★ SOSA for Homes
Twenty minutes to set up, two weeks to calibrate, then it simply runs
★ ★ ★ ★ ★
★★★★★
"The app timer runs it six in the morning to eleven at night. I have not thought about it since February."
SOSA Vaayu · app and timers
★★★★★
"Duplex, so we run one on each floor on the same fragrance. Walking up the stairs nothing changes."
SOSA Vaayu · two units, one scent
★★★★★
"We open every window for twenty minutes each morning and the machine does the rest. That is the entire routine."
SOSA Vaayu · daily routine
★★★★★
"It runs at 5W. Our electricity bill did not move at all."
SOSA Vaayu · running cost
★★★★★
"The key-lock is useful with a curious four year old in the house."
SOSA Vaayu · key-lock
★★★★★
"Four fills so far this year on a ten hour schedule. I had budgeted for far more."
SOSA Vaayu · up to 75 days per fill
★★★★★
"The app timer runs it six in the morning to eleven at night. I have not thought about it since February."
SOSA Vaayu · app and timers
★★★★★
"Duplex, so we run one on each floor on the same fragrance. Walking up the stairs nothing changes."
SOSA Vaayu · two units, one scent
★★★★★
"We open every window for twenty minutes each morning and the machine does the rest. That is the entire routine."
SOSA Vaayu · daily routine
★★★★★
"It runs at 5W. Our electricity bill did not move at all."
SOSA Vaayu · running cost
★★★★★
"The key-lock is useful with a curious four year old in the house."
SOSA Vaayu · key-lock
★★★★★
"Four fills so far this year on a ten hour schedule. I had budgeted for far more."
SOSA Vaayu · up to 75 days per fill
★ The machine this guide sets up
SOSA VaayuFreestanding, wall or HVAC mountedView ₹11,999
SOSA Vaayu400ml of pure fragrance oilView ₹11,999
SOSA VaayuBluetooth app and onboard buttonsView ₹11,999
✓ Covers up to 1000m³ - about 2,000-3,000 sq ft - so one machine handles a whole floor ✓ Waterless and residue-free, under 38dB at 5W, 165 x 80.5 x 215mm, 0.9kg, auto-stop and key-lock ✓ Made in India · independent, not affiliated with any hotel · a portion funds girl-child education
Founder Diaries · Luxury Home Guides · How Expensive Homes Smell
Where should the SOSA Vaayu be placed in a house? On the air path. In most homes that is the hall or the corridor between the front door and the living room, or beside an air-conditioning return so the fragrance travels on air that is already circulating. Keep it off the floor and out of reach of children and pets; it can stand freestanding, be wall mounted or be HVAC mounted, and it has auto-stop and a key-lock. The unit is 165 x 80.5 x 215mm and weighs 0.9kg, so it sits comfortably on a console. It is ₹11,999.
What intensity should I set a home diffuser to? Lower than feels right, because your own nose adapts to a constant smell within minutes and will always tell you to turn it up. Start at a low setting, run it for a week on a long daily window, then ask the first person who walks through the door. Adjust once. On the SOSA Vaayu (₹11,999), intensity is adjustable in the app or on the unit, and a 400ml tank lasts up to 75 days depending on that setting and the run hours.
See the SOSA Vaayu Book a scenting plan
Facts verified 24 August 2026 against the live SOSA product pages: 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 at 5W, 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 mist, 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 the practical page: where the machine goes, what to fill it with, what to set it to, and what to do in the first two weeks. It takes about twenty minutes to set up and one adjustment to get right, and after that the only recurring job is refilling the tank about five times a year.
Quick answers — read this first
How do I set up a SOSA Vaayu at home? Three steps. Place it where air genuinely moves - near the entrance, along the corridor between the door and the main living space, or mounted on an air-conditioning return - rather than in a still corner. Fill the 400ml tank with pure fragrance oil and set a low intensity. Then set a long daily window using the 1h, 4h, 8h or 24h timer in the Bluetooth app or on the unit itself. It is ₹11,999, covers up to 1000m³, about 2,000-3,000 sq ft, and runs under 38dB at 5W.Where should the SOSA Vaayu be placed in a house? On the air path. In most homes that is the hall or the corridor between the front door and the living room, or beside an air-conditioning return so the fragrance travels on air that is already circulating. Keep it off the floor and out of reach of children and pets; it can stand freestanding, be wall mounted or be HVAC mounted, and it has auto-stop and a key-lock. The unit is 165 x 80.5 x 215mm and weighs 0.9kg, so it sits comfortably on a console. It is ₹11,999.
