★ SOSA home scenting
Your home smells like the best hotel you have ever stayed in, every single day, without you thinking about it once
★ ★ ★ ★ ★
★★★★★
"Our villa in Lonavala sits shut for eleven days out of fourteen, and it used to greet us with that closed-up monsoon smell. Now the machine runs an hour before we arrive and the house smells like a suite we checked into. My husband opens the door and just stands there."
SOSA Vaayu · weekend home
★★★★★
"We have a 4BHK and people over almost every Saturday. Cooking, marigolds, someone's perfume, the dog - by nine at night the ground floor used to smell like all of it at once. One scent through the entrance, living and dining fixed it. Nobody asks about it, everybody notices it."
SOSA Vaayu · entrance to dining
★★★★★
"I have been chasing that hotel-lobby smell since a stay in Bangkok in 2019. Candles, sprays, three different reed brands, none of it held past an hour. This is the first thing that made my own hallway smell that way at seven in the morning without me doing anything."
SOSA Vaayu · hallway
★★★★★
"Our interiors are deliberately bare and I refused to have plastic gadgets and wet bottles on show. The unit sits inside a console cabinet and nothing is visible at all. The house just smells expensive, which is exactly what I wanted and could not buy anywhere else."
SOSA Vaayu · concealed
★★★★★
"Two floors, and the upper landing always smelled different from the drawing room below. We scented the connected volume downstairs and put reeds in the two guest bathrooms upstairs. Walking through the house finally feels like walking through one house."
Vaayu + reed diffusers
★★★★★
"I host forty people for Diwali and about that many again in December. The old routine was lighting six candles and hoping. Now the schedule starts at five in the evening and by the time the first car pulls in, the whole ground floor smells settled and warm."
SOSA Vaayu · entertaining
★★★★★
"Our villa in Lonavala sits shut for eleven days out of fourteen, and it used to greet us with that closed-up monsoon smell. Now the machine runs an hour before we arrive and the house smells like a suite we checked into. My husband opens the door and just stands there."
SOSA Vaayu · weekend home
★★★★★
"We have a 4BHK and people over almost every Saturday. Cooking, marigolds, someone's perfume, the dog - by nine at night the ground floor used to smell like all of it at once. One scent through the entrance, living and dining fixed it. Nobody asks about it, everybody notices it."
SOSA Vaayu · entrance to dining
★★★★★
"I have been chasing that hotel-lobby smell since a stay in Bangkok in 2019. Candles, sprays, three different reed brands, none of it held past an hour. This is the first thing that made my own hallway smell that way at seven in the morning without me doing anything."
SOSA Vaayu · hallway
★★★★★
"Our interiors are deliberately bare and I refused to have plastic gadgets and wet bottles on show. The unit sits inside a console cabinet and nothing is visible at all. The house just smells expensive, which is exactly what I wanted and could not buy anywhere else."
SOSA Vaayu · concealed
★★★★★
"Two floors, and the upper landing always smelled different from the drawing room below. We scented the connected volume downstairs and put reeds in the two guest bathrooms upstairs. Walking through the house finally feels like walking through one house."
Vaayu + reed diffusers
★★★★★
"I host forty people for Diwali and about that many again in December. The old routine was lighting six candles and hoping. Now the schedule starts at five in the evening and by the time the first car pulls in, the whole ground floor smells settled and warm."
SOSA Vaayu · entertaining
✓ Ships with four hotel-inspired waterless blends included - choose your bundle at checkout ✓ Waterless cold-air nebulising to ~1000m³ · Bluetooth app and timer, so the house scents itself ✓ Reeds from ₹749 for a single bedroom or guest bathroom · made in India
Founder Diaries · Luxury Home Scenting
Why is a timer better than switching a diffuser on when you need it? Because the moment you would remember is the worst moment to start. A room that has been holding a gentle level for a while smells settled, which is the quality people read as luxurious; a room dosed heavily twenty minutes before the doorbell smells like something is actively happening. A schedule also protects the level: instead of a strong burst that fades, you get a low constant that the house's own air movement distributes evenly. And it removes the human factor entirely, which matters most on the days you are busiest - the evening you get home late, the morning guests arrive earlier than planned, the weekend nobody is thinking about the hallway.
