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Quad Split Cassette Air Conditioners

Four cassette units recessed into the ceiling connected to a single outdoor motor: you cool four commercial spaces with even distribution across the whole room and visible pipework kept to a minimum. Inverter heat pump for year-round comfort.
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What is a quad split cassette air conditioner?

The quad split cassette connects four cassette indoor units to a single outdoor unit. The cassettes are installed recessed into the suspended ceiling and diffuse the air in several directions, ensuring even distribution throughout the space. It is the configuration designed for those who need to cool four commercial spaces, such as offices, meeting rooms, shops and hospitality venues, with a single outdoor motor.

Why cassette units in commercial spaces

The ceiling cassette is the most common solution in public and professional premises: it stays almost invisible because it is integrated into the suspended ceiling, frees up the walls completely and distributes the air 360 degrees without creating annoying direct draughts. That is why it is preferred in large, busy spaces. If you need a single cassette unit, consider a monosplit cassette; for the entire range see the cassette air conditioners.

Four spaces with a single outdoor motor

With the quad split you connect four cassettes to a single outdoor unit: you take up just one technical spot on the roof or at the rear of the business and keep the exterior of the building tidy. It is the natural choice when you need to serve four separate zones of the same premises. If there are only two or three spaces, you can look at a trial split, while for wall units alone you find the quad split wall-mounted. All combinations are put together from the multisplit configurator.

How to size the power

In cassette systems the power of each unit is calculated on the square metres, the ceiling height and the flow of people, factors typical of commercial spaces. Each cassette can have a different size, so you assign more power to the larger or busier zones and contain consumption where less cooling is needed. For correct sizing it pays to get assistance at the time of purchase.

Heat pump and consumption

The cassettes work as inverter heat pumps, so they cool in summer and heat in winter, modulating the power according to the actual load of the premises. Cooling efficiency is read in the SEER value, heating efficiency in the SCOP, and high ratings mean lower consumption, a decisive aspect when the system stays on for many hours a day in a business.

The best brands available

You find the most reliable manufacturers for professional use, with official warranty and readily available spare parts: Daikin, Hisense and Midea. Prices start at around 2231 euros and rise to the most powerful solutions for the most demanding floor areas, depending on the needs of the business.

Related solutions

Frequently asked questions

What is a cassette unit?
It is an indoor unit installed recessed into the suspended ceiling that diffuses the air in several directions. It stays almost invisible, frees up the walls and distributes cooling evenly, which is why it is the typical choice for commercial premises.
Why choose the quad split for a commercial business?
Because it lets you cool four separate spaces, such as offices, halls and shops, with a single outdoor motor. You reduce the footprint outside and get even air distribution in every zone.
Can I use different power levels for the four cassettes?
Yes. In a quad split you can combine cassettes with different sizes, so you assign more power to the larger or busier zones and use less where the demand is reduced.
What is the difference between quad split cassette and wall-mounted?
The type of indoor unit changes. In the quad split cassette the four units are recessed into the ceiling, ideal for commercial spaces, while in the quad split wall-mounted they are fitted high on the wall. In both cases four indoor units are connected to a single outdoor motor.
Do the cassettes heat in winter too?
Yes, they work as inverter heat pumps and therefore cool in summer and heat in winter, ensuring year-round comfort with 360-degree air distribution across the whole premises.
How do I choose the power for a commercial space?
It is calculated on the square metres, the ceiling height and the flow of people. Since these are busy and often large spaces, it pays to get assistance at the time of purchase to size each cassette correctly.