★ SOSA for Smart Homes
Adding automatic fragrance is five decisions, not a wiring project - here they are in order
★ ★ ★ ★ ★
★★★★★
"My reception now smells like a five-star lobby. Guests comment on it before they even reach the desk."
SOSA Vaayu · lobby scenting
★★★★★
"Zero dampness, which was my worry in monsoon. The mist is completely dry and the scent carries across the whole salon."
SOSA Vaayu · spa & salon
★★★★★
"Set the timer once and forgot about it. Runs only during store hours, refills last weeks. Exactly what I wanted."
SOSA Vaayu · showroom
★★★★★
"Our old water diffuser couldn't fill the living-dining. This one does the whole floor and you can't hear it running."
SOSA Vaayu · large home
★★★★★
"The app scheduling is the best part - strong in the mornings, gentle in the evening. Clinic feels calm all day."
SOSA Vaayu · wellness studio
★★★★★
"Paired it with the SOSA hotel oils. The projection is genuinely lobby-strength - nothing like a plug-in."
SOSA Vaayu · workspace
★★★★★
"My reception now smells like a five-star lobby. Guests comment on it before they even reach the desk."
SOSA Vaayu · lobby scenting
★★★★★
"Zero dampness, which was my worry in monsoon. The mist is completely dry and the scent carries across the whole salon."
SOSA Vaayu · spa & salon
★★★★★
"Set the timer once and forgot about it. Runs only during store hours, refills last weeks. Exactly what I wanted."
SOSA Vaayu · showroom
★★★★★
"Our old water diffuser couldn't fill the living-dining. This one does the whole floor and you can't hear it running."
SOSA Vaayu · large home
★★★★★
"The app scheduling is the best part - strong in the mornings, gentle in the evening. Clinic feels calm all day."
SOSA Vaayu · wellness studio
★★★★★
"Paired it with the SOSA hotel oils. The projection is genuinely lobby-strength - nothing like a plug-in."
SOSA Vaayu · workspace
★ The two machines you will choose between
SOSA VaayuOne home or floor, wall or HVAC mountView ₹11,999
SOSA VaayuA second zone, the same scheduleView ₹11,999
SOSA AngaanA whole house on the HVACView ₹25,999
✓ Bluetooth app, 1h/4h/8h/24h timers, adjustable intensity - set once, on site ✓ Waterless, under 38dB, wall or HVAC mount, 5W - a placement decision, not a power one ✓ Made in India · independent, not affiliated with any hotel · a portion funds girl-child education
Founder Diaries · Home Scenting Guides · Smart Homes
Where should an automatic fragrance machine be mounted in a smart home? On a wall or the HVAC, away from the direct path of a supply vent or fan, and ideally decided before the false ceiling closes. SOSA Vaayu (₹11,999) can be freestanding, wall-mounted or HVAC-mounted, drawing only 5W, so the decision is about placement and joinery, not electrical load.
How long should an automatic fragrance schedule run each day? Hours, not all day. A few hours in the morning and a few in the evening on the SOSA Vaayu (₹11,999) Bluetooth app keeps the level where a visitor would find it pleasant, uses less oil, and avoids the over-scenting that comes from running 24 hours a day.
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, approximately 2,000-3,000 sq ft, with a 400ml refillable tank lasting up to about 75 days, a Bluetooth app with 1h/4h/8h/24h timers and adjustable intensity, operation under 38dB, 5W draw, freestanding or wall and HVAC mounting, auto-stop and key-lock, and CE, RoHS and SGS certification. The SOSA Angaan (₹25,999) is an HVAC nebulising diffuser rated to 3,000m³, roughly 8,000-10,000 sq ft, with an 800ml reservoir, metal body, programmable schedules and operation under 42dB, connecting to a building's HVAC or running standalone wall-mounted. 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.
Adding automatic fragrance to a smart home is not a wiring project - it is five ordinary decisions, made once, in the right order, and none of them involve wifi, an app-store account or a smart-home controller.
Quick answers — read this first
How do I add automatic fragrance to a smart home? Confirm first that SOSA Vaayu (₹11,999) is a Bluetooth-scheduled machine, not a protocol-integrated one - no wifi, no Alexa, no Control4. Then measure the air volume of the space, choose a wall or HVAC mount out of the supply-vent path, set the app to a few hours morning and evening, and judge the level from outside the house after a week.Where should an automatic fragrance machine be mounted in a smart home? On a wall or the HVAC, away from the direct path of a supply vent or fan, and ideally decided before the false ceiling closes. SOSA Vaayu (₹11,999) can be freestanding, wall-mounted or HVAC-mounted, drawing only 5W, so the decision is about placement and joinery, not electrical load.