What intensity should I set a home diffuser to? Lower than feels right, because your own nose adapts to a constant smell within minutes and will always tell you to turn it up. Start at a low setting, run it for a week on a long daily window, then ask the first person who walks through the door. Adjust once. On the SOSA Vaayu (₹11,999), intensity is adjustable in the app or on the unit, and a 400ml tank lasts up to 75 days depending on that setting and the run hours.
The short answer
Short answer: place it on the air path rather than in a still corner, fill the 400ml tank, set a low intensity, and set a long daily window on the 8h or 24h timer. Calibrate once after a week using a guest's reaction rather than your own nose, then refill roughly five times a year and change nothing. The SOSA Vaayu is ₹11,999, waterless, covers up to 1000m³ and runs under 38dB at 5W.
The pick: one SOSA Vaayu (₹11,999) in the hall or corridor, low intensity, long daily window, refilled about five times a year.
Next step: send us your floor plan and where your air conditioning sits and we will confirm the placement - ask what fits your home.
In this guide
The setup takes about twenty minutes. The calibration takes two weeks, and it is one adjustment rather than continuous fiddling. After that the only recurring task in the entire system is refilling the tank.
The one product in this guide - tap to see it
Straight answer
How do you actually set up a Vaayu so a home smells expensive?
Before anything else, air and clean the house. A machine running over a bin, a slow drain, a musty wardrobe or fresh paint gives you both smells for as long as it runs. Assume the house is neutral before you start. Step one: placement. Fragrance moves with air, so put the machine where air is already moving. In most Indian homes that is the hall or the corridor between the front door and the living room, or beside an air-conditioning return, or mounted on the HVAC itself if you have ducted air. Avoid still corners, avoid directly behind furniture, and avoid pointing it straight at a sofa or a bed. Keep it off the floor and out of reach of children and pets - the Vaayu is 165 x 80.5 x 215mm and 0.9kg, so a console table works, and it can also be wall mounted. It has auto-stop and a key-lock, which is worth using if it sits somewhere accessible. Step two: fill and set the level. The Vaayu takes pure fragrance oil in its own 400ml tank. It is a waterless cold-air nebuliser, so nothing is diluted, nothing is heated and there is no mist - which is exactly why it can live near books, art, a wooden floor or upholstery without leaving residue. Set a low intensity. Not medium. Low. Step three: the schedule. Use the Bluetooth app or the buttons on the unit to set a long daily window - the 8h or 24h timer at low intensity beats short bursts every time. Start it about an hour before the household wakes and let it run to bedtime. It draws 5W and runs under 38dB, so leaving it on is neither expensive nor audible. Then calibrate, once. Live with it for a week without touching anything. Then ask the first person who walks in what they notice. If they say it smells lovely and cannot immediately name it, you are done. If they identify it as a fragrance in under two seconds, go one step lower. Do not judge it yourself: your nose adapts within minutes and will tell you to turn it up every single time. After that, the entire ongoing routine is refilling: a 400ml tank runs up to 75 days depending on intensity and hours, so roughly five fills a year. Keep one spare bottle so the house never has a gap. Want a second opinion before you set it? Ask us what fits your home.
Air path, low intensity, long window. Calibrate once with a guest's nose after a week, then refill about five times a year.
Everything here is one machine. The SOSA Vaayu is ₹11,999, waterless, rated to 1000m³ (about 2,000-3,000 sq ft), 165 x 80.5 x 215mm and 0.9kg, with 1h/4h/8h/24h timers, adjustable intensity, auto-stop and key-lock.
See the SOSA Vaayu ₹11,999 Ask what fits your home
Three ways to mount it
Wherever the air is actually moving
The machine, and what is in the box
One machine, one guide. Both pictures link to the product page if you want the full specification before you set anything up.
The machine this guide is about
SOSA Vaayu
Waterless cold-air nebuliser, ₹11,999. Rated to 1000m³ - about 2,000-3,000 sq ft. 400ml refillable tank of pure fragrance oil lasting up to 75 days. Bluetooth app and onboard buttons, 1h/4h/8h/24h timers, adjustable intensity, under 38dB, DC 12V/1A at 5W.
From ₹11,999
Small enough for a hall console
SOSA Vaayu, 165 x 80.5 x 215mm
0.9kg, freestanding, wall mounted or HVAC mounted. Auto-stop and key-lock for households with children. CE, RoHS and SGS certified, made in India.
From ₹11,999
Safe to run near the things you own
SOSA Vaayu, waterless
No water, no heat, no mist, no dampness and no residue, which is why it can run all day near books, framed art, a wooden floor or upholstery.
