sewer-like near the bathroom is a dried-out floor trap and costs nothing to fix. Musty and mushroomy is moisture and microbial growth, and that needs finding, drying and cleaning rather than any product. Those three answers lead to three completely different conversations, and only one of them ends in a machine. We size it down, not up. And the sizing point, which matters more than any of this. One guest bedroom does not need a whole-home machine. Putting an ₹11,999 machine rated for 2,000-3,000 sq ft into a 12 by 12 room is over-specifying, and you would spend six times more than the room needs. The whole-home machine earns its price when there are several rooms, a corridor and a floor to hold, not when there is one door. For one guest bedroom the honest recommendation is a SOSA Sukoon at ₹1,899 with a bottle of the water-based Hotel Collection fragrance from ₹299. The SOSA Vaayu at ₹11,999 is a different proposition - waterless, rated to 1000m³ or about 2,000-3,000 sq ft, with app schedules and a key-lock - and it earns its price across a guest wing or a whole floor. We explain the two systems, because people buy the wrong fragrance constantly. One technical point decides which machine belongs in a guest room. The Sukoon is ultrasonic: it mists water plus the water-based Hotel Collection fragrance (from ₹299), which is why it suits one dry room you open regularly and why it adds a little humidity to that room. The Vaayu is a completely different system: it is waterless, nebulising pure fragrance oil from a 400ml tank and adding no moisture at all, which is what makes it the right machine for a whole floor or for rooms that stay shut for weeks. They do not share fragrance and they are not interchangeable. We give you the routine, which is free. Cross-ventilate with the window and the door open together, launder the bedding on the day and dry it completely, wipe the surfaces, run the bathroom taps and pour water into the floor trap, stand the mattress up and air the pillows, then scent about 30 to 45 minutes before your guest arrives so it has settled rather than smelling switched-on. That routine is most of the hotel feeling. Fragrance does not remove odour molecules. It adds fragrance on top of them, so scent sprayed into a shut guest room gives you both smells at once, and a guest walking in reads that instantly as a room that was covered up rather than opened up. A diffuser is not an air purifier. It does not disinfect, dehumidify or remove off-gassing, and it makes no health claim. Open the room, move the air, launder the bedding, wet the bathroom trap, and scent only after all of that. And we tell you when to spend nothing. If the room is damp, One honest warning about the ultrasonic machine, because it decides whether it is the right tool for your room. It holds water. Do not leave water standing in the tank in a room nobody enters - empty it between visitors, rinse it and let it dry. And in a damp or monsoon-affected room a water-based mist diffuser is the wrong choice altogether, because it adds humidity to a room whose problem is already humidity. There the right answer is drying and airing the room properly, and if you want a machine running in it, a waterless one. If somebody staying has asthma or a fragrance sensitivity, we will tell you to leave the room unscented and air it well, because that is the better guest room. On the hotel question itself: SOSA's hotel-inspired fragrances are our own original interpretations of a style of scenting, composed in our own studio. SOSA is an independent Indian brand and is not affiliated with, or endorsed by, any hotel or hotel group. What we have taken from hotels is the method - one clean profile, low, and identical every single day - not anybody's formula. A free home scenting plan is genuinely free and comes with no obligation, and a portion of every order supports girl-child education through Nanhi Kali.
We ask what it smells like, size it down rather than up, explain the two systems, hand you the free routine, and tell you honestly when the answer is to buy nothing.
For one guest bedroom, what we would send is small: a SOSA Sukoon at ₹1,899, a 500ml ultrasonic cool-mist diffuser with a timer, plus a bottle of the water-based Hotel Collection fragrance from ₹299. That is the whole system. The ₹11,999 machine is for a wing, and we will say so.
See the SOSA Sukoon ₹1,899 Ask what fits your home
What we would send
One room, one small machine, one bottle - and the routine that comes free
What we would send for a hotel-like guest room
For one guest bedroom this is a short list, deliberately. The machine and the fragrance together cost less than most people expect, and the routine that does most of the work costs nothing at all.
What we recommend for one guest bedroom
SOSA Sukoon
500ml ultrasonic cool-mist diffuser with a timer, sized for a single room. Run it low and on the timer rather than continuously, place it away from the bed head, and empty, rinse and dry the tank between visitors. Dry rooms only - it mists water.
₹1,899 · fragrance from ₹299
Our own interpretation of the hotel register
SOSA Hotel Collection fragrance
Water-based fragrance for ultrasonic diffusers, in 15ml, 100ml and 300ml. Clean, low and unsweetened, composed in our own studio. SOSA is an independent Indian brand and is not affiliated with, or endorsed by, any hotel.