How long should an automatic fragrance schedule run each day? Hours, not all day. A few hours in the morning and a few in the evening on the SOSA Vaayu (₹11,999) Bluetooth app keeps the level where a visitor would find it pleasant, uses less oil, and avoids the over-scenting that comes from running 24 hours a day.
The short answer
Short answer: confirm it runs on a Bluetooth schedule rather than a smart-home protocol, then measure the air volume, choose a wall or HVAC mount away from a supply vent, set the SOSA Vaayu (₹11,999) app to a few hours morning and evening, and judge the level from outside the house after a week rather than at the doorway.
The pick: the SOSA Vaayu (₹11,999) for a home or floor, stepping up to the SOSA Angaan (₹25,999) for a whole house on the HVAC.
Next step: send your floor plan and we will help you decide mount, count and schedule - book a free scenting plan.
In this guide
Five decisions, made once, in this order. Nothing here depends on wifi, an app store account or a smart-home controller.
The two machines - tap either one
Start here
SOSA Vaayu · ₹11,999
For a whole house
SOSA Angaan · ₹25,999
Get the plan checked
Free scenting plan
Straight answer
What are the actual steps to add automatic fragrance to a smart home?
Five decisions, in order. First, confirm what you are buying: SOSA Vaayu (₹11,999) has a Bluetooth app with 1h/4h/8h/24h timers and adjustable intensity, plus an auto-stop and a key-lock. It runs the same schedule every day, unattended, whether anyone is home or not. It has no wifi and no cloud. It does not connect to Alexa, Google Home, Siri or Apple HomeKit, and it does not appear on Control4, Crestron, Lutron, KNX, Matter, Zigbee, Z-Wave or Home Assistant. There are no scene triggers, no occupancy or door sensors, no geofencing, and no way to start it from outside the house. Knowing that before you buy avoids a disappointing surprise later. Second, measure the air, not the room count - length times width times height in cubic metres, divided by 1000, gives you the Vaayu count for that connected volume; a double-height room holds far more air than its floor plan suggests. Third, choose the mount: freestanding, wall or HVAC, always kept out of the direct path of a supply vent or fan, and decided before the false ceiling closes if the home is still being fitted out - retrofitting later means a visible machine or a trailing cable. Fourth, set the schedule on the Bluetooth app - a few hours in the morning and a few in the evening beats running it all day, uses less oil, and keeps the level pleasant rather than noticeable. Fifth, judge the result properly: walk out of the house for ten or fifteen minutes, come back in with a fresh nose, and if you notice the fragrance immediately, turn it down. For a whole house on one HVAC loop, SOSA Angaan (₹25,999) does the same five steps at a larger scale. A free scenting plan will help with steps two and three from your drawings, and a portion of every order supports girl-child education through Nanhi Kali.
Five decisions, in order: confirm it is Bluetooth-scheduled (not protocol-integrated), measure the air volume, choose the mount away from a supply vent, set hours not 24h, and judge the level from outside after a week.
For most homes the starting point is one SOSA Vaayu - waterless, under 38dB, rated to 1000m³ (about 2,000-3,000 sq ft), freestanding or wall/HVAC mounted, with a Bluetooth app running 1h/4h/8h/24h timers. Add a second unit only for a genuinely separate zone.
See the SOSA Vaayu ₹11,999 Book a scenting plan
Before you buy
Confirm what it is, and where it will sit
The two machines you will choose between
Two machines cover almost every home. Vaayu handles one home or floor; Angaan takes over when the whole house sits on one HVAC loop large enough to need it.
One home or floor, up to about 3,000 sq ft
SOSA Vaayu
Waterless cold-air nebuliser rated to 1000m³. Bluetooth app, 1h/4h/8h/24h timers, adjustable intensity, under 38dB, freestanding or wall/HVAC mount, 5W.
From ₹11,999
A second, separately air-conditioned zone
SOSA Vaayu (second unit)
Add a second Vaayu only when a zone is genuinely on separate air handling - not as a machine per room.
