With summer arriving in Marina Baixa, the heat and humidity in areas like Benidorm, Altea, or Villajoyosa make having a good climate control system at home not a luxury, but a necessity.
If you're thinking about installing new equipment, a major question will likely arise: Which is better: Split, Multisplit, or Ducted Air?
At Climática Instalaciones, with over 30 years of experience in the sector, we have prepared this definitive guide to help you choose the optimum system based on your property type, budget, and aesthetic preferences, always prioritising energy efficiency.
Split 1x1 Air Conditioning: The Classic and Economical Solution
The Split 1x1 system is the most common in the residential sphere. It consists of two units: an indoor unit (placed in the room to be cooled) and an outdoor unit (the compressor). Depending on aesthetics and layout, the indoor unit can be wall-mounted (mural), cassette (in the ceiling), or floor-ceiling.
- Ideal for: Cooling individual rooms, lounges, or small flats independently.
- Advantages: It is the most economical option in terms of equipment and installation. Its maintenance is simple.
- Disadvantages: If you want to air-condition three rooms, you will need to install three outdoor units on the facade or terrace, which is not always possible due to aesthetics or community regulations.
Multisplit Air Conditioning: More Comfort with a Single Outdoor Unit
The Multisplit system evolves the previous concept. It allows connecting up to 6 indoor units of different capacities to a single outdoor unit.
- Ideal for: Properties with multiple rooms where facade space is limited or Benidorm neighbours' association bylaws prohibit installing multiple compressors.
- Advantages: Outdoor space savings, flexibility to air-condition the rooms you choose, and independent temperature control in each room.
- Disadvantages: Initial installation requires running refrigerant lines from each room to the single outdoor point, which can complicate interior aesthetics if not done using false ceilings or well-integrated trunking.
Ducted Air Conditioning: Aesthetics and Total Integration
Ducted air conditioning is a very practical centralised system. It uses an indoor unit hidden in the false ceiling (usually in the bathroom) and distributes fresh air to all rooms through a network of ducts that end in supply and return grilles.
- Ideal for: Medium or large properties, villas, offices, and comprehensive renovations where a clean and minimalist design is desired.
- Advantages: It is completely invisible (only the grilles are seen), distributes airflow evenly, and is the quietest system. Furthermore, it allows for zoning (regulating the temperature of each room independently with smart thermostats).
- Disadvantages: Requires pre-installation of ducts in the ceiling or undertaking minor building work to create false ceilings if the property does not have them.
Comparative Table: Which to Choose Based on Your Needs?
| Feature | Split 1x1 | Multisplit | Ducted |
|---|---|---|---|
| Initial Investment | Low | Medium | High (if no pre-installation) |
| Aesthetic Impact | Visible on wall | Visible on wall | Invisible (only grilles) |
| Outdoor Units | One per room | A single one for the whole house | A single one for the whole house |
| Recommended Use | Specific rooms | Flats without outdoor space | Whole properties / Villas |
| Zoning | Yes (individual) | Yes (individual) | Requires smart system |
Quick Answers to Frequently Asked Questions (FAQ)
How many frigorific units (frigorías) do I need for my lounge or room?
As a general rule on the Costa Blanca, calculate around 100 frigorific units per square metre. For a lounge of 25 m², you will need equipment of at least 2,500 frigorific units (about 3 kW). However, factors such as sun orientation or insulation influence this, so we always perform a prior thermal load study.
What happens if my neighbours' association doesn't allow me to put the compressor on the facade?
This is a very common problem in Benidorm. In these cases, the Multisplit or Ducted system are the best alternatives, as they allow locating the single outdoor unit on an interior terrace, utility area, or permitted communal area, supplying the whole house.
Why is annual maintenance before summer important?
Regulations require thermal systems to be maintained at least once a year. Cleaning the filters and checking the refrigerant gas charges prevents the appliance from working too hard. A dirty or gas-less piece of equipment can consume up to 30% more electricity and suffer serious breakdowns in the months of July and August.
Trust Authorised Professionals in Marina Baixa
There is no single best system, only an optimum solution for each home. At Climática Instalaciones, we perform a free study of your property's thermal needs, taking into account the construction characteristics, energy efficiency, and your budget.
We are a maintenance company authorised by the Ministry of Industry and provide immediate technical service in Benidorm, Altea, Calpe, La Vila Joiosa, Finestrat, La Nucía, and Alfaz del Pi.
Do you want to spend a cool summer and save on your bill? Contact us today and request your non-binding quote.




