Short answer
Scent marketing in showrooms helps give an environment a recognisable atmosphere in which products are discovered and discussed. The scent must match the materials, brand positioning and length of stay and must not disruptively take over the products' own scent.
A showroom sells imagination
In a furniture, kitchen, real estate or design showroom, a customer rarely buys only what is in front of them. They try to imagine how the product fits into their own life.
That is why showrooms are particularly sensitive to atmosphere. Light, space, material and scent together form the setting in which that imagination arises.
Use scent to strengthen the brand
A warm woody scent can support natural materials. A bright mineral accord can suit an architectural concept. A soft musk can refine a residential setting.
The choice must always be made from the perspective of the specific brand, not from a general formula for "luxury".
Take product odours into account
Leather, wood, textiles, cars and new materials already have their own scent. An ambient scent should not fight with that.
With strong natural product odours, a lower intensity or a very transparent profile is often better.
Longer conversations call for comfort
Showroom visits can take a long time. Customers sit at a table, discuss quotes and walk several rounds through the space. The scent must therefore remain pleasant even after an hour.
Scent zones for large areas
Large showrooms can have several floors or style rooms. One central scent can work there, but sometimes it is wiser to dose per air zone.
Recognisability on repeat visits
A purchasing process can involve several visits. A consistent scent helps re-establish the same brand context when the customer returns.