
Air Conditioning Installation in Belgium: Everything You Need to Know
Are you considering installing air conditioning in your home or office in Belgium? Whether you live in Flanders, Brussels, or Wallonia, this article guides you through the key steps, local regulations, and practical advice for a successful project.
Why install air conditioning in Belgium?
Although Belgium is renowned for its temperate climate, summers can become increasingly hot. Properly installed air conditioning can:
- Maintain a comfortable temperature in your interior spaces.
- Reduce excessive humidity, often present in certain Belgian regions.
- Improve living comfort, especially during heat waves.
What are the benefits?
- Optimal comfort : Enjoy a cool environment even during hot weather.
- Energy savings : Modern systems are energy efficient.
- Increased property value : Installing air conditioning can make your property more attractive on the market.
The different types of air conditioning available
Before choosing a system, it is important to understand the options available:
1. Monobloc air conditioners
- Ideal for small rooms or limited budgets.
- Simple installation without major modification to the building structure.
2. Split air conditioners
- Perfect for medium sized homes or apartments.
- Composed of an indoor unit and an outdoor unit, providing efficient cooling.
3. Centralized systems
- Designed for large properties or offices.
- Allows you to control the temperature of each room individually.
4. Reversible heat pump
- Combine heating and air conditioning.
- Very popular in Belgium thanks to its energy efficiency.

Necessary regulations and authorizations
The installation of air conditioning in Belgium is subject to certain regulations, which vary depending on the region:
In the Flemish Region
- No specific authorization is required for small air conditioners (power less than 12 kW).
- For more powerful systems, an environmental permit may be required.
In Brussels-Capital
- The installation must comply with the Region's strict environmental standards.
- Prior notice to Brussels Environment is mandatory for systems containing refrigerants.
In Wallonia
- The installations must comply with the Walloon Regional Planning Code.
- A PEB (Energy Performance of Buildings) certificate may be required for work related to air conditioning.
Tip : Always consult a professional to verify the specific requirements of your project and ensure proper installation.

How to choose the right system for your needs?
1. Size of the space to be air conditioned
- Calculate the area of the room or building to determine the power required.
2. Budget
- Compare the purchase, installation and maintenance costs of each type of air conditioner.
3. Energy consumption
- Choose systems with a high energy class (A+++).
4. Sound level
- If you live in an apartment or near neighbors, choose quiet devices.
How much does it cost to install air conditioning in Belgium?
The cost of an air conditioning installation varies depending on several factors:
- System type : From €500 for a single-unit air conditioner to over €5,000 for a centralized system.
- Labor : Between €300 and €1,000 depending on the complexity of the installation.
- Possible subsidies : Some regions offer financial assistance for energy-efficient systems.
Example : In Brussels, the “Prime Renowatt” program can subsidize up to 30% of the total cost for reversible heat pumps.
FAQ: Frequently Asked Questions About Air Conditioning Installation
1: Is it possible to install air conditioning in an apartment?
Yes, but it depends on the apartment's layout and the condominium rules. Monobloc or split air conditioners are often the most suitable solutions.
2: When is the best time to install air conditioning?
Ideally, between September and April, when demand is lower and prices more competitive.
3: How to maintain air conditioning?
- Clean the filters regularly.
- Call a professional for annual maintenance.
Conclusion :
Prepare your air conditioning installation project
Installing air conditioning is a wise investment to improve your comfort in the summer. By considering local regulations, available options, and costs, you can choose a system that suits your needs. Don't hesitate to consult qualified professionals to ensure a successful installation.