★ SOSA for Double-Height Mohali Lobbies
A tall lobby is a volume problem - do the arithmetic before you order a machine
★ ★ ★ ★ ★
★★★★★
"Our whole lobby smells the same at the door as it does at the lift. Guests ask what the fragrance is and the machine is in the AHU room, they never see it."
SOSA Angaan · hotel lobby
★★★★★
"We replaced seven plug-in units with one Angaan. One refill a month instead of a daily round. Housekeeping loves it."
SOSA Angaan · facilities
★★★★★
"The showroom finally smells as premium as it looks. No visible gadgets, no wet mist near the cars."
SOSA Angaan · car showroom
★★★★★
"Scheduled it to start before the first check-in and stop after midnight. Set once, runs itself."
SOSA Angaan · hotel front office
★★★★★
"Clients walk into our office and comment on the scent before the interiors. That is the brand doing its work."
SOSA Angaan · corporate office
★★★★★
"The banquet hall used to need four machines and still had dead zones. One Angaan through the ducting fixed it."
SOSA Angaan · banquet hall
★★★★★
"Our whole lobby smells the same at the door as it does at the lift. Guests ask what the fragrance is and the machine is in the AHU room, they never see it."
SOSA Angaan · hotel lobby
★★★★★
"We replaced seven plug-in units with one Angaan. One refill a month instead of a daily round. Housekeeping loves it."
SOSA Angaan · facilities
★★★★★
"The showroom finally smells as premium as it looks. No visible gadgets, no wet mist near the cars."
SOSA Angaan · car showroom
★★★★★
"Scheduled it to start before the first check-in and stop after midnight. Set once, runs itself."
SOSA Angaan · hotel front office
★★★★★
"Clients walk into our office and comment on the scent before the interiors. That is the brand doing its work."
SOSA Angaan · corporate office
★★★★★
"The banquet hall used to need four machines and still had dead zones. One Angaan through the ducting fixed it."
SOSA Angaan · banquet hall
★ The machine sized for a tall lobby's real volume
SOSA AngaanA double-height lobby on the HVACView ₹25,999
SOSA VaayuA normal-height side galleryView ₹11,999
SOSA VaayuThe sample flatView ₹11,999
✓ Sq ft x ceiling height / 35.3 = m³ - the only honest way to size a tall room ✓ SOSA Angaan covers up to 3,000m³ on the building's own HVAC airflow ✓ Made in India · independent, not affiliated with any hotel · a portion funds girl-child education
Founder Diaries · Commercial Scenting Guides · Chandigarh
Why does a tall ceiling change the scent machine choice? Because air volume, not floor area, is what a diffuser actually has to fill. A double-height room has roughly double the air of the same floor plan at a normal ceiling. Warm air also rises, carrying fragrance up and away from the people in the room, so a tall lobby loses scent twice over.
What machine handles a double-height sales gallery lobby? A SOSA Angaan (Rs 25,999), rated to 3,000 cubic metres and connected to the building's HVAC, so it uses the air movement already happening in a tall space rather than fighting it. A SOSA Vaayu (Rs 11,999) remains right for normal-height zones like a side gallery or the sample flat.
See the SOSA Angaan Book a scenting plan
Facts verified 24 August 2026 against the live SOSA product pages: 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 the building's air handling or running standalone wall-mounted. The SOSA Vaayu (₹11,999) is a waterless cold-air nebuliser rated to 1000m³, about 2,000-3,000 sq ft, with a 400ml tank lasting up to about 75 days and operation under 38dB. 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.
Total square footage hides the one number that actually matters in a double-height lobby: the ceiling height. Do the arithmetic first, because it changes which machine is right.
Quick answers — read this first
Should a double-height sales gallery lobby be sized by total square footage? No. Size it by cubic metres: square feet times ceiling height, divided by 35.3. A 3,000 sq ft lobby at a 20 ft ceiling is about 1,700m3 - already past one SOSA Vaayu's 1000m3 rating - even though the floor area alone would suggest one machine is enough.Why does a tall ceiling change the scent machine choice? Because air volume, not floor area, is what a diffuser actually has to fill. A double-height room has roughly double the air of the same floor plan at a normal ceiling. Warm air also rises, carrying fragrance up and away from the people in the room, so a tall lobby loses scent twice over.
