SOSA Vaayu Luxury Home Entrance Scenting Guide

SOSA Vaayu Luxury Home Entrance Scenting Guide

★ For entrances, foyers and shoe areas: dry and air the sources first, then hold one scent at the doorSOSA Vaayu ₹11,999 · 1000m³ (about 2,000-3,000 sq ft) · waterless, no dampnessMade in India · independent, not affiliated with any hotel
★ SOSA for Entrances and Foyers
The whole entrance plan on one page - sources first, then size, place, schedule and profile
★ ★ ★ ★ ★
★★★★★
"One machine near the passage into the living room and the whole floor smells the same. I had been planning to buy three."
Meghna B. Kolkata
SOSA Vaayu · one machine, whole floor
★★★★★
"She told me to drill vents in the shoe cabinet doors before buying anything from her. That alone fixed most of it."
Aparna J. Mumbai
SOSA Vaayu · shoe cabinet first
★★★★★
"Two windows a day on the app, morning and early evening. I have not touched the machine in four months."
Sameer G. Hyderabad
SOSA Vaayu · app timers
★★★★★
"Our foyer is a metre and a half wide, so the console was never going to work. Wall mounted above the switchboard and it is completely out of the way."
Anjali D. Bengaluru
SOSA Vaayu · wall mounted
★★★★★
"I wanted something for the entrance that was not sweet. She steered me to a tea and cedar profile and it was exactly right for a small hall."
Nandita R. Chennai
SOSA Vaayu · fragrance choice
★★★★★
"He was very clear that the machine adds fragrance and does not remove the shoe smell. First honest answer I had had, so I bought from him."
Vikram S. Kochi
SOSA Vaayu · honest advice
★★★★★
"One machine near the passage into the living room and the whole floor smells the same. I had been planning to buy three."
Meghna B. Kolkata
SOSA Vaayu · one machine, whole floor
★★★★★
"She told me to drill vents in the shoe cabinet doors before buying anything from her. That alone fixed most of it."
Aparna J. Mumbai
SOSA Vaayu · shoe cabinet first
★★★★★
"Two windows a day on the app, morning and early evening. I have not touched the machine in four months."
Sameer G. Hyderabad
SOSA Vaayu · app timers
★★★★★
"Our foyer is a metre and a half wide, so the console was never going to work. Wall mounted above the switchboard and it is completely out of the way."
Anjali D. Bengaluru
SOSA Vaayu · wall mounted
★★★★★
"I wanted something for the entrance that was not sweet. She steered me to a tea and cedar profile and it was exactly right for a small hall."
Nandita R. Chennai
SOSA Vaayu · fragrance choice
★★★★★
"He was very clear that the machine adds fragrance and does not remove the shoe smell. First honest answer I had had, so I bought from him."
Vikram S. Kochi
SOSA Vaayu · honest advice
★ What belongs at a home entrance
We will tell you plainly that fragrance does not remove a shoe or damp smell - airing, drying and cleaning do, and the machine goes on afterwards Waterless nebulising, so no dampness added to a hallway and no residue on a console, mirror or wooden entryway unit. 1000m³, under 38dB, 400ml tank up to about 75 days Made in India · independent, not affiliated with any hotel · a portion funds girl-child education

Founder Diaries · Home Problems · Entrance, Shoe Area and Foyer
By Sonal Sahani · ISIPCA Versailles 14 min read Updated August 2026
This is the whole thing in one place: the sources to clear before you spend anything, the volume maths, where the machine goes, what schedule to run it on, which fragrance direction to choose, and what a year of it actually costs. It is the same sequence we use on a home consultation, and step one is free.
Quick answers — read this first
How do I scent a luxury home entrance properly? In five steps, in order. First clear the sources: dry shoes before storing them, vent and deodorise the shoe cabinet, wash the doormat, dry umbrellas open, move the bin off the entrance air path, fit a strip under the front door and check the foyer is not the kitchen's exhaust route. Second, size by air volume - length by width by height, divided by 1000m³, which is what one SOSA Vaayu (₹11,999) covers. Third, place it on the air path aimed inward, wall mounted above eye level in a narrow foyer. Fourth, schedule two short low windows a day. Fifth, choose one clean, unsweet profile for the whole connected floor.