Can I control a home scent machine from my phone? Yes. The SOSA Vaayu pairs over Bluetooth, so the schedule and the intensity are set from your phone rather than from buttons on the unit, which is useful because the unit itself is usually placed low and out of sight in a console or on a shelf inside the connected volume. Practically that means you can set the evening hours once and adjust them seasonally, raise or lower the level after someone arriving tells you honestly what they notice, and pause it when the house is empty. The setting we recommend at home is lower than the machine can run: gentle enough that guests read the house as welcoming rather than naming a fragrance.
See the Vaayu
Facts verified August 2026: The SOSA Vaayu (₹11,999) is a waterless cold-air nebulising machine covering approximately 1000m³, with Bluetooth app and timer scheduling. It ships with four hotel-inspired waterless blends included in the box, chosen as one of three bundles at purchase: Bundle A - Ritz-Carlton Inspired, Westin Inspired, St. Regis Inspired, 1 Hotels Inspired; Bundle B - Westin Inspired, Shangri-La Inspired, Four Seasons Inspired, Ritz-Carlton Inspired; Bundle C - St. Regis Inspired, W Hotels Inspired, 1 Hotels Inspired, Four Seasons Inspired. Format distinction: the Vaayu and the HVAC systems run waterless nebulising oil, while the separate SOSA Hotel Collection fragrance (15ml ₹299) is water-based and runs in the ultrasonic machines only - Boond (₹899), Sukoon (₹1,899) and Megh (₹3,499). The two fragrance formats are not interchangeable, and the Hotel Collection bottle does not go into a Vaayu. SOSA Aangan (₹25,999) and SOSA Meenar (₹38,500) are HVAC nebulising systems for approximately 8,000-10,000 sq ft and 12,000-18,000 sq ft respectively, ducted into central air-conditioning. Reed diffusers need no power and make no noise: Morning Freshness ₹749, Garden Bloom ₹799, Evening Calm ₹799, Mountain Breeze ₹849, Fresh Brew ₹849; 130ml from ₹1,249; duo sets ₹1,498, ₹1,548 and ₹1,598. Scent perception is personal and varies between people in the same room, and coverage figures assume connected air volume rather than a partitioned floor plan. Ventilation, cleaning and air-conditioning come first; fragrance is an addition to a well-kept home and never a substitute for any of them. SOSA blends are SOSA's own hotel-inspired interpretations; SOSA is an independent Indian fragrance house and is not affiliated with, endorsed by or connected to any hotel brand. Made in India, cruelty-free and vegan. A portion of every order supports girl-child education through Nanhi Kali. Ongoing fragrance supply is arranged with SOSA on WhatsApp: +91 96192 18531. Prices and availability are subject to change - see the live product pages.
Nobody in a busy household is going to remember to scent the house at half past six every evening. That is the honest reason automatic machines exist, and it is why the app and the timer, not the fragrance, are the feature you are really paying for. A schedule turns a nice smell into a property of the building - there whether or not anybody thought about it, on the ordinary Tuesday as much as the night forty people come over.
Quick answers — read this first
What is the best automatic fragrance machine for a home? For a villa, the SOSA Vaayu at Rs 11,999: a waterless cold-air nebulising machine rated at approximately 1000 cubic metres, controlled by a Bluetooth app with timer scheduling, and supplied with four hotel-inspired waterless blends in the box as Bundle A, B or C. Automatic in this context means genuinely set and forget: you choose the hours the connected living volume should be scented and the intensity, and the house repeats it daily without anyone touching anything. Because it is waterless there is no tank to fill either, which removes the other recurring task that stops most people using a diffuser consistently.Why is a timer better than switching a diffuser on when you need it? Because the moment you would remember is the worst moment to start. A room that has been holding a gentle level for a while smells settled, which is the quality people read as luxurious; a room dosed heavily twenty minutes before the doorbell smells like something is actively happening. A schedule also protects the level: instead of a strong burst that fades, you get a low constant that the house's own air movement distributes evenly. And it removes the human factor entirely, which matters most on the days you are busiest - the evening you get home late, the morning guests arrive earlier than planned, the weekend nobody is thinking about the hallway.
