★ SOSA Vaayu · Independent Home & Bungalow Scenting
The signature scent that makes a home you spent years building feel truly extraordinary - one clean, hotel-inspired fragrance across the whole floor
★ ★ ★ ★ ★
★★★★★
"We spent years building this house, and the Vaayu was the finishing touch that made it feel extraordinary - the whole ground floor smells like a five-star lobby."
SOSA Vaayu · independent house
★★★★★
"Our bungalow is spread over three floors, so we run one on each floor. Every level smells consistent and clean now."
SOSA Vaayu · multi-storey bungalow
★★★★★
"We set it up before our griha pravesh and every guest said the house smelled amazing. Best purchase we made for the new home."
SOSA Vaayu · griha pravesh
★★★★★
"After all the construction and paint smell finally aired out, the Vaayu gave the house its own signature scent from day one."
SOSA Vaayu · newly built home
★★★★★
"Our large family home stays busy all day. One signature scent across the living areas, no clutter of diffusers everywhere - it just works."
SOSA Vaayu · large family home
★★★★★
"Our double-height living room used to swallow every reed diffuser. The Vaayu is the first thing that actually fills the volume."
SOSA Vaayu · dream home
★★★★★
"We spent years building this house, and the Vaayu was the finishing touch that made it feel extraordinary - the whole ground floor smells like a five-star lobby."
SOSA Vaayu · independent house
★★★★★
"Our bungalow is spread over three floors, so we run one on each floor. Every level smells consistent and clean now."
SOSA Vaayu · multi-storey bungalow
★★★★★
"We set it up before our griha pravesh and every guest said the house smelled amazing. Best purchase we made for the new home."
SOSA Vaayu · griha pravesh
★★★★★
"After all the construction and paint smell finally aired out, the Vaayu gave the house its own signature scent from day one."
SOSA Vaayu · newly built home
★★★★★
"Our large family home stays busy all day. One signature scent across the living areas, no clutter of diffusers everywhere - it just works."
SOSA Vaayu · large family home
★★★★★
"Our double-height living room used to swallow every reed diffuser. The Vaayu is the first thing that actually fills the volume."
SOSA Vaayu · dream home
✓ Cold-air (waterless) - a true, hotel-strength scent across a large open home ✓ One signature scent, no clutter of diffusers in every room ✓ Covers up to 1000m3 (about 2000-3000 sq ft) per floor · ships with four hotel-inspired oils · made in India
Founder Diaries · Independent Home & Bungalow Scenting Guides
Is there a fixed monthly running cost for a scent machine? No, and it would be dishonest to quote one. Fragrance use depends on your intensity setting and daily run hours, so the cost varies. The honest anchor is that a 400ml tank lasts up to about 75 days, which makes refills occasional, and electricity use is minimal.
Do you have to buy a subscription to keep it running? No. Every SOSA machine is a one-time purchase and ships with its first tank of oils. There is no compulsory subscription - you buy fragrance only when a tank runs low, and only the scent you want.
Shop Vaayu ₹11,999
Facts verified August 2026 (SOSA Vaayu product page): The Vaayu is a waterless cold-air diffuser priced at ₹11,999, and each machine ships with four SOSA Hotel Collection fragrance oils of 100ml each (400ml total, about one full tank). It atomises alcohol-free, water-free fragrance oil into a dry nano-mist covering up to 1000m3 (about 2000 to 3000 sq ft), with a 400ml tank that lasts up to about 75 days depending on the intensity setting and daily run hours, 1h/4h/8h/24h timers, Bluetooth app control and under-38dB operation. Fragrance is sized to the volume of air, not just the floor area, so a very large or double-height floor may need the larger Angaan (₹25,999, ~8,000-10,000 sq ft) or Meenar (₹38,500, ~12,000-18,000 sq ft), and a multi-storey bungalow generally needs one machine per floor - scent does not travel up a staircase between floors on its own. A signature scent enhances a clean, well-ventilated home and works alongside good ventilation; it does not remove a musty or closed-up smell, and in a newly built or newly renovated home it is not a substitute for airing out paint, polish and construction fumes, which should be ventilated and allowed to off-gas before a signature scent is introduced. SOSA makes no medical or air-purification claims. The hotel-inspired scents are SOSA's own original interpretations; SOSA is independent and not affiliated with, or endorsed by, any hotel named for reference. Prices and availability are subject to change - see the live product pages.