From ₹11,999
A whole house on one HVAC loop
SOSA Angaan
HVAC nebulising diffuser rated to 3,000m³, with an 800ml reservoir, metal body and programmable schedules, under 42dB.
From ₹25,999
The five decisions, in the order that actually matters
Every home reduces to the same five decisions. Get the order right and the rest is simple.
1
Confirm what you are buying
A Bluetooth schedule, not a protocol integration
Before anything else, know what Vaayu is and is not. It has a Bluetooth app with 1h/4h/8h/24h timers and adjustable intensity, plus an auto-stop and a key-lock. It runs the same schedule every day, unattended, whether anyone is home or not. It has no wifi and no cloud. It does not connect to Alexa, Google Home, Siri or Apple HomeKit, and it does not appear on Control4, Crestron, Lutron, KNX, Matter, Zigbee, Z-Wave or Home Assistant. There are no scene triggers, no occupancy or door sensors, no geofencing, and no way to start it from outside the house. Buying it expecting a smart-home module is the one mistake that causes real disappointment - buying it for the schedule it actually offers does not.
Tip: Read the honest answer once, then plan around it.
Vaayu's Bluetooth app is the whole control layer - no account, no protocol, no dependency on the rest of your network.
See SOSA Vaayu →
2
Measure and mount
Air volume decides the count; placement decides how it feels
Length times width times height in cubic metres, divided by 1000, gives the Vaayu count for a connected space. Mount on a wall or the HVAC, out of the direct path of a supply vent or fan - placement changes how a room reads far more than turning the intensity up does.
For one large connected volume on a single HVAC loop, Angaan covers up to 3,000m³ on the airflow already there.
See SOSA Angaan →
3
Schedule, then judge
Hours, not all day - and judge it from outside
Set the app to a few hours in the morning and a few in the evening rather than 24 hours a day. After a week, walk out of the house for ten or fifteen minutes and come back in with a fresh nose. If you notice it immediately, or a guest ever comments, turn it down.
Tip: Start lower than feels right and hold it for a week before changing anything.
Vaayu's 1h/4h/8h/24h timers and adjustable intensity make this a five-minute app setting.
See SOSA Vaayu →
The SOSA principle
Nothing about adding automatic fragrance depends on wifi, an app-store account, or a smart-home controller. It depends on measuring the air and picking a sensible schedule.
The five decisions are the same whether the home has one automated light switch or three hundred.
What you are adding, stated plainly before you buy
Here is the same five-step process laid out as a table, so it is easy to check against your own home.
The SOSA plan
The five decisions, and what each one settles
| Decision | What it settles |
|---|---|
|
Confirm what the machine is
|
Bluetooth-scheduled, not protocol-integrated - no wifi, no Alexa, no Control4. View → |
|
Measure the air volume
|
Length x width x height in m³, divided by 1000, gives the Vaayu count for that zone. View → |
|
Choose the mount
|
Wall or HVAC, out of a supply-vent path; Angaan for a whole house on one loop. View → |
|
Set the schedule and judge it
|
A few hours morning and evening; judge the level from outside after a week. |
Once the machine is running, the ongoing question becomes how to keep it that way without over-scenting the house - covered fully in how do I create a set-and-forget fragrance system for my home. And if you are still deciding whether a scheduled machine is worth it over a passive reed, reed diffusers vs automated scent machines for smart homes lays out that comparison.
Five decisions, made once
SOSA Vaayu ₹11,999 - confirm it, measure it, mount it, schedule it, judge it. That is the whole process.
Adding automatic fragrance to a home is not a wiring project. It is five ordinary decisions, made once, and then it runs itself.
— Sonal Sahani, SOSA
After you install
Set the schedule, then leave it alone for a week
The SOSA add-on specification
Vaayu is the starting point for a home or floor; Angaan takes over for a whole house on one HVAC loop. Both are one-off purchases, both waterless, both made in India. A portion of every order supports girl-child education through Nanhi Kali.
The SOSA add-on specification
Two machines, the same five-step process
| Machine | Best for | Why it works | Price |
|---|---|---|---|
|
SOSA Vaayu
|
A home or a single floor up to about 3,000 sq ft | Bluetooth app, 1h/4h/8h/24h timers, under 38dB, 5W | ₹11,999 View → |
|
SOSA Angaan
|
A whole house on one HVAC loop | Programmable schedules on the building's own airflow, 800ml reservoir, under 42dB | ₹25,999 View → |
The most common mistake is skipping step one and buying expecting a smart-home module - avoid it by reading the honest answer first. A free scenting plan covers steps two and three from your own floor plan.