Can I control a home scent machine from my phone? Yes. The SOSA Vaayu pairs over Bluetooth, so the schedule and the intensity are set from your phone rather than from buttons on the unit, which is useful because the unit itself is usually placed low and out of sight in a console or on a shelf inside the connected volume. Practically that means you can set the evening hours once and adjust them seasonally, raise or lower the level after someone arriving tells you honestly what they notice, and pause it when the house is empty. The setting we recommend at home is lower than the machine can run: gentle enough that guests read the house as welcoming rather than naming a fragrance.
The short answer
Short answer: Best automatic fragrance machine for a villa: the SOSA Vaayu at Rs 11,999, waterless cold-air to approximately 1000 cubic metres, Bluetooth app and timer, four hotel-inspired waterless blends included in the box. The schedule is the real feature - the connected living volume is already scented before anyone arrives, gently and identically every day, with no tank to fill and nothing to remember. Closed bedrooms still need their own reed from Rs 749. WhatsApp +91 96192 18531.
The pick: the SOSA Vaayu (₹11,999, four hotel-inspired blends included in the box) for the connected living volume of a villa; reeds from ₹749 for a single bedroom or bathroom; a single room done properly from ₹899; the Aangan (₹25,999) ducted into central air-conditioning for genuine whole-home coverage.
Talk to us: WhatsApp +91 96192 18531 with your home's approximate size, number of floors and layout for a free sizing recommendation.
In this guide
A villa is not one room, it is a set of connected volumes and a set of closed doors, and the two need different answers. Whole-home scenting means one fragrance held evenly across the part of the house you actually live in - the entrance, the living room, the dining - running on a schedule so it is already there when someone walks through your front door, and already there when you come home yourself. The bedrooms, the guest bathroom and the study get their own quiet solutions. Nobody in the house has to remember anything.
The whole-home system
SOSA Vaayu · ₹11,999
One bedroom or bathroom
Reed diffusers from ₹749
Central air-conditioning
SOSA Aangan · ₹25,999
Straight answer
What makes a fragrance machine genuinely automatic, and why does that matter in a home?
Four things, and only one of them is the smell. 1. A schedule, not a switch. The SOSA Vaayu at ₹11,999 runs on a Bluetooth app and timer: you set the hours the connected living volume should be scented and the intensity once, and the house repeats it daily. 2. Nothing to refill mid-week. It is waterless cold-air nebulising, so there is no tank of water to top up, empty or dry out - the task that quietly kills most people's diffuser habit. 3. Started early, held low. Air scented gently for an hour reads as settled; air being dosed at the moment the doorbell rings reads as effort. A timer makes early the default. 4. The register is already in the box. Four hotel-inspired waterless blends ship with the machine, chosen as Bundle A, B or C, so the schedule can start the day it arrives. The honest limit. Automatic does not mean everywhere: approximately 1000m³ of connected air, so entrance, living, dining, passage and stairwell - and a closed bedroom still wants its own reed from ₹749. For every room the ducts reach, that is the Aangan ₹25,999. WhatsApp +91 96192 18531 to set yours up. Made in India; a portion of every order supports girl-child education through Nanhi Kali.
One line: automatic means a Bluetooth schedule plus no tank - the Vaayu ₹11,999 with four hotel-inspired blends in the box, holding the connected volume gently before anyone walks in. WhatsApp +91 96192 18531.