What are the SOSA Vaayu specifications? The SOSA Vaayu is ₹11,999. It is a waterless cold-air nebuliser rated to 1000m³, which the product page describes as about 2,000-3,000 sq ft. It takes pure fragrance oil in a 400ml refillable tank lasting up to about 75 days depending on intensity and run hours. It has Bluetooth app and onboard button control, 1h/4h/8h/24h timers with adjustable intensity, runs under 38dB, draws 5W on DC 12V/1A, measures 165 x 80.5 x 215mm at 0.9kg, mounts freestanding, on a wall or to HVAC, and has auto-stop and a key-lock. CE, RoHS and SGS certified, made in India.

What if my entrance has no plug point? Use a reed diffuser rather than running an extension cord across the hall. A SOSA Morning Freshness reed diffuser is ₹749, alcohol-free, and needs no power, no water and no flame, which makes it safe to leave in an unattended hall. It scents the area around itself rather than a whole floor, and it is strongest when freshly set. A machine only becomes the right answer when the foyer opens into the living areas and you want the whole connected floor held at one scent.
The short answer
Short answer: follow five steps in order. Clear the sources - shoes dried before storage, the cabinet vented and deodorised inside, the doormat washed, umbrellas dried open, the bin moved off the air path, a strip under the front door, and the foyer kept off the kitchen's exhaust route. Size by air volume, at 1000m³ per SOSA Vaayu. Place it on the air path aimed inward, wall mounted above eye level in a narrow foyer. Schedule two short low windows a day. Choose one clean, unsweet profile for the whole connected floor.
The pick: one SOSA Vaayu (₹11,999) on the entrance air path - waterless, 1000m³ (about 2,000-3,000 sq ft), 400ml tank up to about 75 days, 1h/4h/8h/24h timers, under 38dB, 5W, auto-stop and key-lock. Where there is no plug point, a Morning Freshness reed diffuser (₹749) instead.
Next step: send us your entrance dimensions including the ceiling height, a note on what lives in the foyer and what it opens onto, and we will write the plan with you - ask us what fits your home.
The complete entrance scenting specification, in orderSTEP 1 - clear the sources: shoes, cabinet, mat, bin, door seal, kitchen pathSTEP 2 - size by air volume: 1000m³ per Vaayu, count the ceiling heightSTEP 3 - place on the air path, aimed inward, wall mounted if narrowSTEP 4 - schedule two low windows a day and leave it aloneSTEP 5 - one clean, unsweet profile for the whole connected floor
Steps one to four cost almost nothing beyond the machine, and step one costs nothing at all. This is the order we use on every home consultation, and skipping step one is the single reason most entrance scenting disappoints.
The machine on this page - tap to see it
Straight answer
What is the complete plan for scenting a home entrance well?
Step one, clear the sources, and do not skip it. Start with the shoes, because in most Indian homes they are the single biggest contributor and the one people misdiagnose. A shoe does not smell because it is dirty on the outside. It smells because bacteria are living on the perspiration residue soaked into the lining and the insole, and what those bacteria need is warmth, moisture and darkness. A foot puts out a genuinely surprising amount of moisture over a day, and closed leather and synthetic shoes hold almost all of it in the lining. Take the shoe off at seven in the evening and it is warm and damp on the inside. Put it straight into a cabinet and you have handed that colony every condition it wants for the next twelve hours. That is the whole mechanism, and it is why a shoe that is spotless on the outside can still be the reason your foyer smells. Air shoes on an open rack before they go away, rotate pairs, take insoles out overnight, cut ventilation into the cabinet doors and keep baking soda, activated charcoal or silica gel inside the box. Wash the doormat and keep a spare in rotation through monsoon. Dry umbrellas open rather than folded. Move the bin off the entrance air path, wash it rather than only emptying it, and pour a mug of water down any unused utility drain weekly. Fit a brush strip under the front door to cut the corridor air from the lift lobby and garbage chute. And check the foyer is not acting as the kitchen's exhaust route. Step two, size it by air volume. Measure length by width by height in cubic metres, because entrances are often tall. One SOSA Vaayu covers 1000m³, about 2,000-3,000 sq ft. There is a genuine efficiency argument for scenting at the entrance, and it is worth understanding before you decide where the machine goes. The entrance is almost always on the main air path of the home, because the front door, the passage and the living room are how air actually moves through a flat. A machine placed on that path does not only scent the three metres around it - the same air carries the fragrance into the living and dining areas as it circulates. So one machine at the entrance frequently does the job of the whole floor, which is why I recommend one 1000m³ machine there rather