From ₹299
When it is a wing, not a room
SOSA Vaayu
Waterless cold-air nebuliser at ₹11,999, rated to 1000m³, with app schedules, key-lock and a 400ml tank lasting up to about 75 days. We recommend it for a guest wing, a whole floor, or a house where rooms stay shut for weeks - not for a single bedroom.
From ₹11,999
What we actually do on a consultation, in order
Three things we do on every consultation, and the third is the one that costs us sales and earns the trust.
1
We size it down
One bedroom is a ₹1,899 machine, not an ₹11,999 one
The quickest way to lose a reader's trust is to recommend a whole-home machine for a spare bedroom, and people can tell. A single guest room is one small volume of air behind a closed door, and a 500ml ultrasonic diffuser with a timer is genuinely the right tool for it. We only move you up when the count of rooms or the size of the connected space justifies it: a guest wing, a floor, or a house where several rooms stay shut and you would otherwise end up with four tanks of water standing in rooms nobody enters. If you arrive wanting to spend more than the room needs, we will tell you what the difference actually buys, which in one bedroom is very little.
Tip: if a supplier recommends a 2,000 sq ft machine for a 150 sq ft room, ask them why.
The Sukoon at ₹1,899 is what we would put in one guest bedroom, with a bottle of the water-based fragrance from ₹299.
See SOSA Sukoon →
2
We explain the two systems
Because the wrong fragrance in the wrong machine is a common, avoidable mistake
This is the single most useful thing we tell people, and it is technical rather than commercial. The Sukoon, like most home diffusers, is ultrasonic: it mists water plus a water-based fragrance, and it adds a little humidity to the room. That is fine in a dry bedroom you open regularly, and it is exactly wrong in a damp or monsoon-affected one, where you would be adding the very thing causing the smell. The Vaayu is waterless: it nebulises pure fragrance oil, adds no moisture at all, and holds nothing that can stand in a tank. The two do not share fragrance, and you cannot pour Hotel Collection into a Vaayu or oil into a Sukoon. Knowing that before you order saves people a wasted bottle and a lot of frustration.
The waterless Vaayu is the honest recommendation in a humid house even though it costs more. That is technical, not commercial.
See SOSA Vaayu →
3
We tell you what to fix first
Including when the honest answer is to buy nothing
Every consultation starts with what the room smells like, because that determines everything. Stale and closed means the room needs air exchange, and a fortnightly hour with the window and door open will do more than anything we sell. A drain-like note near the bathroom means a floor trap has dried out, and a mug of water fixes it for nothing. Musty and mushroomy means moisture, and that needs drying, washing and possibly a search for a leak - never a mist diffuser. And if somebody staying has asthma, a fragrance sensitivity or a migraine history, we will tell you to leave the room unscented and air it thoroughly, because a well-aired unscented room is a better guest room than a scented one.
Tip: the free advice is the product. If you follow it and never buy anything, we have still done our job.
When the room is genuinely ready, the water-based Hotel Collection fragrance from ₹299 is the finishing layer.
See Hotel Collection fragrance →
The SOSA principle
The most useful thing we do on most calls is talk somebody out of the bigger machine and into a mug of water down the bathroom floor trap.
A consultation that only ever ends in a sale is not a consultation.
What you want, and what we would actually recommend
People arrive with different versions of the same wish. Here is what we would actually recommend for each, including the row where we recommend nothing.
The SOSA plan
What you want, and what we would actually recommend
| Your guest room | What it actually needs |
|---|---|
|
One guest bedroom that should feel like a good hotel room
|
The free routine first, then a SOSA Sukoon (₹1,899) with the water-based Hotel Collection fragrance from ₹299, set low and run on the timer. View → |
|
The right fragrance for a room somebody sleeps in
|
A clean, unsweetened profile from the Hotel Collection range, from ₹299 - linen, white tea, light woods. Nothing sweet or heavy in a small warm bedroom. View → |
|
Several guest rooms, a wing, or a house that stays shut
|
One waterless SOSA Vaayu (₹11,999) on the corridor air path, 1000m³, on an app schedule. Nothing standing in a tank anywhere in the house. View → |
|
A damp room, or a guest with asthma or a fragrance sensitivity
|
Nothing from us. Dry and air the room, or leave it unscented and ventilate it well. We would rather say that than take the order. |
If you want the reasoning behind the hotel method rather than the consultation itself, how to make a closed guest bedroom smell like a luxury hotel sets out what hotels actually do and why consistency beats strength. The choice of profile for a room somebody sleeps in is in the best fragrance for a guest bedroom before visitors arrive, and the whole thing is pulled together in the SOSA luxury guest bedroom fragrance guide. The house-wide question is why your house doesn't smell fresh even after cleaning. One technical point decides which machine belongs in a guest room. The Sukoon is ultrasonic: it mists water plus the water-based Hotel Collection fragrance (from ₹299), which is why it suits one dry room you open regularly and why it adds a little humidity to that room. The Vaayu is a completely different system: it is waterless, nebulising pure fragrance oil from a 400ml tank and adding no moisture at all, which is what makes it the right machine for a whole floor or for rooms that stay shut for weeks. They do not share fragrance and they are not interchangeable.
