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Wall-mounted dual split air conditioners

Cool and heat two rooms with a single outdoor unit: two wall-mounted indoor units connected to one outdoor unit. Ideal for reducing clutter, with inverter heat pump technology up to A+++ class. The best brands ready to ship.
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What is a wall-mounted dual split air conditioner?

A wall-mounted dual split air conditioner connects two indoor units to a single outdoor unit. It is the ideal solution when you want to cool two different rooms, such as the bedroom and the living room, while reducing clutter on the balcony or facade compared to two separate mono-split systems. Thanks to inverter heat pump technology, each split cools in summer and heats in winter, with the option to control each room independently.

When is a dual split better than two mono-splits?

A dual split is the smartest choice when the two rooms to be cooled are close together and share the same outside wall. A single outdoor unit means fewer units hanging on the facade, a single electrical supply and often less masonry work. If instead you only need to serve one room, a wall-mounted mono-split air conditioner is more suitable, while for three rooms you can consider a wall-mounted tri-split or a configurable multi-split system.

How many BTU does each room need?

In a dual split, each indoor unit has its own capacity, chosen based on the floor area in m² and the room's insulation. In our catalogue you mainly find these sizes for the indoor units:

  • 9000 BTU: rooms up to about 25 m², such as bedrooms and studies.
  • 12000 BTU: rooms from 25 to 35 m², such as medium-sized living rooms.
  • 18000 BTU: rooms from 35 to 50 m² and open-plan spaces.

The most popular combinations pair two 9000 BTU units for two bedrooms, or a 9000 plus a 12000 when one room is larger. The outdoor unit's capacity is already sized to match the total of the indoor units.

Does a dual split really heat in winter too?

Yes. Inverter heat pump models produce heat efficiently even when it is cold outside, thanks to a good SCOP value. In many situations, heating with an A+++ class dual split costs less than gas radiators, especially during the mid-seasons, and it lets you heat only the rooms you actually use.

Energy consumption and efficiency class

Cooling efficiency is shown by the SEER value, while heating efficiency is shown by the SCOP: the higher these ratings, the lower the consumption. A+++ class models clearly reduce electricity draw, because inverter technology modulates the output instead of constantly switching on and off. With a single outdoor unit serving two indoor units, the system works in a balanced way and keeps waste low.

Which brands can you choose?

You will find the leading manufacturers in the sector, with official warranty and readily available spare parts: Daikin, Mitsubishi Electric, Bosch, Samsung, Panasonic, Hisense, Midea, Haier, Fujitsu and LG. Prices for dual split kits start at around 478 euros and go up to over 4200 euros for the highest-performing solutions, so you can find the right setup for every budget.

Tax incentives, smart home and related solutions

Buying and installing a heat pump dual split may qualify for tax incentives where applicable, such as reduced VAT for renovation work: the conditions depend on the type of work, so it is worth checking the current requirements. If you want to manage both rooms from your smartphone, take a look at the smart air conditioners with Alexa and Google Home. Here are a few other useful ideas:

Frequently asked questions

What is the difference between a dual split and two mono-splits?
The dual split connects two indoor units to a single outdoor unit, while two mono-splits have two separate outdoor units. With a dual split you reduce clutter on the facade and simplify the system, provided the rooms are close enough to the same outdoor unit.
Can I choose indoor units with different BTU?
Yes. In a dual split you can combine units of different capacity, for example a 9000 BTU one for the bedroom and a 12000 BTU one for the living room. The outdoor unit's capacity is sized to match the total of the connected indoor units.
Does the dual split heat in winter too?
Yes, inverter heat pump models heat efficiently even at low outdoor temperatures and let you independently heat only the rooms you use, reducing consumption.
How much does a wall-mounted dual split kit cost?
In our catalogue dual split kits start at around 478 euros and go up to over 4200 euros for the highest-performing A+++ class models. The price depends on the brands chosen, the capacity of the indoor units and the smart features.
How many square metres does a dual split cover?
It depends on the capacity of the two indoor units. A 9000 plus 9000 BTU combination comfortably covers two rooms of up to about 25 m² each, while stepping up to 12000 or 18000 BTU reaches larger rooms and open-plan spaces.
Can I get reduced VAT on the dual split?
In many cases yes, when the installation is part of renovation work. Applying reduced VAT and incentives depends on the type of work and the documentation, so it is worth checking the current requirements before you buy.
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