than three small ones scattered about. Step three, place it properly. Placement is the difference between a machine that works and a machine that disappoints you, and the rules are simple. Put it on the air path, not in a corner. A pretty niche behind the door is exactly where the air is not moving, and fragrance sitting in still air stays a small pool instead of travelling. Near the passage into the living room, beside an air-conditioning return, or in line with the normal circulation route is what you want. Do not point it straight at the front door. The draught every time the door opens will scatter the output and send a good part of it into the common corridor, so you pay for fragrance and your neighbours enjoy it. Aim it inward, along the passage. In a narrow foyer, go up. The Vaayu wall mounts, and above eye level on a side wall keeps it out of the traffic, keeps it out of the way of a console that is already full, and puts the output where air is moving freely rather than at ankle height. Keep it out of reach of children - pure fragrance oil is not something you want a curious two-year-old opening, which is what the key-lock is for. And keep at least a foot of clear air around it so the output is not immediately blocked by a shoe rack door or a curtain. Step four, schedule it. Two short low windows a day - one before the house wakes, one in the early evening - using 1h/4h/8h/24h timers with adjustable intensity, rather than continuous high output. Before guests, start it 30 to 45 minutes ahead on a medium setting. Step five, choose one profile for the whole floor. On the fragrance itself, an entrance is a specific brief and not simply a small living room. It is the first thing anybody smells, it is usually a small volume, and people pass through it rather than sit in it - so it can carry a slightly more defined character than a bedroom, but it must not be heavy, because a heavy scent in a small hall is the fastest way to make a house feel like a shop. What works is clean, cool and structured: white tea and green tea, light woods such as cedar and vetiver, soft citrus, fig, clean musks, a touch of green or a dry mineral note. Those read as air, space and order, which is exactly the impression an entrance is meant to give. What fails is anything sweet and gourmand - vanilla, caramel, cocoa, heavy amber - because sweetness at the door reads as a candle shop and, in a foyer that has any shoe or damp note left in it, sweetness plus that note is the specific combination that smells wrong. Very heavy florals and big ouds are also a mistake in a small hall in a hot climate; they are beautiful compositions in the wrong volume of air. On running cost: the tank is 400ml lasting up to about 75 days depending on intensity and hours, which is roughly five fills a year, and the machine draws 5W, about 1.5 units of electricity a month on a ten-hour daily schedule. Where an entrance genuinely has no socket, If the entrance has no plug point - and a great many Indian foyers do not, because nobody plans a socket for a shoe cabinet - the honest answer is not to run an extension cord across the hall. It is a reed diffuser. Our Morning Freshness reed diffuser is ₹749, alcohol-free, and needs no power, no water and no flame, which also makes it the sensible thing to leave running in a hall nobody is watching. It scents the area around itself rather than a floor, and it is strongest when freshly set and softer later, and both of those are simply how the format works rather than defects. For a console table in a small foyer, that is the correct tool and a machine would be overkill. A scent machine does not remove odour molecules. It adds fragrance molecules alongside them. Nothing about diffusing a fragrance breaks down, neutralises, captures or cancels the smell already in a room, and any brand that tells you otherwise is overselling a fragrance product. Run a diffuser over a foyer that still holds the shoe cabinet and you get both at once, which is genuinely worse than either alone, because the nose stops reading two smells and starts reading one confusing new one. One line worth being clear about: a fragrance machine is a fragrance machine. It is not an air purifier. It does not filter, disinfect, dehumidify or remove anything from the air, and it makes no health claim of any kind. 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. Ask us what fits your home, and a portion of every order supports girl-child education through Nanhi Kali.
Clear the sources, size by air volume at 1000m³ per machine, place it on the air path aimed inward, run two low windows a day, and choose one clean unsweet profile for the whole floor.
The specification in one line: SOSA Vaayu, ₹11,999, waterless cold-air nebuliser rated to 1000m³ (about 2,000-3,000 sq ft), 400ml tank lasting up to about 75 days, Bluetooth app with 1h/4h/8h/24h timers and adjustable intensity, under 38dB, 5W, 165 x 80.5 x 215mm at 0.9kg, freestanding or wall and HVAC mount, auto-stop and key-lock, CE, RoHS and SGS certified.
See the SOSA Vaayu ₹11,999 Ask what fits your home