What machine handles a double-height sales gallery lobby? A SOSA Angaan (Rs 25,999), rated to 3,000 cubic metres and connected to the building's HVAC, so it uses the air movement already happening in a tall space rather than fighting it. A SOSA Vaayu (Rs 11,999) remains right for normal-height zones like a side gallery or the sample flat.
The short answer
Short answer: no - size by cubic metres, not square footage. Sq ft x ceiling height / 35.3 = m3. A 3,000 sq ft lobby at 20 ft is about 1,700m3, already past one Vaayu's 1000m3 rating.
The pick: a SOSA Angaan (₹25,999) on the HVAC for the double-height volume, keeping the SOSA Vaayu (₹11,999) for normal-height zones on the same site.
Next step: send us the lobby's floor plan and ceiling height and we will do the cubic-metre maths - book a free scenting plan.
In this guide
Total square footage hides ceiling height. Multiply by height and divide by 35.3 to get the real number in cubic metres.
The shortlist for a double-height lobby - tap either machine
The tall-lobby machine
SOSA Angaan · ₹25,999
The signature scent question
Worth doing, not a sales tool
Get the volume checked
Free scenting plan
Straight answer
Should machine selection for a double-height gallery be based on total square footage?
No - and this is the single most common sizing error in a tall sales gallery. Floor-area rules of thumb (like "2,000-3,000 sq ft per Vaayu") quietly assume a normal 9 to 10 ft ceiling. A double-height space breaks that assumption. The honest calculation is square feet × ceiling height in feet, divided by 35.3, which gives cubic metres. Run the numbers: a 3,000 sq ft lobby at a 20 ft ceiling is about 1,700m³ - already past what one SOSA Vaayu, rated to 1000m³, can honestly cover. The same 3,000 sq ft at a normal 9 ft ceiling is only about 765m³, comfortably inside one Vaayu. The floor area did not change; the volume did. There is a second effect working against a tall room too: warm air rises, and it carries diffused fragrance upward with it, away from the buyers actually standing at ground level - so a double-height lobby loses scent twice over, once to sheer volume and once to buoyancy. The honest fix is not three or four Vaayu stacked into the same volume; it is one SOSA Angaan (₹25,999), rated to 3,000m³, connected to the building's HVAC so it works with the air already circulating rather than against gravity. A free scenting plan will do this arithmetic against your actual drawings, and a portion of every order supports girl-child education through Nanhi Kali.
No. Do the arithmetic: sq ft x ceiling height / 35.3 = m3. A tall lobby needs the Angaan, not more Vaayu units.
A double-height lobby needs a SOSA Angaan - HVAC-connected, rated to 3,000m³ (about 8,000-10,000 sq ft) - because the real volume of a tall room is routinely double what its floor area suggests, and warm air carries fragrance upward, away from buyers.
See the SOSA Angaan ₹25,999 Book a scenting plan
The arithmetic
Sq ft x ceiling height / 35.3 = cubic metres - do this before ordering
The machine that matches a tall lobby's real air volume
Two machines, chosen by an arithmetic result, not a guess.
The double-height lobby, on the HVAC
SOSA Angaan
HVAC nebulising diffuser rated to 3,000m³, roughly 8,000-10,000 sq ft, 800ml reservoir, metal body, programmable schedules, under 42dB. Connects to the building's air handling, using the airflow already moving through a tall space.
From ₹25,999
A normal-height side gallery or lounge
SOSA Vaayu
Waterless cold-air nebuliser rated to 1000m³ - about 2,000-3,000 sq ft at a normal ceiling. Right for any zone in the building that is not double height.