The whole-home answer most villa owners land on: the SOSA Vaayu - waterless cold-air scenting to ~1000m³, Bluetooth app and timer, and four hotel-inspired blends included in the box - at ₹11,999. One bedroom or a guest bathroom starts on reeds from ₹749; a single room done properly from ₹899; central air-conditioning from ₹25,999. Or WhatsApp +91 96192 18531 with your home's size, floors and layout.
₹11,999
Why the schedule is the feature you are actually buying
Three things a schedule does that no amount of fragrance can.
1
What it fixes
Consistency is the thing households cannot supply by hand
Ask anyone who has tried to keep a large house smelling good manually what actually went wrong, and it is never the fragrance. It is that Monday to Thursday nobody lit anything, the candle was in the living room but the entrance was the part that mattered, and the spray came out at the last minute before people arrived. Human beings are excellent at occasions and poor at daily repetition, which is exactly the wrong shape for a signature - a scent that appears sometimes is an event, and a scent that is always there becomes part of what your home is. A timer supplies the repetition for free. The Vaayu's app lets you set the evening hours once and forget the subject, and the result is that the hallway smells the same at eight in the morning as it does when the doorbell goes at nine at night, on the ordinary Tuesday nobody was thinking about it.
Tip: a fragrance that appears sometimes is an event. A fragrance that is always there becomes the smell of your home.
2
What it protects
Scheduling is really dose control in disguise
The second job of a timer is one people do not anticipate: it keeps you from overdoing it. Manual scenting almost always overshoots, because you only reach for the bottle when you can already smell that the house needs something, and by then you compensate hard. That is how a hallway ends up strong enough to be commented on, how a dinner table competes with the food, and how someone in the family gets a headache. A schedule inverts it - a low level held continuously through the hours the ground floor is used, so the air never falls far enough to need a rescue. In a home this matters more than in any other setting, because a household contains children, elderly parents, pregnant family members and pets who breathe this air for hours rather than minutes. We would rather you ran the machine below what it is capable of and left it there. Anyone reporting a headache is a signal to recalibrate downward, not a debate.
3
What it removes
No tank, no water, no weekly chore
Automatic breaks the moment a machine needs attending to, which is why the format matters as much as the timer. The Vaayu is a waterless cold-air nebulising machine: it atomises the blend directly rather than misting it out of a water tank, so there is nothing to fill, nothing to pour away, no damp patch on the console and no water sitting in a reservoir through an Indian monsoon. Water-based ultrasonics - the Boond ₹899, Sukoon ₹1,899 and Megh ₹3,499 - are excellent machines for a single room and the 6L Megh is specifically built for long unattended runs, but every one of them is a tank, and a tank is a task. Note the format rule while you are here: those ultrasonics run the water-based Hotel Collection from ₹299, and the Vaayu runs waterless oil and comes with its own four hotel-inspired blends. The two are not interchangeable. For ongoing Vaayu fragrance supply, message us directly.
Tip: the diffuser people actually keep using is the one that never asks them for anything.
The SOSA principle
You are not buying a smell. You are buying the hours it happens in - reliably, gently, whether or not anybody remembered.
A schedule supplies the repetition households cannot, holds the dose down, and turns a fragrance into a property of the building.
Setting yours up with SOSA
Setting the schedule, and what it should look like.
The SOSA scent edit
A sensible villa schedule
| Scent | Why it suits the mood |
|---|---|
| Weekday evenings | Running before the family is home; gentle, held, not raised at the door. |
| Weekend entertaining | Started well ahead of arrivals so the air is settled, not scenting. |
| Overnight | Off. A house asleep does not need scenting and nor do the bedrooms. |
| The machine · ₹11,999 | Vaayu, Bluetooth app and timer, four hotel-inspired blends included. |
Shop this guide
What this guide recommends for a home - tap any image to see it on the store
Where each one belongs in a home: reed diffusers from ₹749 for one bedroom, a guest bathroom or a study, with no power, no noise and nothing to maintain; Boond ₹899 or Sukoon ₹1,899 with the water-based Hotel Collection from ₹299 when you want a single room done properly; Megh ₹3,499 for a large living room or an open kitchen-dining; the SOSA Vaayu ₹11,999 for the connected living volume of a villa - entrance through living and dining, on a schedule, waterless cold-air nebulising to approximately 1000m³ with four hotel-inspired blends included in the box; and SOSA Aangan ₹25,999 ducted into central air-conditioning when you want genuine whole-home coverage across approximately 8,000-10,000 sq ft. For an estate larger than that, SOSA Meenar ₹38,500 covers approximately 12,000-18,000 sq ft on the same principle.