The reassuring truth about keeping a large home fragranced is that the ongoing cost is small and occasional - the real spend is the one-time machine, not a monthly bill.
Quick answers — read this first
How much does it cost to keep a large house fragranced every month? The ongoing cost is small and occasional rather than a fixed monthly bill. The main spend is one-time: a SOSA Vaayu is Rs 11,999 per open floor and ships with four oils. After that you add fragrance only when a tank runs low - a 400ml tank lasts up to about 75 days depending on intensity and hours, so refills fall roughly every 2 to 2.5 months at typical settings. Oils start at Rs 299, electricity use is minimal, and there is no compulsory subscription. A multi-storey home runs one machine per floor. Made in India.Is there a fixed monthly running cost for a scent machine? No, and it would be dishonest to quote one. Fragrance use depends on your intensity setting and daily run hours, so the cost varies. The honest anchor is that a 400ml tank lasts up to about 75 days, which makes refills occasional, and electricity use is minimal.
Do you have to buy a subscription to keep it running? No. Every SOSA machine is a one-time purchase and ships with its first tank of oils. There is no compulsory subscription - you buy fragrance only when a tank runs low, and only the scent you want.
The short answer
Short answer: the running cost is small and occasional, not a fixed monthly bill - the main spend is the one-time Vaayu (Rs 11,999 per floor, ships with four oils), then fragrance only when a 400ml tank runs low (up to ~75 days), oils from Rs 299, electricity minimal, no compulsory subscription.
The pick: one SOSA Vaayu (₹11,999) for an open floor up to ~2000-3000 sq ft (1000m3), with a hotel-inspired signature scent; one per floor of a bungalow, and the Angaan (₹25,999) for a very large or double-height floor.
Next step: shop the SOSA Vaayu, or book a quick consultation to size a large or multi-storey home.
In this guide
Scenting a large independent home well is two decisions: one signature fragrance, and a machine sized to the space. A single SOSA Vaayu cold-air diffuser fills an open floor of up to about 1000m3 (roughly 2000-3000 sq ft) with a clean, hotel-inspired scent, on a timer. A multi-storey bungalow is simply one machine per floor - fragrance is about the volume of air, and it does not travel up a staircase on its own - and a very large or double-height floor may step up to the larger Angaan. In a newly built home, air out the construction and paint smell first, then let the signature scent do the beautiful part. When in doubt, a quick consultation sizes it for you.
The large-home hero
SOSA Vaayu · ₹11,999
For a very large floor
SOSA Angaan · ₹25,999
Large or multi-storey?
Get it sized for you
Straight answer
What does it really cost each month to keep a big home smelling great?
Less than most people expect, and it is not really a monthly figure. The main spend is one-time: a SOSA Vaayu is ₹11,999 per open floor and ships with four oils, so fragrance is included to begin with. After that you add fragrance only when a tank runs low - a 400ml tank lasts up to about 75 days depending on intensity and daily hours, so refills fall roughly every 2 to 2.5 months at typical settings, not every month. Oils start at ₹299, electricity use is minimal for a low-power cold-air unit, and there is no compulsory subscription. A multi-storey home runs one machine per floor, so scale the fragrance by the number of machines. A quick consultation works out the exact rhythm for your home.
The running cost is small and occasional. After the one-time Vaayu (Rs 11,999, ships with four oils), you add fragrance only when a 400ml tank runs low - up to about 75 days - so refills fall roughly every 2 to 2.5 months. Electricity is minimal, no compulsory subscription.
For most homes the answer is one SOSA Vaayu - a waterless cold-air diffuser that carries a clean, hotel-inspired signature scent across an open floor of up to about 2000-3000 sq ft, on a timer, from one discreet machine. A multi-storey bungalow is one per floor, and a very large or double-height floor is sized up to the larger Angaan. It ships with four hotel-inspired oils, so you can find your signature from day one.
Shop Vaayu
What the monthly running cost really looks like
It would be easy - and dishonest - to print a neat monthly rupee figure. The truth is that fragrance use depends on how you run the machine, so instead of a made-up number, here is how to reason about the real, small ongoing cost.
1
The machine is the main cost
One-time, per open floor
The largest spend by far is the Vaayu itself at Rs 11,999 per open floor - a one-time purchase, not a recurring charge. A multi-storey home buys one per floor once, and then the ongoing cost is only fragrance.
Tip: the real spend is the one-time machine, not a monthly bill.