From ₹11,999
Setup, in three steps and about twenty minutes
Twenty minutes of work. The only decisions are where it sits, how loud it is and when it runs, and only the second one usually needs revisiting.
1
Step one - placement
Put it where the air is already going somewhere
The hall or the corridor between the front door and the living room is right for most homes, because that is the path air takes and it is where a visitor forms their impression. Beside an air-conditioning return is equally good, and if you have ducted air the unit can be HVAC mounted so the fragrance travels on airflow that already exists. Avoid still corners, alcoves behind furniture and pointing the unit directly at seating or a bed. Keep it off the floor and out of a child's reach; wall mounting solves this neatly, and the key-lock stops the settings being changed. At 165 x 80.5 x 215mm and 0.9kg it sits happily on a console.
Tip: if a curtain nearby never moves, that is the wrong spot.
The Vaayu is freestanding, wall mountable or HVAC mountable, with auto-stop and a key-lock.
See SOSA Vaayu →
2
Step two - fill and set the level
Pure fragrance oil, 400ml, and a low intensity
The Vaayu is a waterless cold-air nebuliser and takes pure fragrance oil directly in its 400ml tank. Nothing is diluted with water, nothing is heated, and there is no mist, which is why there is no dampness and no residue on wood, book spines, art or fabric. Fill the tank, seat it properly, and set the intensity low - lower than you think, because you will be tempted upward every day by your own adapted nose. A full 400ml lasts up to about 75 days depending on that intensity and the run hours, which is roughly five fills a year on a long low schedule.
400ml of pure fragrance oil, up to 75 days per fill, adjustable intensity in the app or on the unit.
See SOSA Vaayu →
3
Step three - the schedule, then leave it
A long daily window on the 8h or 24h timer
Set the machine to start about an hour before the household wakes and to stop at bedtime. Use the app over Bluetooth or the buttons on the unit itself - the timers are 1h, 4h, 8h and 24h. Resist the urge to run short strong bursts before guests: that is the one pattern guaranteed to read as preparation. At 5W and under 38dB, a long window costs roughly one and a half units of electricity a month and is quieter than the fridge, so there is no practical reason to run it any other way.
Tip: set the window once and never change it for guests.
The SOSA principle
Setting it up takes twenty minutes. Leaving it alone afterwards is the part that takes discipline, and it is the part that produces the result.
One adjustment in week two. Then nothing.
The first two weeks - calibrating, not fiddling
The first two weeks are about calibration rather than fiddling. Here is exactly what to do and when.
The SOSA plan
The first two weeks, day by day
| When | What to do |
|---|---|
|
Day 1 - setup
|
Air and clean the house first. Place the machine on the air path, fill the 400ml tank, set a low intensity and a long daily window |
|
Days 2 to 7 - do nothing
|
Resist every urge to adjust. Your own nose has already adapted and will keep telling you it is too faint. It is not |
|
Day 8 - one calibration
|
Ask the first person who walks in. Pleasant but unnameable means you are done. Instantly identifiable as a fragrance means go one step lower |
|
Day 14 onward - refill only
|
Nothing else changes. A SOSA Vaayu (₹11,999) runs a 400ml fill for up to 75 days at 5W, so the next task is roughly two months away View → |
Once the machine is running, the remaining question is which fragrance to commit to, and that is covered in our guide to building a luxury signature scent at home and in what fragrances make a home smell expensive. If you want to understand why the long low schedule matters so much, how homes keep fragrance going all day explains it properly. The wider guide is the pillar on making a home feel more expensive.
Twenty minutes to set up, then about five refills a year
SOSA Vaayu ₹11,999 - waterless, 1000m³, 400ml lasting up to 75 days, 1h/4h/8h/24h timers, under 38dB at 5W.
The hardest part of this setup is not touching it for a week. Every adjustment you make in the first few days will be the wrong one.
— Sonal Sahani, SOSA
The numbers you will want
Small, quiet, efficient and refilled about five times a year
The SOSA home specification
One machine, set up once. Air and clean the house before you switch it on, because a machine running over an unresolved smell simply runs over it all day. The Vaayu is waterless, so there is no damp and no residue on wood, books, art or textiles, and it is made in India. A portion of every order supports girl-child education through Nanhi Kali.