Not sure what your house needs? WhatsApp us on +91 96192 18531 with the approximate size, the number of floors and a line about the layout - we will size it with you.
Continue: why waterless matters in a home, the two-layer system, and the complete villa scenting guide.
A home with a signature, not five scented rooms
The Vaayu at ₹11,999 with four hotel-inspired blends in the box, reeds from ₹749, a single room from ₹899, whole-home ducted scenting from ₹25,999 - one scent, on a schedule, hands-off. WhatsApp +91 96192 18531.
The best fragrance in the world is useless at half past six on a Thursday if the person who was supposed to light it is stuck in traffic.
— Sonal Sahani, SOSA
The SOSA home edit
Whatever the house looks like, the logic is the same: one scent, sized to the volume that is genuinely connected, running on a schedule so nobody in the family has to remember it. A single bedroom or a guest bathroom is happy on reeds with no power at all; the living room you actually live in wants a machine; the whole villa with central air-conditioning wants the ducts doing the work. Every SOSA system is made in India, cruelty-free and vegan, and a portion of every order supports girl-child education through Nanhi Kali. Here is where each one belongs.
The SOSA home edit
Where each one belongs in a house - one bedroom, one living room, or the whole villa
| System | Where in a home | Why it works there | Price |
|---|---|---|---|
| Reed diffusers (Morning Freshness ₹749, Garden Bloom ₹799) | One bedroom, a guest bathroom, a study | No power, no noise, no upkeep - alcohol-free reed oil and a few sticks. Evening Calm ₹799, Mountain Breeze ₹849, Fresh Brew ₹849; 130ml from ₹1,249; duo sets ₹1,498 / ₹1,548 / ₹1,598 | from ₹749 |
| Boond or Sukoon + Hotel Collection | A single room done properly | Water-based ultrasonic cold mist for one enclosed room - a bedroom, a home office, a puja room. Runs the water-based Hotel Collection only | ₹899 / ₹1,899 + ₹299 |
| Megh (6L) | A large living room or an open kitchen-dining | The 6L ultrasonic - long unattended runs through a whole evening on one fill, for the room you actually live in | ₹3,499 |
| SOSA Vaayu ★ | The connected living volume of a villa - entrance through living and dining | Waterless cold-air nebulising to ~1000m³, Bluetooth app and timer, and four hotel-inspired blends included in the box (choose Bundle A, B or C at purchase) | ₹11,999 |
| SOSA Aangan | Genuine whole-home coverage, approx 8,000-10,000 sq ft | HVAC nebulising, ducted into central air-conditioning - one signature in every room the ducts reach, including the floors above | ₹25,999 |
Honest notes before you buy anything. Coverage ratings assume connected air volume. A machine cannot push scent through a closed bedroom door, and it never will - so a partitioned villa is not one scenting problem but several, and honest sizing means saying so out loud rather than selling you one machine and hoping. Scent the volume that is genuinely open to itself, then give the closed rooms their own quiet answer, usually a reed diffuser. Fragrance never substitutes for ventilation or cleaning. If a room smells damp, stale or of last night's cooking, open it, air it and clean it first; scent added on top of that only makes a more complicated bad smell. A home is not a lobby you pass through. Households include children, elderly parents, pregnant family members and pets, all of whom breathe this air far longer than any visitor does, which is why gentle dosing is the default at home and why the settings we suggest are lower than the machine can run. Anyone in the house reporting a headache is a recalibration signal, not a complaint to argue with - turn it down or turn it off, and tell us. The Vaayu runs waterless nebulising oil and comes with the four hotel-inspired blends; the Hotel Collection bottle is water-based and belongs in the ultrasonic machines only. The two formats are not interchangeable. SOSA blends are SOSA's own hotel-inspired interpretations; SOSA is an independent Indian fragrance house, not affiliated with or endorsed by any hotel brand. Ongoing fragrance supply for the Vaayu is arranged with us directly on WhatsApp: +91 96192 18531. A portion of every order supports girl-child education through Nanhi Kali.
