A desert cooler is a standalone room cooler for a home, shop or small office. A duct cooler is an industrial cooler that sits outside the building and sends 18,000 to 50,000 m³/h of cooled air through ducts to large floors. Both use evaporative cooling; the difference is scale, where the unit sits and how the air is delivered.
What each one is
Desert cooler: a free-standing box cooler with a fan, pads and a tank, placed in or at the window of a room. It blows air directly into the space in front of it.
Duct cooler (ducting cooler): a larger industrial cooler mounted outside on a wall bracket, stand or roof, connected to ducts that carry the cooled air inside and release it through grills over the work areas.
Comparison
| Desert cooler | Duct cooler | |
|---|---|---|
| Typical use | Homes, small shops, small offices | Factories, warehouses, halls, large kitchens |
| Airflow | A few thousand m³/h | 18,000 to 50,000 m³/h |
| Area per unit | One room | 1,000 to 3,000 sq ft per unit |
| Placement | Inside or at a window | Outside the building |
| Air delivery | Directly from the unit | Through ducts and grills |
| Noise inside | Unit is in the room | Unit is outside, quieter inside |
| Water | Filled by hand | Connected to a water line |
| Power | Single phase | Single or three phase, optional VFD |
Why factories use duct coolers
- Reach: ducts deliver air to every work area, not just near the unit.
- Space: nothing on the factory floor.
- Noise and water: the fan, pump and water stay outside.
- Capacity: one unit does the work of many room coolers.
When a standalone cooler still makes sense
For shops, small workshops and event spaces that cannot take ducting, a standalone commercial cooler fits better. Our Smart Cooler SC23 moves 18,000 CMH on single phase with an auto swing grill, and the garden cooler suits open plots and events.
Choosing
- One room or a small shop: a standalone cooler
- A workshop up to about 1,000 sq ft: an 18,000 CMH duct cooler or the SC23
- A factory or warehouse floor: duct coolers sized with the industrial cooler calculator
See all duct air coolers.
Frequently asked questions
What is the difference between a duct cooler and a desert cooler?
A desert cooler is a standalone room cooler; a duct cooler is a larger industrial unit outside the building that sends cooled air through ducts to large floors.
Which is better for a factory?
A duct cooler, because it delivers far more air through ducts to every work area, with the unit and its water outside.
Can a duct cooler be used at home?
It is designed for large spaces. For a single room, a standalone cooler is more practical.