Ask us before you buy, not after
SOSA Sukoon ₹1,899 with the water-based Hotel Collection fragrance from ₹299 - what we would actually send for one guest bedroom.
We would rather tell you to pour a mug of water down the bathroom drain than sell you a machine that cannot fix what that fixes.
— Sonal Sahani, SOSA
What we will tell you first
Air it, launder it, wet the bathroom trap - then think about buying
The SOSA specification for a guest room
For one guest bedroom the list is short and inexpensive, and the routine that does most of the work is free. The whole-floor machine is here only so we can be clear about when it is and is not the right recommendation. SOSA's hotel-inspired fragrances are our own original interpretations; we are an independent Indian brand and are not affiliated with, or endorsed by, any hotel. A portion of every order supports girl-child education through Nanhi Kali.
The SOSA specification for a guest bedroom
One room, one small machine - and the whole-home machine only when it is a whole home
| Machine | Best for | Why it works | Price |
|---|---|---|---|
|
SOSA Sukoon
|
One dry guest bedroom, opened and used from time to time | 500ml ultrasonic cool-mist diffuser with a timer at ₹1,899, running on water plus the water-based Hotel Collection fragrance from ₹299. It adds humidity, so it is for a dry room, and the tank should be emptied between visitors | ₹1,899 View → |
|
SOSA Vaayu
|
Several guest rooms, a guest wing or a whole floor | Waterless, so no standing water and no added moisture. 1000m³ coverage, about 2,000-3,000 sq ft, 400ml tank up to about 75 days, app timers, under 38dB, auto-stop and key-lock | ₹11,999 View → |
SOSA's hotel-inspired fragrances are our own original interpretations of a style of scenting, composed in our own studio. SOSA is an independent Indian brand and is not affiliated with, or endorsed by, any hotel or hotel group. On the consultation itself: it is free, it comes with no obligation, and a good part of it is usually about airing, laundering and plumbing rather than products. Fragrance does not remove odour molecules. It adds fragrance on top of them, so scent sprayed into a shut guest room gives you both smells at once, and a guest walking in reads that instantly as a room that was covered up rather than opened up. A diffuser is not an air purifier. It does not disinfect, dehumidify or remove off-gassing, and it makes no health claim. Open the room, move the air, launder the bedding, wet the bathroom trap, and scent only after all of that. And the sizing point, which matters more than any of this. One guest bedroom does not need a whole-home machine. Putting an ₹11,999 machine rated for 2,000-3,000 sq ft into a 12 by 12 room is over-specifying, and you would spend six times more than the room needs. The whole-home machine earns its price when there are several rooms, a corridor and a floor to hold, not when there is one door. One honest warning about the ultrasonic machine, because it decides whether it is the right tool for your room. It holds water. Do not leave water standing in the tank in a room nobody enters - empty it between visitors, rinse it and let it dry. And in a damp or monsoon-affected room a water-based mist diffuser is the wrong choice altogether, because it adds humidity to a room whose problem is already humidity. There the right answer is drying and airing the room properly, and if you want a machine running in it, a waterless one. Tell us about the room - its size, how often it is used, whether it has an attached bathroom and what it currently smells like - and we will give you the honest answer.
SS
ISIPCA
Versailles
Versailles
A note from Sonal
When someone asks how we can help with a guest room, the useful answer starts with what we will not do. We will not recommend a whole-home machine for one bedroom. We will not tell you that fragrance fixes a musty room, because it does not. And we will not pretend that the hotel feeling comes from a diffuser, because it comes from linen washed hot and dried completely, a room that is aired rather than sealed, and a bathroom whose taps run every day.