The two things a scented entrance actually needs

Two products cover every entrance we are ever asked about, and the choice between them is not about budget. It is about whether there is a plug point and whether the foyer opens into the rest of the floor.

SOSA Vaayu
The machine for a foyer that opens into the floor
SOSA Vaayu
Waterless cold-air nebuliser at ₹11,999, rated to 1000m³ - about 2,000-3,000 sq ft. 400ml refillable tank of pure fragrance oil lasting up to about 75 days, Bluetooth app with 1h/4h/8h/24h timers and adjustable intensity, under 38dB, 5W, 165 x 80.5 x 215mm at 0.9kg, auto-stop and key-lock. CE, RoHS and SGS certified.
From ₹11,999
SOSA Vaayu
Freestanding, wall mounted or HVAC mounted
SOSA Vaayu - placement options
At 0.9kg it wall mounts above eye level in a narrow foyer, which keeps it out of the traffic and out of reach of children, or stands on a console on the air path. Aim it inward along the passage rather than at the front door.
From ₹11,999
Morning Freshness reed
An entrance or shoe area with no plug point
SOSA Morning Freshness Reed Diffuser
An alcohol-free reed diffuser at ₹749 - no power, no water, no flame, nothing to supervise in an unattended hall. It scents the area around itself rather than a floor, and it is strongest when freshly set, which is simply how reeds work.
From ₹749
SOSA Vaayu
The machine for an entrance that is already aired and clean
SOSA Vaayu Waterless Diffuser
1000m³ coverage (about 2,000-3,000 sq ft), 400ml tank lasting up to about 75 days, Bluetooth app and 1h/4h/8h/24h timers with adjustable intensity, under 38dB, 5W, freestanding or wall and HVAC mount, auto-stop and key-lock. CE, RoHS and SGS certified. Waterless, so no dampness in a hallway and no residue on wood or fabric. Made in India.

The full specification, step by step

Three parts of the specification are worth spelling out properly, because they are where plans go wrong: the volume maths, the schedule, and the running cost.