SS
ISIPCA
Versailles
Versailles
A note from Sonal
People email me expecting a wiring diagram, and the honest answer is that adding automatic fragrance to a home has almost nothing to do with wiring. no wifi and no cloud. It does not connect to Alexa, Google Home, Siri or Apple HomeKit, and it does not appear on Control4, Crestron, Lutron, KNX, Matter, Zigbee, Z-Wave or Home Assistant. There are no scene triggers, no occupancy or door sensors, no geofencing, and no way to start it from outside the house. What it does need is five ordinary decisions, made once, in the right order.
Start by confirming what you are actually buying: SOSA Vaayu has a Bluetooth app with 1h/4h/8h/24h timers and adjustable intensity, plus an auto-stop and a key-lock. It runs the same schedule every day, unattended, whether anyone is home or not. Then measure the air, not the room count - length times width times height in cubic metres, divided by 1000, gives your Vaayu count for that connected volume. Choose the mount next: wall or HVAC, always out of the direct path of a supply vent or fan, decided before the false ceiling closes if you are still fitting out. Set the schedule on the app - a few hours morning and evening beats 24h - and then walk away for a week before judging it.
The last decision is the one people skip: judge the level from outside the house, not from the doorway. Walk out for ten or fifteen minutes, come back in, and if you notice it immediately, turn it down. If a guest ever comments on the fragrance, it is too strong. Made in India, and a portion of every order supports girl-child education through Nanhi Kali.
Frequently asked questions
What is the first step in adding automatic fragrance to a smart home?
Confirm what the machine actually does. SOSA Vaayu (Rs 11,999) runs on its own Bluetooth app with 1h/4h/8h/24h timers - it does not connect to wifi, Alexa or a smart-home protocol, so plan around a scheduled machine, not a system-integrated one.
How do I work out how many machines I need?
Measure the connected air volume - length times width times height in cubic metres - and divide by 1000, which is what one SOSA Vaayu (Rs 11,999) covers. A double-height room holds more air than its floor area suggests, so measure height honestly.
Where should the machine be mounted?
On a wall or the HVAC, kept out of the direct path of a supply vent or fan. Decide this before a false ceiling closes if the home is still being fitted out, since retrofitting later usually means a visible unit or a trailing cable.
How many hours a day should it run?
A few hours in the morning and a few in the evening, rather than 24 hours a day. This keeps the fragrance at a level a visitor would find pleasant, uses less oil, and avoids the over-scenting that comes from constant running.
How do I know if the level is set correctly?
Judge it from outside the house, not from the doorway. Walk out for ten or fifteen minutes, come back in with a fresh nose, and if you notice the fragrance immediately, or a guest ever comments on it, turn it down.
Five decisions. Made once. Runs itself.
SOSA — Smart Home Scenting adding automatic fragrance, step by step
SOSA Vaayu (₹11,999) covers most homes and floors; SOSA Angaan (₹25,999) covers a whole house on one HVAC loop. Both one-off purchases, made in India, and a portion of every order supports girl-child education through Nanhi Kali.
Book a free scenting plan → SOSA Vaayu · ₹11,999
One more look before you decide
Continue the read
More from SOSA
Editorial standards & sources
About this guide: Written by Sonal Sahani, ISIPCA Versailles-trained founder and perfumer at SOSA Home & Body. Product recommendations reflect the SOSA range; the planning advice applies to any brand.Facts verified 24 August 2026 against the live SOSA product pages: the SOSA Vaayu (₹11,999) is a waterless cold-air nebuliser rated to 1000m³, approximately 2,000-3,000 sq ft, with a 400ml refillable tank lasting up to about 75 days, a Bluetooth app with 1h/4h/8h/24h timers and adjustable intensity, operation under 38dB, 5W draw, freestanding or wall and HVAC mounting, auto-stop and key-lock, and CE, RoHS and SGS certification. The SOSA Angaan (₹25,999) is an HVAC nebulising diffuser rated to 3,000m³, roughly 8,000-10,000 sq ft, with an 800ml reservoir, metal body, programmable schedules and operation under 42dB, connecting to a building's HVAC or running standalone wall-mounted. 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.