Split and Multi-Split Air Conditioning in Mallorca
A split system is an indoor unit joined to an outdoor unit by two pipes. It needs a wall, a route and somewhere for the condenser to stand, and nothing else. That is why it suits a property that is already finished, with no ceiling void to run ducts through, and why the interesting decision is not whether to have one but how many outdoor units to run.
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Single split, multi-split, and the choice between them
A single split is one indoor unit and one outdoor unit, working as a self-contained system. A multi-split runs several indoor units from one outdoor unit, so a property with four rooms to condition can have one condenser instead of four.
The argument for multi-split is almost always the outside of the building. One machine on a terrace, one set of brackets, one power supply, and one thing to look at instead of four. On a facade that may not be cluttered, or a small terrace with nowhere to put a row of units, that is often the deciding factor rather than a preference.
The argument against it is that everything shares a fate. If the outdoor unit fails, every room served by it stops at once, and in August that is a different problem from one bedroom being warm. Separate systems also let each room be sized properly for itself, where a multi-split has to balance what it can deliver across whatever is running.
Where separate split systems tend to be the better answer
- Rooms used at very different times, such as a rental annexe and a main house
- Properties where one unit failing must not take the whole house with it
- Rooms far apart, where a shared pipe route would be long and awkward
- A phased installation, one or two rooms now and the rest later
- Places where an outdoor unit can sit close to the room it serves
Where a multi-split tends to be the better answer
- Facades and terraces where only one outdoor unit will be accepted or will fit
- Apartments with a single balcony or a shared elevation
- Properties where the rooms are close together and the pipe runs are short
- Buildings where a single power supply is easier than several
- A whole floor being conditioned at once rather than room by room
How a split installation runs
Shorter than any other system on the site, which is exactly why it is worth getting the positions right first.
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Positions before prices
Where each indoor unit goes, where the outdoor unit stands, and how the pipe gets between them. Everything else follows from those three, and changing them afterwards means opening walls twice.
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Sizing per room
Each room is calculated on its glazing, orientation and use. On a multi-split the combined load is checked as well, because the outdoor unit has a limit that a list of indoor units can quietly exceed.
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Routes and drainage
The pipe route, chased or boxed, and a condensate drain that falls the whole way to somewhere sensible. Drains that rely on a pump are a maintenance item rather than a solution.
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Installation
Brackets, units, pipework, cabling and drain, then pressure testing before the system is charged.
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Commissioning
Charged, run and checked under load, with the temperatures measured rather than assumed, and the controls explained.
Where the indoor unit goes matters more than the model
A wall unit throws air across a room, so it wants a long wall and clear space in front of it. Put it above a bed and the sleeper gets a draught; put it in a corner facing a wardrobe and half the room never sees the air. Neither is a fault in the equipment and both are common.
The controller is worth the same attention. A thermostat in the coolest corner of an open-plan space will switch the system off while the rest of the room is still warm, and a unit that is constantly satisfied is a unit that never gets around to removing the humidity.
The outdoor unit has its own version of this. It rejects heat, so it needs air moving through it. Boxed into a light well, tucked under a stair with no clearance, or standing in full afternoon sun against a hot wall, it works harder for less, and it is measured in both the electricity bill and the working life of the compressor.
Compare with
Ducted air conditioning
Air conditioning installation
How your request reaches a company
Mallorca Climate Control is a comparison service. A request for a split or multi-split installation goes to the air conditioning and heat pump companies on our list; they quote the work and carry it out, and any agreement is between you and the company you pick.
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Describe the job
Tell us the property, roughly what you want and where it is. Photographs and a rough plan help, though neither is required.
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We match it
The request goes to companies that work in your area and take on this kind of job at this size.
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They quote you
Each company contacts you directly with its own price, timing and approach. We do not set any of it.
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You compare and choose
Put the quotes side by side and take the one you want, or none of them. Using the site costs you nothing.
How many indoor units can one outdoor unit run?
It varies by equipment, and the number matters less than the total capacity. An outdoor unit has a limit, and connecting indoor units whose combined demand exceeds it means that when everything runs at once, nothing performs as specified. Ask what the combined load is against what the outdoor unit can deliver.
Is a multi-split cheaper than separate systems?
Usually on equipment and often on installation, because there is one condenser, one power supply and one set of brackets. The saving is smaller than people expect once the longer pipe runs are counted, and it comes with the shared-failure trade.
Can I add another room to an existing multi-split?
Only if the outdoor unit has spare capacity and a spare port, which is why it is worth saying at the start that more rooms may follow. Retrofitting a fifth room onto a system sized for four means replacing the outdoor unit, which is a much larger job than adding the room would have been.
Do split units heat as well as cool?
Nearly all of them do. They reverse, so the same unit that cools in summer will warm a room in winter, and for a property used mainly in the warm months that is usually all the heating anybody needs.
How visible does the outdoor unit have to be?
It has to breathe and be reachable for servicing, and beyond that there is more freedom than people assume. Screens, louvred enclosures and roof positions are all workable provided the airflow is genuinely there. A unit sealed into a decorative box is the common mistake.
Get split and multi-split quotes
Describe the rooms and the property once, and let several companies price the same brief.