From ₹11,999
The sample flat
SOSA Vaayu (sample flat)
The same fragrance as the lobby, on its own machine, run much lighter - a home being demonstrated, not a public reception area.
From ₹11,999
The volume arithmetic a double-height lobby actually needs
Three facts settle this, and none of them is floor area.
1
Do the arithmetic
Sq ft x ceiling height (ft) / 35.3 = m³
This is the only honest sizing method for a tall room. A 3,000 sq ft lobby at a 20 ft ceiling comes to about 1,700m³ - already past one Vaayu's 1000m³ rating - while the same floor area at a 9 ft ceiling comes to about 765m³, comfortably inside it. The floor plan alone tells you nothing about which side of that line you are on.
Tip: always convert to cubic metres before choosing a machine for a tall space.
The Angaan is rated to 3,000m³, which absorbs the volume a double-height ceiling adds without needing several units.
See SOSA Angaan →
2
Warm air carries scent up, away from the nose
A tall lobby loses fragrance twice over
Volume is the first problem; buoyancy is the second. Warm air rises, and a diffused fragrance rises with it in a tall, open space, settling near the upper glazing rather than staying at head height where buyers actually are. This is exactly why stacking several ground-level Vaayu units in a double-height hall under-delivers - the air itself is working against them.
Connecting the Angaan to the HVAC lets it ride the building's existing air movement instead of relying on still air at floor level.
See SOSA Angaan →
3
Match the zone, not the whole building, to the machine
A tall lobby and a normal-height side gallery are different volumes
Most galleries with a double-height entrance still have normal-height rooms attached - a consultation area, a lounge, a sample flat. Those stay Vaayu territory. The Angaan is for the tall volume specifically, not a blanket upgrade for the whole site.
Tip: size each connected volume on its own, then pick the machine per zone.
The SOSA principle
Total square footage is the wrong number for a tall room. Cubic metres is the only honest measure, and it changes the answer.
A double-height lobby is not a bigger version of a normal gallery - it is a different volume problem entirely.
Vaayu or Angaan - why height changes the answer
Here is the arithmetic and the resulting machine choice, side by side.
The SOSA plan
Double-height lobby sizing - do the arithmetic
| Your lobby | What it needs |
|---|---|
|
3,000 sq ft at a normal 9-10 ft ceiling (about 765-850m3)
|
One SOSA Vaayu (₹11,999) - comfortably inside its 1000m³ rating. View → |
|
3,000 sq ft at a 20 ft double-height ceiling (about 1,700m3)
|
One SOSA Angaan (₹25,999) on the HVAC - already past one Vaayu's limit. View → |
|
5,000+ sq ft at double height (well past 2,000m3)
|
SOSA Angaan on the HVAC, sized to the connected volume, not stacked Vaayu units. View → |
|
A normal-height side gallery or sample flat attached to a tall lobby
|
Its own SOSA Vaayu, sized separately from the double-height zone. View → |
This same volume-not-floor-area arithmetic applies anywhere a gallery gets tall or open-plan; if you are building the signature scent for the rest of the site, our note on whether a Mohali developer should create a signature scent covers that groundwork, and the Tricity guide to evaluating a commercial scent machine covers the general checklist.
A double-height lobby needs the arithmetic, not a guess
Send us the floor plan and ceiling height and we will convert it to cubic metres before recommending anything.
Total square footage hid the one number that mattered. Ceiling height changed the answer from one machine to a different one entirely.
— Sonal Sahani, SOSA
Built for the building's air
HVAC-connected, so the machine works with the airflow, not against it
The SOSA specification for a double-height lobby
Two machines, chosen by volume. Both are waterless, so there is no damp and no residue on finishes, and both are made in India. A portion of every order supports girl-child education through Nanhi Kali.
