
Choosing the right commercial mini split isn't just about BTU capacity. Installation flexibility, airflow distribution, and interior space requirements all play an important role in finding the right system.
TOSOT offers four indoor unit styles for light commercial applications: Floor Standing, Ceiling Cassette, Floor/Ceiling, and Concealed Ducted. Each configuration offers different installation options and airflow advantages to accommodate various commercial spaces.
1. Compare Four Indoor Unit Styles
|
Type |
Best For |
Installation |
Key Advantage |
|
Large open rooms, halls, commercial spaces |
Freestanding on floor |
Powerful airflow without ceiling installation |
|
|
Offices, restaurants, retail stores |
Recessed into ceiling |
Multi-directional airflow |
|
|
Showrooms, studios, glass-front spaces |
Floor-mounted or ceiling-suspended |
Flexible installation |
|
|
Offices, restaurants, multi-room layouts |
Hidden above ceiling with ducts |
Discreet appearance and distributed airflow |
2. Key Specifications Comparison
|
Feature |
Floor Standing |
Ceiling Cassette |
Floor/Ceiling |
Concealed Ducted |
|
Capacity |
36K BTU |
9K–24K BTU |
18K–24K BTU |
18K–24K BTU |
|
Built-in Drain Pump |
No |
Yes |
No |
Yes |
|
Ductwork Required |
No |
No |
No |
Yes |
|
Main Advantage |
Large-space coverage |
Open-area airflow |
Installation flexibility |
Concealed design |
*Specifications vary by model. Floor Standing refers to the TOSOT COSMO 36K system; the other three configurations belong to the Aoraki Light Commercial Series.
3. Which System Should You Choose?
Floor Standing Mini Split
Choose Floor Standing for spacious commercial areas where floor space is available but wall or ceiling installation is limited. Its freestanding design delivers powerful airflow without requiring a recessed ceiling installation, making it a practical option for commercial halls and large interiors.
Ceiling Cassette Mini Split
Choose Ceiling Cassette for open-plan offices, restaurants, and retail spaces that benefit from multi-directional airflow. Its recessed ceiling design helps distribute conditioned air across open areas while keeping walls free for furniture, displays, and other equipment.
Floor/Ceiling Mini Split
Choose Floor/Ceiling when windows, displays, or architectural features limit available wall space. Its flexible floor-mounted or ceiling-suspended installation options allow the system to adapt to different room layouts and interior requirements.
Concealed Ducted Mini Split
Choose Concealed Ducted when aesthetics matter or conditioned air needs to reach multiple areas through ductwork. Installed above the ceiling, the indoor unit remains hidden while allowing conditioned air to be distributed through strategically placed outlets.
The Aoraki Concealed Ducted system supports external static pressure up to 200 Pa, providing greater flexibility in ductwork design and airflow distribution.
4. Choose the Right Capacity
Before selecting a commercial mini split, consider more than just the room's square footage. Important factors include:
- Room Size: Larger spaces generally require greater cooling and heating capacity.
- Ceiling Height: Higher ceilings can increase the conditioned air volume.
- Insulation: Poor insulation may increase heating and cooling demands.
- Window Exposure: Large windows and direct sunlight can add significant heat.
- Occupancy: More people and equipment can increase the indoor heat load.
- Local Climate: Regional temperature extremes influence system performance and capacity requirements.
A professional heating and cooling load calculation helps ensure the selected system matches the building's actual needs.
Find the Right TOSOT System
From powerful floor-standing units to concealed ducted solutions, TOSOT offers flexible heating and cooling options for different commercial applications.
Explore TOSOT Light Commercial Systems and find the configuration that fits your space.