SS
ISIPCA
Versailles
Versailles
A note from Sonal
There is a difference between a room that smells nice and a home that has a signature, and almost nobody is told what it is. A room that smells nice is an event: you light a candle, you spray something in the hallway before people arrive, it is lovely for forty minutes and then it is gone. Somewhere else in the house a bathroom gel is doing one thing, a kitchen spray another, and a bedroom reed a third. Four pleasant smells in four rooms is not a fragranced home. It is four rooms.
A signature is the opposite. It is one scent, sized to the house, running on a schedule - so it is already in the air when someone walks through your front door, and already there at eleven at night when you come home yourself, and nobody has lifted a finger to make it happen. That is the whole trick the great hotels use, and it is not complicated: they do not chase smells room by room, they hold one fragrance across the volume people actually move through. In a villa that usually means the entrance, the living room and the dining as one connected space, with the closed rooms handled separately and quietly.
I trained at ISIPCA in Versailles and I have sized this for houses across India, and I would rather tell you honestly that your layout needs two answers than sell you one machine that disappoints you. Message us on WhatsApp at +91 96192 18531 with your home's approximate size, the number of floors and a line about the layout - open plan, closed rooms, central air-conditioning or split units - and we will give you a free sizing recommendation. I read those descriptions myself. Everything is made in India, cruelty-free and vegan, and a part of every order funds girl-child education through Nanhi Kali. Your home gets a memory; a girl gets a classroom.
Frequently asked questions
What hours should I set the machine to run in a villa?
Match the hours the connected volume is actually used, and start earlier than feels necessary. For most households that means a block through the evening beginning before the family gets home, so the entrance and living room are already settled when the first person walks in, and switching off when the house goes to bed. Many owners add a shorter morning block so the hallway is pleasant at breakfast and when the school run leaves. On days you are entertaining, extend the start time backwards rather than raising the intensity, because the goal is air that has been quietly scented for a while rather than air being scented now. Overnight is unnecessary in almost every house, and turning it off then also gives everyone's nose a daily reset, which keeps the level honest.
Does the app need to stay connected for the schedule to run?
The schedule lives on the machine once it is set, so the app is a control panel rather than a permanent link - you pair over Bluetooth, set the hours and the intensity, and the unit repeats that pattern on its own. That is what makes it practical in a villa, where the unit is usually placed low, inside a console or on a shelf in the connected volume rather than somewhere convenient to press buttons. In practice most owners open the app twice: once at setup, and once again a few weeks later when someone arriving has told them honestly whether the house smells of nothing, of something pleasant, or of too much. If you would like help with the initial setup, message us on WhatsApp and we will walk you through it.
Can I run different schedules for different parts of the villa?
Within one machine you are scheduling one connected volume, because that is what the machine is holding - the entrance, living, dining, passage and stair void share air, so they scent and fade together. Different timing for different parts of the house is really a different-layers question: the closed rooms are already on their own independent answer, since a reed from Rs 749 simply works continuously and quietly with no schedule at all, and a Boond at Rs 899 in a bedroom has its own controls. If you genuinely want independently scheduled zones across a large villa with central air-conditioning, that is the ducted territory of the Aangan at Rs 25,999, and it is worth telling us the layout before you buy anything.
Will an automatic machine keep running when we are away for weeks?