2
Fragrance is occasional
A tank lasts up to ~75 days
A 400ml tank lasts up to about 75 days depending on your intensity setting and daily run hours, so refills come roughly every 2 to 2.5 months at typical settings - occasional, not monthly. The first tank ships free with the machine, and oils start at Rs 299.
3
Electricity and subscription
Minimal power, no lock-in
A cold-air Vaayu is a low-power device, so its electricity use is minimal. And there is no compulsory subscription - you buy fragrance only when a tank runs low, and only the scent you want. You control the whole ongoing cost.
Tip: electricity is minimal and there is no forced subscription - you stay in control.
The SOSA principle
Owners often brace themselves for a monthly fragrance bill, and I have to reassure them - the machine is the spend, and after that a tank lasting up to about 75 days means you barely think about it.
I refuse to quote a fake monthly number because it depends on how you run it; what I can say honestly is that it is small, occasional and entirely in your hands.
Working it out for your own home
The best way to picture the ongoing cost is per machine, then multiply by your number of floors. Here is the honest structure.
The SOSA scent edit
How the ongoing cost breaks down (illustrative)
| Scent | Why it suits the mood |
|---|---|
| The machine | One-time: Rs 11,999 per Vaayu, per open floor. Ships with four oils, so the first tank of fragrance is included. |
| Fragrance | Occasional: a 400ml tank lasts up to ~75 days, so refills fall roughly every 2 to 2.5 months at typical settings. Oils from Rs 299 - exact use depends on your settings. |
| Electricity and subscription | Minimal power for a low-draw cold-air unit; no compulsory subscription - you buy fragrance only when you choose to. |
To scale this to a whole home, remember a multi-storey house runs one machine per floor, so multiply the fragrance rhythm by the number of machines - not by the property. These are illustrative structures, not fixed totals, because real use depends on your intensity and hours. A very large or double-height floor may run the Angaan (₹25,999) instead. Refill oils start at ₹299. A quick consultation turns this into an exact rhythm for your floors and settings.
The invisible finishing touch
One SOSA Vaayu gives a large home a clean, five-star signature scent across the whole open floor - ₹11,999, app & timer, ships with four hotel-inspired oils. One per floor for a multi-storey bungalow.
I refuse to quote a fake monthly number, because it depends on how you run it - what I can say honestly is that it is small, occasional, and entirely in your hands.
— Sonal Sahani, SOSA
The SOSA home edit
Whichever you choose, every SOSA machine here is made in India and sized to a real volume of air. One signature scent across the whole home, a Vaayu for an open floor up to ~2000-3000 sq ft (one per floor of a bungalow), and the Angaan or Meenar for a very large or double-height floor. A scent works alongside good ventilation, and the simplest way to size a large or multi-storey home is a quick consultation. Here is the full edit.
The SOSA independent-home scenting edit
One signature scent, the right machine for your space - a Vaayu per floor of a bungalow, more for a very large or double-height floor
| Machine | Best for | Why it works | From |
|---|---|---|---|
 SOSA Vaayu
|
One open floor up to ~2000-3000 sq ft (1000m3), or one per floor of a bungalow | Waterless cold-air machine with app & timer - one machine for the whole open floor | ₹11,999 |
 Hotel Collection oil
|
The signature scent itself (for the Vaayu) | Hotel-inspired, water-based oils - a clean, five-star signature; the Vaayu ships with four | ₹299 |
 SOSA Angaan
|
A very large or double-height floor | HVAC nebulising diffuser for a very large volume of air | ₹25,999 |
 SOSA Sukoon
|
A single closed bedroom, study or pooja room | Ultrasonic cool-mist diffuser for one small room off the main floor | ₹1,899 |
 SOSA Meenar
|
A very large multi-floor residence (12,000-18,000 sq ft) | Commercial HVAC scenting for the biggest homes | ₹38,500 |
How to size it: fragrance is about the volume of air, not just floor area. One Vaayu fills an open floor of up to about 1000m3 (roughly 2000-3000 sq ft). A multi-storey bungalow is one machine per floor - scent does not climb a staircase on its own. A very large or double-height floor holds far more air than its footprint suggests, so place the machine well and consider the Angaan for a big open volume. Closed bedrooms or a pooja room off the main floor can take a compact Sukoon. Keep one signature fragrance throughout, and if you are unsure, a quick consultation sizes it. Two honest notes: a scent makes a beautiful, well-aired home feel five-star but works alongside good ventilation and does not mask a musty smell; and in a newly built home, let the construction and paint smell air out first, then add the signature scent.