The SOSA home specification
One machine, and what it covers
| Machine | Best for | Why it works | Price |
|---|---|---|---|
|
SOSA Vaayu
|
A flat or single floor up to about 2,000-3,000 sq ft | 1000m³ coverage, 400ml tank lasting up to 75 days, Bluetooth app with 1h/4h/8h/24h timers, adjustable intensity, under 38dB, DC 12V/1A at 5W, auto-stop and key-lock | ₹11,999 View → |
|
SOSA Vaayu
|
A duplex, villa or second level | A second unit on the same fragrance at the same intensity and schedule, so the staircase is not a seam | ₹11,999 View → |
A few setup details worth repeating: the Vaayu takes pure fragrance oil in its own 400ml tank and is not a water-based system, so nothing is diluted and there is no mist. It is CE, RoHS and SGS certified and made in India. And the honest limit, which matters most on a setup page: this machine adds fragrance and nothing else. It is not an air purifier, it makes no health claim, and it cannot cover cooking smells, damp, a musty wardrobe, pet odour or the off-gassing of new paint and furniture. Sort those first. If you would like your placement checked before you drill anything, ask what fits your home.
SS
ISIPCA
Versailles
Versailles
A note from Sonal
The setup is genuinely twenty minutes, and almost everybody gets two things wrong. They put the machine somewhere pretty rather than somewhere the air moves, and they set the intensity by their own nose. Placement is easy to fix: hall, corridor, or beside the air-conditioning return. If a curtain near the spot never moves, it is the wrong spot.
Intensity is harder, because your nose is working against you. Within minutes of being home you stop smelling your own fragrance entirely, so every instinct says turn it up. Set a Vaayu low, run it for a week without touching it, and then let the first visitor calibrate it for you. One adjustment. That is the whole method, and it is why people are surprised at how little fragrance an expensive-smelling home is actually using.
And the honest note. This machine adds a fragrance and does nothing else. It is not an air purifier and I make no health claim for it. It will not cover cooking, damp, a musty wardrobe, pet odour or new paint and new furniture off-gassing - those need ventilation, cleaning or time, and scent on top gives you both at once. Air the house and clean it before you switch anything on. Everything is made in India, and a portion of every order supports girl-child education through Nanhi Kali.
Frequently asked questions
Where should I place the SOSA Vaayu in my home?
On the air path, not in a still corner. The hall or corridor between the front door and the living room works for most homes, and beside an air-conditioning return is equally good. With ducted air it can be mounted on the HVAC so scent travels on existing airflow. Keep it off the floor and out of reach of children and pets. It can stand freestanding, be wall mounted or be HVAC mounted, and it measures 165 by 80.5 by 215mm at 0.9kg.
What goes into the SOSA Vaayu tank?
Pure fragrance oil, in its own 400ml refillable tank. It is a waterless cold-air nebuliser, so nothing is mixed with water and nothing is heated. That is why there is no mist, no dampness and no residue, and why it is safe to run near wooden floors, book spines, framed art and upholstery. A full tank lasts up to about 75 days depending on intensity and run hours.
What timer and intensity should I start with?
A long daily window at a low intensity. Set the 8h or 24h timer to start about an hour before the household wakes and to stop at bedtime, and choose an intensity one step lower than feels right. Leave it untouched for a week, then adjust once based on what a guest notices at the door rather than on your own perception.
How often does it need refilling and what does it cost to run?
Roughly five times a year. A 400ml fill lasts up to about 75 days depending on the intensity setting and how many hours a day it runs. Electricity is negligible: it draws 5W, which is about one and a half units a month on a ten hour daily schedule, and it operates under 38dB, quieter than a fridge.
Do I need one machine per room?
No. One SOSA Vaayu is rated to 1000 cubic metres, about 2,000 to 3,000 sq ft, which covers the shared floor of most homes from a single point. A second unit only makes sense on a separate level, such as the upper floor of a duplex, and it should run the same fragrance at the same intensity so the staircase does not become a seam between two different-smelling floors.
Place it, fill it, set it, and leave it alone
SOSA — SOSA Vaayu the twenty-minute setup for a home that always smells the same
The SOSA Vaayu (₹11,999) is a waterless cold-air nebuliser covering up to 1000m³, about 2,000-3,000 sq ft, with a 400ml tank of pure fragrance oil lasting up to 75 days, Bluetooth app and 1h/4h/8h/24h timers, adjustable intensity, under 38dB at 5W, auto-stop and key-lock. CE, RoHS and SGS certified, made in India, and a portion of every order supports girl-child education through Nanhi Kali. Send us your floor plan and we will confirm the placement.
Ask us what fits your home → SOSA Vaayu · ₹11,999
One more look at the machine
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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 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 at 5W, 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 mist, 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.