1
The volume maths
Length times width times height, divided by 1000
Entrances are the part of a home most likely to be built tall, which is exactly where floor-area rules of thumb break down. Measure each connected space in metres, multiply length by width by height, and divide by 1000 to get your Vaayu count. Count the stairwell if the foyer is open to it, because that air is connected whether you like it or not. Almost every apartment entrance, and most villa ground-floor foyers, come out at one machine. Two things to resist. Do not buy a machine per room: several small units produce pools of fragrance rather than one even character, and a home that smells different every few metres reads as less considered, not more. And do not scatter small units through a tall volume, because they scent at floor level and leave the top of the space empty. If your number lands well above one, the answer is one larger machine rather than several small ones, and that is a conversation worth having before you spend.
Tip: one machine per 1000m³ of connected air, and include the ceiling height in the sum.
SOSA Vaayu
The Vaayu is rated to 1000m³, about 2,000-3,000 sq ft, and that single number does most of the planning.
See SOSA Vaayu →
2
The schedule
Two short low windows a day, and 45 minutes before guests
Continuous high output is the most common mistake and it is expensive in three ways: more oil, a stronger smell than anybody wants, and a hall that reads as perfumed rather than clean. Set a short window before the house wakes and another in the early evening as people come home, both at a low or medium intensity, using the 1h, 4h, 8h and 24h schedules from the app. Then leave it alone for a couple of months. Before guests arrive, start it 30 to 45 minutes ahead on medium so it has diffused and settled by the time the bell goes, rather than switching it on as people walk in. And do not creep the intensity up over time: your own nose adapts to your home within a minute, so you will consistently think it is fainter than it is, and that is how entrances end up overwhelming for visitors.
SOSA Vaayu
1h/4h/8h/24h timers, adjustable intensity, auto-stop and key-lock - the Vaayu holds the schedule so nobody has to.
See SOSA Vaayu →
3
The running cost
Roughly five fills a year, and about 1.5 units of electricity a month
Worth knowing before you buy rather than after. The tank is 400ml and a fill lasts up to about 75 days depending on intensity and run hours, so a typical home is looking at roughly five fills a year, fewer days per fill if you run higher intensity or longer hours. We will not invent a monthly rupee figure, because it depends entirely on your settings and how many hours you run. Electricity is genuinely negligible: the machine draws 5W, which is about 1.5 units a month on a ten-hour daily schedule. Maintenance is minimal because there is no water in the system - nothing to descale, no tank to empty out weekly, no risk of standing water going stale, which is a real consideration in a machine that sits by a front door in a humid climate. Wipe the housing occasionally, refill when it runs low, and keep the key-lock engaged.
Tip: no water means no descaling and no standing water, which matters in a humid entrance.
SOSA Vaayu
400ml, up to about 75 days a fill, 5W, and CE, RoHS and SGS certified. ₹11,999.
See SOSA Vaayu →
The SOSA principle
Step one is free and it is the step everybody skips. An entrance that has been aired, dried and cleaned needs very little fragrance to feel expensive; one that has not cannot be rescued by any amount.
We would rather you spent a weekend on the shoe cabinet and the doormat than a rupee with us before that is done.
SOSA Vaayu
The machine, in full: SOSA Vaayu, waterless cold-air nebuliser, 1000m³ coverage, 400ml tank up to about 75 days, app and timers, under 38dB, 5W, auto-stop and key-lock. ₹11,999.

The whole plan on one page

Here is the entire specification as a checklist. Work down it in order, and stop at any point where the answer is that you have not done the previous step.

The SOSA plan
The full entrance specification, in order
What you are actually dealing with What fixes it
Step 1 - clear the sources (free)
Dry shoes before storage and rotate pairs, vent the cabinet and keep an absorbent inside it, wash the doormat, dry umbrellas open, move the bin off the air path, fit a strip under the front door, and keep the foyer off the kitchen's exhaust route.
SOSA VaayuSteps 2 and 3 - size it and place it
Length by width by height, divided by 1000m³. One SOSA Vaayu (₹11,999) covers 1000m³, about 2,000-3,000 sq ft. Put it on the air path aimed inward, wall mounted above eye level in a narrow foyer, out of reach of children. View →
Step 4 - schedule it
Two short low windows a day using the 1h/4h/8h/24h timers, one before the house wakes and one in the early evening. Before guests, start it 30 to 45 minutes ahead on medium. Never creep the intensity upward.
Morning Freshness reedStep 5 - one profile, or a reed if there is no socket
Clean, cool and structured rather than sweet, held across the whole connected floor. Where there is no plug point, a SOSA Morning Freshness reed diffuser (₹749) is the honest tool instead of an extension cord. View →

Each step has its own page if you want the detail. The diagnosis is why your home entrance smells stale, the shoe cabinet is how to prevent shoe-rack smell from affecting your foyer, the placement is where to place a scent machine near a home entrance, and the fragrance choice is the best fragrance for a luxury home foyer. The pillar underneath all of them is why your house doesn't smell fresh even after cleaning. And the honest summary of this whole guide: step one is the one that decides whether the rest of it works.

