See what air conditioning installation will cost in 2026. Compare prices of split units, multi-split systems and mobile air conditioning. Get free quotes.
Average cost for a aircon installer (average)
There are different types of home air conditioning. The most common is the split unit: an outdoor unit linked to an indoor unit that you mount on the wall. A multi-split system links multiple indoor units to an outdoor unit, so you can cool multiple rooms. Mobile air conditioning units are the cheapest option but less efficient and noisier.
Modern air conditioning systems work as a heat pump and can also heat in addition to cooling. This makes air conditioning an interesting addition to your central heating, especially in the shoulder season. When choosing, pay attention to the energy label, the noise level and the cooling capacity in relation to the space.
A single split unit including installation costs an average of 1,500 to 2,800 euros. For a multi-split system with two indoor units you pay 3,000 to 4,500 euros, and with three units 4,500 to 6,000 euros. The installation costs alone amount to 400 to 800 euros, depending on the pipe length and complexity.
Mobile air conditioning units are cheaper to purchase (300 to 800 euros) but consume more energy and cool less effectively. In the longer term, a fixed split unit is almost always cheaper. The annual maintenance costs are between 80 and 150 euros.
Choose an F-gases certified installer. This is legally required for working with refrigerants. The technician must calculate the correct capacity based on the space, insulation and solar load. An air conditioner that is too small runs continuously at full power, while one that is too large keeps switching on and off, both of which are inefficient.
Take the placement of the outdoor unit into account. In apartments you need permission from the homeowners' association. The outdoor unit must be free for good air circulation and must not cause noise pollution for neighbors. Keep the pipes as short as possible for the best efficiency.
Always compare at least three quotes. Preferably have the air conditioning installed in the autumn or winter, when installers are less busy and sometimes offer discounts. Choose a model with a high energy label (A+++ preferably) for the lowest electricity costs. Combine the air conditioning with good insulation and sun blinds for maximum effect.
A well-maintained air conditioner lasts 12 to 18 years. Have the filters cleaned every two to four weeks and schedule professional maintenance annually. The technician then checks the coolant, cleans the heat exchanger and tests its operation. Overdue maintenance can lead to mold formation and higher energy costs.
| Service | From | To | Unit |
|---|---|---|---|
| Split unit air conditioning (incl. installation) | €1500 | €2800 | per piece |
| Multi-split 2 indoor units | €3000 | €4500 | total |
| Multi-split 3 indoor units | €4500 | €6000 | total |
| Mobile air conditioning installation (drain) | €100 | €250 | per piece |
| Air conditioning maintenance (annual) | €80 | €150 | per turn |
| Add coolant | €150 | €300 | at a time |
| Piping (extra meters) | €40 | €70 | per meter |
A single split unit is much cheaper than a multi-split system. The more indoor units, the higher the costs.
The distance between the indoor and outdoor units determines how much piping is required. Long pipes increase installation costs.
Larger spaces require a more powerful unit. A higher capacity means a more expensive unit.
Installation on a flat roof or difficult-to-reach facade costs more due to extra materials and labor time.
A split-unit air conditioner suitable for an average living room (25-40 m2) costs 1,500 to 2,800 euros, including installation. The exact price depends on the brand, power and pipe length.
Most homes do not require a permit. For an apartment, you do need permission from the homeowners' association for the outdoor unit. Always check the local rules with your municipality.
A modern split unit with energy label A+++ uses an average of 0.5 to 1.5 kWh per hour during active cooling. With normal use in the summer you end up with 200 to 500 kWh per season, or 60 to 175 euros in electricity costs.
The installation of a single split unit takes an average of 4 to 6 hours. With a multi-split system you should count on 1 to 2 days, depending on the number of indoor units and the complexity of the pipework.
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