It will follow whatever schedule you left it on, but the more useful thing is that you can change your mind from the app before you come back. For a weekend home or a villa that stands shut, the pattern owners like is simple: leave it paused while nobody is there, and set it running ahead of your arrival so the connected volume is already settled when you open the door rather than greeting you with that closed-up character. Ventilation still comes first on arrival, especially after a long shut period or through monsoon - open the house properly, run fans, open the bathrooms nobody uses. Reeds are genuinely useful in that situation too, because they keep working in closed bedrooms with no power and nobody present.
Is a timer worth paying for if I am home most of the day?
People who are home most of the day tend to value it more, not less, because they are the ones who go nose-blind. When you live in the air, you stop registering it entirely within a short time, which means you are the least reliable judge in the house of both whether it is running and how strong it is - and manual scenting by a nose-blind owner is exactly how a hallway ends up too strong. A fixed gentle schedule takes that judgement away from your adapted nose and hands it to a setting somebody chose while their nose was fresh. It also means the twenty times a day you yourself cross the hallway are quietly better, which is the part owners describe most warmly after living with it for a while.
Free home sizing
Send us your home's approximate size, how many floors it has and a line about the layout - we will tell you what it actually needs, room by room.
System sizing · choosing between the three Vaayu blend bundles · where to place the unit · arranging ongoing fragrance supply. Direct line to the SOSA team: +91 96192 18531.
The moment someone walks through your front door
SOSA — whole-home scenting for villas so your home smells like the best hotel you have ever stayed in
Set the hours once and let the house look after itself. Vaayu ₹11,999 with Bluetooth app, timer and four hotel-inspired blends in the box; reeds from ₹749 for the rooms that stay shut. WhatsApp +91 96192 18531. Made in India; a portion of every order supports girl-child education through Nanhi Kali.
See the SOSA Vaayu → WhatsApp +91 96192 18531
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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 home range; the sizing logic applies to any brand's systems.Facts verified August 2026: The SOSA Vaayu (₹11,999) is a waterless cold-air nebulising machine covering approximately 1000m³, with Bluetooth app and timer scheduling. It ships with four hotel-inspired waterless blends included in the box, chosen as one of three bundles at purchase: Bundle A - Ritz-Carlton Inspired, Westin Inspired, St. Regis Inspired, 1 Hotels Inspired; Bundle B - Westin Inspired, Shangri-La Inspired, Four Seasons Inspired, Ritz-Carlton Inspired; Bundle C - St. Regis Inspired, W Hotels Inspired, 1 Hotels Inspired, Four Seasons Inspired. Format distinction: the Vaayu and the HVAC systems run waterless nebulising oil, while the separate SOSA Hotel Collection fragrance (15ml ₹299) is water-based and runs in the ultrasonic machines only - Boond (₹899), Sukoon (₹1,899) and Megh (₹3,499). The two fragrance formats are not interchangeable, and the Hotel Collection bottle does not go into a Vaayu. SOSA Aangan (₹25,999) and SOSA Meenar (₹38,500) are HVAC nebulising systems for approximately 8,000-10,000 sq ft and 12,000-18,000 sq ft respectively, ducted into central air-conditioning. Reed diffusers need no power and make no noise: Morning Freshness ₹749, Garden Bloom ₹799, Evening Calm ₹799, Mountain Breeze ₹849, Fresh Brew ₹849; 130ml from ₹1,249; duo sets ₹1,498, ₹1,548 and ₹1,598. Scent perception is personal and varies between people in the same room, and coverage figures assume connected air volume rather than a partitioned floor plan. Ventilation, cleaning and air-conditioning come first; fragrance is an addition to a well-kept home and never a substitute for any of them. SOSA blends are SOSA's own hotel-inspired interpretations; SOSA is an independent Indian fragrance house and is not affiliated with, endorsed by or connected to any hotel brand. Made in India, cruelty-free and vegan. A portion of every order supports girl-child education through Nanhi Kali. Ongoing fragrance supply is arranged with SOSA on WhatsApp: +91 96192 18531. Prices and availability are subject to change - see the live product pages.