SS
ISIPCA
Versailles
Versailles
A note from Sonal
Most people spend years building an independent home - the plot, the plan, the interiors, every material chosen with care - and then leave the one sense that triggers memory most strongly entirely to chance. Scent is the finishing touch that makes a home feel as considered as it looks. Done well, your house greets you and your guests with a clean, quietly luxurious signature the moment the front door opens.
The mistake I see is scattering reed diffusers in every room, which clutters beautiful interiors and still leaves the house smelling uneven. A single Vaayu cold-air diffuser does the opposite: one signature scent, carried evenly across an open floor of up to about 2000-3000 sq ft, from one discreet machine on a timer. It is the invisible finishing touch on a dream home.
Two honest rules I always give. First, size it to the space: a multi-storey bungalow is one machine per floor, and a very large or double-height floor holds more air than its footprint suggests, so it is a bigger machine, not one working too hard - scent does not climb a staircase on its own. Second, if the home is newly built, let the paint and construction smell air out fully first; a scent enhances a clean, well-aired home, it is a luxury, not a cover-up. Everything is made in India, and for a large or multi-storey home a quick consultation gets the sizing exactly right.
Frequently asked questions
How much does it cost to keep a large house fragranced every month?
The running cost is small and occasional rather than a fixed monthly bill. The main spend is the one-time Vaayu (Rs 11,999 per open floor, ships with four oils). After that you add fragrance only when a 400ml tank runs low - up to about 75 days - so refills fall roughly every 2 to 2.5 months at typical settings. Electricity is minimal, no compulsory subscription.
Is there a fixed monthly rupee cost?
No, and it would be dishonest to quote one. Fragrance use depends on your intensity setting and daily hours. The honest anchor is that a 400ml tank lasts up to about 75 days, which makes refills occasional, and electricity use is minimal.
How often will I need to refill the fragrance?
Roughly every 2 to 2.5 months at typical settings, because a 400ml tank lasts up to about 75 days depending on intensity and daily run hours. The first tank ships with the machine, so you do not buy fragrance immediately.
How much does the electricity cost?
Minimal. A cold-air Vaayu is a low-power device, so running it adds very little to your bill compared with the one-time cost of the machine and the occasional fragrance.
Do I have to pay for a subscription?
No. Every SOSA machine is a one-time purchase and ships with its first tank of oils. There is no compulsory subscription - you buy fragrance only when a tank runs low, and only the scent you want.
Make the home you built feel extraordinary - one signature scent across the whole house
SOSA — Vaayu signature scenting for independent homes & bungalows
The Vaayu (₹11,999) is a one-time buy that ships with four oils; after that fragrance is occasional (a 400ml tank lasts up to ~75 days), electricity is minimal, no compulsory subscription. Made in India.
Shop SOSA Vaayu ₹11,999 → Get a large home sized
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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 scenting advice applies to any brand.Facts verified August 2026 (SOSA Vaayu product page): The Vaayu is a waterless cold-air diffuser priced at ₹11,999, and each machine ships with four SOSA Hotel Collection fragrance oils of 100ml each (400ml total, about one full tank). It atomises alcohol-free, water-free fragrance oil into a dry nano-mist covering up to 1000m3 (about 2000 to 3000 sq ft), with a 400ml tank that lasts up to about 75 days depending on the intensity setting and daily run hours, 1h/4h/8h/24h timers, Bluetooth app control and under-38dB operation. Fragrance is sized to the volume of air, not just the floor area, so a very large or double-height floor may need the larger Angaan (₹25,999, ~8,000-10,000 sq ft) or Meenar (₹38,500, ~12,000-18,000 sq ft), and a multi-storey bungalow generally needs one machine per floor - scent does not travel up a staircase between floors on its own. A signature scent enhances a clean, well-ventilated home and works alongside good ventilation; it does not remove a musty or closed-up smell, and in a newly built or newly renovated home it is not a substitute for airing out paint, polish and construction fumes, which should be ventilated and allowed to off-gas before a signature scent is introduced. SOSA makes no medical or air-purification claims. The hotel-inspired scents are SOSA's own original interpretations; SOSA is independent and not affiliated with, or endorsed by, any hotel named for reference. Prices and availability are subject to change - see the live product pages.