The SOSA double-height lobby specification
Sized by cubic metres, not square footage
| Machine | Best for | Why it works | Price |
|---|---|---|---|
|
SOSA Angaan
|
A double-height lobby or entrance, roughly 1,000m3 and above | 3,000m³ on the building's HVAC, 800ml reservoir, metal body, programmable schedules, under 42dB | ₹25,999 View → |
|
SOSA Vaayu
|
Normal-height zones on the same site - side gallery, sample flat | 1000m³ (about 2,000-3,000 sq ft), 400ml tank up to 75 days, under 38dB | ₹11,999 View → |
The rule to keep: convert square footage to cubic metres before choosing anything, using ceiling height. A free scenting plan will do this from your actual drawings.
SS
ISIPCA
Versailles
Versailles
A note from Sonal
A Mohali developer told me his sales gallery has a huge double-height lobby, and asked whether machine selection should really be based on total square footage. No, and this is one of the most common sizing mistakes I see. A double-height lobby is a volume problem, and floor-area rules of thumb quietly assume a normal ceiling. Once the ceiling doubles, the room's air roughly doubles too, and the machine count needs to follow the air, not the floor plan.
Here is the arithmetic, and I would do it for any gallery before ordering anything: square feet × ceiling height in feet, divided by 35.3, gives cubic metres. A 3,000 sq ft lobby at a normal 9 to 10 ft ceiling is about 765-850m³ - comfortably inside one Vaayu's 1000m³ rating. The same 3,000 sq ft at a 20 ft double-height ceiling is about 1,700m³ - already past what one Vaayu can honestly cover, before you have added a single square foot of floor space. And warm air in a tall room rises, carrying fragrance up and away from the people actually standing in it, so a tall lobby loses scent twice over: once to sheer volume, once to buoyancy.
The honest fix is not two or three Vaayu fighting the same volume - it is one SOSA Angaan, rated to 3,000m³, connected to the building's HVAC so it works with the air movement already happening rather than against it. Everything is made in India, and a portion of every order supports girl-child education through Nanhi Kali.
Frequently asked questions
Should a double-height lobby be sized by total square footage?
No. Size it by cubic metres - square feet times ceiling height, divided by 35.3. A 3,000 sq ft lobby at a 20 ft ceiling comes to about 1,700 cubic metres, already past one SOSA Vaayu's 1000 cubic metre rating, even though the floor area alone looks manageable.
What is the arithmetic for converting a room to cubic metres?
Square feet multiplied by ceiling height in feet, divided by 35.3, gives cubic metres. Always use this for a double-height or unusually tall room before choosing a machine, since floor-area rules of thumb assume a normal ceiling.
Why does warm air make a tall lobby harder to scent?
Warm air rises, and it carries diffused fragrance upward with it in an open, double-height space, away from the people standing at ground level. Combined with the extra volume a tall ceiling adds, a double-height lobby effectively loses fragrance twice over.
What machine is right for a double-height sales gallery lobby?
A SOSA Angaan (Rs 25,999), rated to 3,000 cubic metres and connected to the building's HVAC, so it uses the air movement already happening in a tall space. A SOSA Vaayu (Rs 11,999) remains right for any normal-height zones attached to the same gallery.
Can several SOSA Vaayu units cover a double-height lobby instead of an Angaan?
It is possible but not the honest recommendation once the volume passes what a small number of Vaayu units can cover, and warm air working against ground-level units makes it less reliable. Past roughly 1000-1500 cubic metres in a single tall volume, one Angaan on the HVAC is the more dependable answer.
A volume problem, not a floor-area one
SOSA — Double-Height Gallery Scenting sized by cubic metres, not square footage
The SOSA Angaan (₹25,999) covers up to 3,000m³, about 8,000-10,000 sq ft, on the building's HVAC. Made in India, and a portion of every order supports girl-child education through Nanhi Kali. Send your ceiling height and we will do the arithmetic.
Book a free scenting plan → SOSA Angaan · ₹25,999
One more look - the two machines that do the job
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 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 the building's air handling or running standalone wall-mounted. The SOSA Vaayu (₹11,999) is a waterless cold-air nebuliser rated to 1000m³, about 2,000-3,000 sq ft, with a 400ml tank lasting up to about 75 days and operation under 38dB. 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.