Morning Freshness reed
If your entrance has no socket: SOSA Morning Freshness reed diffuser, alcohol-free, no power, water or flame - correctly sized to a console or shoe shelf. ₹749.
The whole specification, on one page
SOSA Vaayu ₹11,999 - waterless, 1000m³, 400ml tank up to about 75 days, 1h/4h/8h/24h timers, under 38dB, 5W, auto-stop and key-lock.
See the SOSA Vaayu Book a scenting plan
An entrance that has been aired, dried and cleaned needs almost no fragrance to feel expensive. One that has not cannot be rescued by any amount of it.
— Sonal Sahani, SOSA

The SOSA entrance specification, in full

The complete specification. The Vaayu is the machine for an entrance and the floor it opens onto, waterless so nothing damp is added to a hallway and nothing settles on a console or mirror; the reed is the honest tool where there is no plug point. Both are made in India, and a portion of every order supports girl-child education through Nanhi Kali.

The SOSA entrance specification
Air, dry and clean the sources first, then one machine on the entrance air path
Machine Best for Why it works Price
SOSA Vaayu An entrance and connected floor of up to about 2,000-3,000 sq ft 1000m³ coverage from one point on the air path, 400ml tank of pure fragrance oil lasting up to about 75 days, Bluetooth app with 1h/4h/8h/24h timers and adjustable intensity, under 38dB, 5W, 165 x 80.5 x 215mm at 0.9kg, freestanding or wall and HVAC mount, auto-stop and key-lock, CE, RoHS and SGS certified ₹11,999
View →
Morning Freshness reed A console, shoe shelf or small foyer with no plug point An alcohol-free reed diffuser at ₹749. No power, no water and no flame, so it is safe to leave in an unattended hall. It scents the area around itself rather than a floor and is strongest when freshly set. ₹749
View →
One last time, because it is the most useful sentence in this guide: A scent machine does not remove odour molecules. It adds fragrance molecules alongside them. Nothing about diffusing a fragrance breaks down, neutralises, captures or cancels the smell already in a room, and any brand that tells you otherwise is overselling a fragrance product. Run a diffuser over a foyer that still holds the shoe cabinet and you get both at once, which is genuinely worse than either alone, because the nose stops reading two smells and starts reading one confusing new one. One line worth being clear about: a fragrance machine is a fragrance machine. It is not an air purifier. It does not filter, disinfect, dehumidify or remove anything from the air, and it makes no health claim of any kind. Step one is free, and it decides whether steps two to five are worth anything. 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. Send us your entrance dimensions and a note on what lives in it, and we will write the plan with you - ask us what fits your home.
SS
ISIPCA
Versailles
A note from Sonal

I wrote this guide in the order I actually work in, which is not the order most people expect. Nobody calls me about a doormat. They call about a fragrance. But the first twenty minutes of every home consultation are about shoes, cabinets, mats, bins and door seals, because an entrance that has been aired and dried needs almost no fragrance to feel expensive, and one that has not cannot be rescued by any amount of it.

After that it is arithmetic and habit rather than taste. Measure the air including the height. One Vaayu per 1000m³, placed on the air path and aimed inward, wall mounted above eye level if the foyer is narrow and there are small children in the house. Two low windows a day on the app, and 45 minutes before guests. One clean, unsweet profile for the whole connected floor, kept for a year. Where there is no socket, the reeds at ₹749, and I would rather sell those than pretend a machine belongs somewhere it cannot be plugged in.

And the honesty that this guide is built on. A scent machine does not remove odour molecules. It adds fragrance molecules alongside them. Nothing about diffusing a fragrance breaks down, neutralises, captures or cancels the smell already in a room, and any brand that tells you otherwise is overselling a fragrance product. Run a diffuser over a foyer that still holds the shoe cabinet and you get both at once, which is genuinely worse than either alone, because the nose stops reading two smells and starts reading one confusing new one. One line worth being clear about: a fragrance machine is a fragrance machine. It is not an air purifier. It does not filter, disinfect, dehumidify or remove anything from the air, and it makes no health claim of any kind. 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. Everything is made in India, and a portion of every order supports girl-child education through Nanhi Kali.

