Have several rooms to cool but don’t want a cluster of outdoor units on your facade? A multi-split system solves exactly that — one outdoor unit powers two, three or more indoor units, each with independent control.
At Svit Komfortu, we design and install multi-split systems in Varna. Here we explain how they work, when they’re the best solution and how much they cost.
Contents
In short: what it is
A multi-split system is an inverter air conditioner in which one outdoor unit serves several indoor units. Unlike a standard split air conditioner (one outdoor + one indoor), here 2 to 5 indoor units located in different rooms connect to a single compressor.
Each indoor unit works independently: you can cool the living room while the air conditioner in the bedroom is off. The system is fully inverter-driven, which means smooth operation and low power consumption.
How the shared refrigerant circuit works, what the designations AM2 and K3OA mean, why the outdoor unit’s capacity isn’t the sum of the indoor units, and which three limitations you should know in advance: see the detailed explanation in what is a multi-split system.
When to Choose a Multi-Split System
A multi-split solution makes sense in specific situations:
- Several rooms to air-condition — an apartment with 2–4 rooms
- Limited space on the facade — one outdoor unit instead of three or four
- Aesthetics — a clean facade, important in new buildings and under condominium rules
- Independent climate — a different temperature in each room
If you’re only air-conditioning one room, a standard split air conditioner is more cost-effective. For a large single room, see air conditioner for 60 m², and for capacity calculation — how many BTU you need.
How many indoor units you need
The number of indoor units is determined by the number of rooms you want to air-condition. The outdoor unit is chosen based on the total capacity of the indoor units.
- Duo (2 indoor units) → bedroom + living room; the most common choice for an apartment
- Triple (3 units) → two bedrooms + living room
- 4–5 units → a large apartment or two-story house
Pros and cons
A multi-split system isn’t a one-size-fits-all solution — it has clear strengths and weaknesses.
- ✅ One outdoor unit — a clean facade and less noise outside
- ✅ Independent control of each room
- ✅ Inverter energy savings, class A++ / A+++
- ✅ Fewer wall penetrations and line runs with proper design
- ⚠️ Higher upfront cost than a single split air conditioner
- ⚠️ If the outdoor unit fails, all indoor units stop
That’s why, for 2 rooms, two separate air conditioners sometimes cost about the same and are more reliable. The decision depends on the layout — our technicians will give you an honest recommendation after a site visit.
Estimated Multi-Split System Prices
As a guide — price ranges for an inverter multi-split system with installation included. The exact price depends on the number and capacity of the indoor units, the brand and the line length.
| Configuration | Suitable for | Price with installation |
|---|---|---|
| Duo (2 units) | bedroom + living room | from ≈ €1 300 |
| Three units | 2 bedrooms + living room | from ≈ €1 900 |
| 4–5 units | large apartment / house | from ≈ €2 600 |
For the most common configuration, there’s a separate breakdown with real package prices and an honest comparison with two separate air conditioners: air conditioner with two indoor units.
Prices are approximate. For a current quote, browse multi-split systems in our catalog or request a free site visit.
Multi-Split System Brands and Installation
Most leading brands offer multi-split systems — from budget to premium. The choice depends on your budget and your requirements for quietness and efficiency.
- Budget class → AUX, Gree — good value for money
- Premium → Daikin, Mitsubishi — maximum efficiency and quiet operation
Browse all air conditioner brands, and for professional air conditioner installation in Varna , see our terms. We also offer a full range of air conditioners in Varna with delivery.
Planning a multi-split system for your home or office?
Contact Svit Komfortu for a free site visit and design — we’ll size the outdoor and indoor units to your rooms, with a clear final price and installation in Varna.
Frequently asked questions
What is a multi-split system?
A multi-split system is an inverter air conditioner in which one outdoor unit powers several indoor units (from 2 to 5), each in a separate room with independent control.
How much does a multi-split system with installation cost?
A duo system (2 indoor units) with installation included starts from about €1 300, with three units from about €1 900, and with 4–5 units from about €2 600. The exact price depends on capacity, brand and line length.
Is a multi-split system more cost-effective than several separate air conditioners?
For 3 or more rooms close to each other, a multi-split system is usually more cost-effective and more attractive. For just 2 rooms, two separate air conditioners sometimes cost about the same and are more reliable.
How many indoor units can connect to one outdoor unit?
Typically 2 to 5 indoor units per outdoor unit. Their number and capacity are sized to the rooms you’re air-conditioning.
Can each room have a different temperature?
Yes. Each indoor unit is controlled independently — you can cool one room while the other units are off.
👉 Looking for separate wall-mounted units? See all Gree air conditioners — quiet inverter models with installation and warranty.