What we do is smaller and more useful. We ask what the room smells like, which usually tells us whether you need a machine at all. We size it down: one guest bedroom is a Sukoon at ₹1,899 with a bottle of the water-based Hotel Collection fragrance from ₹299, not an ₹11,999 Vaayu, which is a waterless machine built for a whole floor. And we explain the two systems, because the wrong fragrance in the wrong machine is the most common avoidable mistake we see.
On the hotel question, plainly: SOSA's hotel-inspired fragrances are our own original interpretations of a style of scenting, composed in our own studio. SOSA is an independent Indian brand and is not affiliated with, or endorsed by, any hotel or hotel group. What we borrowed is the method - one clean profile, kept low, identical every day, over a room that was cleaned and aired first. That method is free, and you are welcome to it whether or not you ever buy anything from us. A portion of every order supports girl-child education through Nanhi Kali.
Frequently asked questions
How can SOSA help create a hotel-like guest room experience?
By starting with the parts that are not fragrance. We will ask what the room currently smells like, give you the routine that does most of the work - cross-ventilation, laundering the bedding on the day, wiping down, water into the bathroom floor trap, airing the mattress - and then recommend the smallest machine that suits the room. For one guest bedroom that is a SOSA Sukoon at Rs 1,899 with the water-based Hotel Collection fragrance from Rs 299, run low and on a timer.
Is SOSA affiliated with any hotel?
They are SOSA's own original interpretations of the style of scenting you meet in good hotels - clean, low, consistent and unsweetened. SOSA is an independent Indian brand and is not affiliated with, or endorsed by, any hotel or hotel group. What we have borrowed is the method, not anybody's formula.
Will SOSA recommend an expensive machine for one guest room?
No. One guest bedroom is a small volume of air and the honest recommendation is the SOSA Sukoon at Rs 1,899 with a bottle of the water-based Hotel Collection fragrance from Rs 299. The SOSA Vaayu at Rs 11,999 is waterless and rated to 1000 cubic metres, about 2,000 to 3,000 sq ft, and it earns its price across a guest wing or a whole floor. Putting it behind one bedroom door is over-specifying.
Is the SOSA consultation free, and what happens on it?
It is free and there is no obligation. We ask about the room - its size, how often it is used, whether it has an attached bathroom and what it smells like now - and most of the conversation is usually about airing, laundering and the bathroom floor trap rather than products. If the honest answer is that you do not need a machine, we will say so.
What is the difference between the SOSA Sukoon and the SOSA Vaayu?
They are two different systems. The SOSA Sukoon (Rs 1,899) is an ultrasonic cool-mist diffuser: it mists water plus the water-based Hotel Collection fragrance (from Rs 299) and adds a little humidity to the room, which is fine in one dry bedroom you open regularly. The SOSA Vaayu (Rs 11,999) is waterless: it nebulises pure fragrance oil from a 400ml tank and adds no moisture, which suits a whole floor or a room that stays closed for weeks. The fragrances are not interchangeable between them.
Ask us what the room actually needs
SOSA — Guest Room Scenting for guest bedrooms, guest suites and rooms that stay shut
For one guest bedroom we would send the SOSA Sukoon (₹1,899), a 500ml ultrasonic cool-mist diffuser with a timer, and a bottle of the water-based Hotel Collection fragrance from ₹299 - not an ₹11,999 whole-home machine. SOSA is an independent Indian brand and is not affiliated with any hotel. Made in India, and a portion of every order supports girl-child education through Nanhi Kali.
Ask us what fits your home → SOSA Sukoon · ₹1,899
One more look at the shortlist
Continue the read
More from SOSA
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 24 August 2026 against the live SOSA product pages: The SOSA Sukoon (₹1,899) is a 500ml ultrasonic cool-mist diffuser with a timer, sized for a single room, and it runs on water plus the water-based Hotel Collection fragrance (from ₹299). Because it mists water it also adds humidity to the room it is in, which is why it is a different system from the waterless Vaayu and why the two do not share fragrance. The SOSA Hotel Collection fragrance (from ₹299) is a water-based fragrance made for ultrasonic diffusers such as the Sukoon, and is available in 15ml, 100ml and 300ml. It is not the pure fragrance oil the waterless Vaayu uses. 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 with adjustable intensity, operation under 38dB, DC 12V/1A at 5W, dimensions 165 x 80.5 x 215mm at 0.9kg, freestanding or wall and HVAC mounting, auto-stop and key-lock, and CE, RoHS and SGS certification. It uses no water and no heat, so there is no dampness and no residue. Scent enhances the ambience and perceived quality of a space; it works alongside proper ventilation and cleaning and is not a substitute for either, and SOSA makes no claim that fragrance alone influences a purchase decision. 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.