Frequently asked questions

How do I scent a luxury home entrance properly?
In five steps, in order. Clear the sources first: dry shoes before storing them and rotate pairs, vent the shoe cabinet and keep baking soda or charcoal inside it, wash the doormat, dry umbrellas open, move the bin off the entrance air path, fit a strip under the front door and check the foyer is not the kitchen's exhaust route. Then size by air volume, at 1000 cubic metres per SOSA Vaayu, which is Rs 11,999 and covers about 2,000 to 3,000 sq ft. Place it on the air path aimed inward, wall mounted above eye level in a narrow foyer. Schedule two short low windows a day. And choose one clean, unsweet profile for the whole connected floor.
What are the SOSA Vaayu specifications and price?
The SOSA Vaayu is Rs 11,999. It is a waterless cold-air nebuliser rated to 1000 cubic metres, described by the manufacturer as about 2,000 to 3,000 sq ft. It takes pure fragrance oil in a 400ml refillable tank lasting up to about 75 days depending on intensity and run hours. Bluetooth app and onboard buttons, 1h, 4h, 8h and 24h timers with adjustable intensity, under 38dB, DC 12V at 1A drawing 5W, 165 x 80.5 x 215mm and 0.9kg, freestanding or wall and HVAC mount, auto-stop and key-lock, CE, RoHS and SGS certified, made in India.
What does it cost to run for a year?
Two things: fragrance and electricity. The 400ml tank lasts up to about 75 days depending on intensity and hours, so a typical home is looking at roughly five fills a year, fewer days per fill at higher intensity or longer run hours. Electricity is negligible, since the machine draws 5W, which is about 1.5 units a month on a ten hour daily schedule. There is no water in the system, so there is nothing to descale and no standing water to go stale, which matters in a machine sitting by a front door in a humid climate.
What if my entrance has no plug point?
Use a reed diffuser rather than running an extension cord across the hall. A SOSA Morning Freshness reed diffuser is Rs 749, alcohol-free, and needs no power, no water and no flame, which makes it a sensible thing to leave in an unattended hall. It scents the area around itself rather than a whole floor, and it is strongest when freshly set and softer later. For a console table in a small foyer that is the right tool. A machine is only worth it if the foyer opens into the living areas and you want the whole floor covered.
Will scenting fix an entrance that already smells?
No. A scent machine adds fragrance, it does not remove odour. Diffusing a fragrance does not break down, neutralise or capture the molecules already in the air, so scenting a foyer that still holds a damp shoe cabinet gives you both smells at once, which is worse than either on its own. Airing, drying and cleaning are what remove the smell. Fragrance is the finish on a space that is already clear, and used that way it is genuinely worth having.
SOSA Vaayu
Placed on the air path, scheduled, and left alone: SOSA Vaayu at 165 x 80.5 x 215mm and 0.9kg, freestanding or wall mounted above eye level. ₹11,999.
Five steps, in order, and the first one is free
SOSA — Home Scenting for Entrances and Foyers for the three metres everybody judges your home by
The SOSA Vaayu is ₹11,999: waterless, 1000m³ or about 2,000-3,000 sq ft, a 400ml tank of pure fragrance oil lasting up to about 75 days, 1h/4h/8h/24h timers, under 38dB, 5W, auto-stop and key-lock, CE, RoHS and SGS certified. Where there is no plug point, the Morning Freshness reed diffuser is ₹749. Neither removes an odour - airing, drying and cleaning do that. Made in India, and a portion of every order supports girl-child education through Nanhi Kali.
Ask us what fits your home → SOSA Vaayu · ₹11,999
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, 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 it adds no dampness to a hallway and leaves no residue. It is a fragrance machine and not an air purifier: it adds fragrance and does not remove odour. The SOSA Morning Freshness reed diffuser (₹749) is an alcohol-free reed diffuser that needs no power, no water and no flame, which suits an entrance or shoe area with no plug point; it scents the area around itself rather than a whole floor. 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.
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