Air conditioning installation in Aalst
Prices are valid for 2026 and are indicative
Here you can see what air conditioning installation in Aalst costs on average. We explain what the price consists of and which local factors have the biggest impact.
Price indications range between €1,500 and €4,500 per installation, based on current 2026 market data. The price depends on the type of system (single-split or multi-split), the power in kW, the chosen brand, and the complexity of the installation. A certified refrigeration installer is legally required for working with refrigerants. Brands such as Daikin, Mitsubishi Electric, and Fujitsu are known for reliability and high COP values.
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Local price
€1.500 - €4.500
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This is an estimate based on average 2026 prices. Actual costs may vary. Always request multiple quotes for an exact price.
Cost factors
The total cost usually consists of:
- Indoor and outdoor unit: 45-60% of the total
- Installation and refrigerant piping: 25-35% of the total
- Electrical connection and wiring: 10-15% of the total
- Wall penetrations, brackets, and finishing: 5-10% of the total
These percentages can vary depending on the chosen system, power, and length of the piping.
Why do prices vary?
- Single-split vs. multi-split: A single-split cools or heats one room and is cheaper. A multi-split with multiple indoor units on one outdoor unit is more expensive but more efficient for multiple rooms.
- Capacity and room size: The required power (expressed in kW or BTU) depends on the size and insulation of the room. An incorrectly sized system is inefficient.
- Brand and EPC rating: Brands like Daikin and Mitsubishi Electric are more expensive to purchase but have higher COP values and last longer than cheaper alternatives.
- Pipe length and wall penetrations: The more meters of piping to be laid and the more walls to be drilled through, the higher the installation costs.
Subsidies & incentives
In Belgium, a standard cooling-only air conditioning system usually does not qualify for a fixed grant. Only systems that also count as an air-to-air heat pump under regional rules may be eligible.
Flanders
- Check whether your system qualifies under Mijn VerbouwPremie as an air-to-air heat pump. A regular cooling installation without the required specifications does not receive automatic support.
- The installation must be carried out by a certified refrigeration or HVAC installer.
Wallonia and Brussels
- Here too, eligibility mainly depends on whether the system is recognised as a heating solution rather than cooling only.
- In Brussels, check current support via Homegrade or the RENOLUTION portal, because scheme details can change.
What usually matters more
- For homes older than 10 years, installation by a contractor can often qualify for 6% VAT.
- Electrical upgrades, condensate drainage, and pipe length often affect the total price more than any grant.
Local considerations in Aalst
Average (baseline)Favorable prices compared with Brussels and Ghent, while still having an active market for renovating older homes.
Housing characteristics in Aalst
Aalst has a classic East Flanders housing mix with both city homes and family housing on the outskirts. Many properties are renovation-prone, but the combination of lower urban pressure and easier access often keeps execution more affordable than in Brussels or Ghent.
- mix of terraced houses, townhouses, and edge-of-town housing
- strong transport links attract plenty of renovation activity
- access is usually easier than in the biggest cities
- balanced local market with broad housing mix
- generally standard site conditions
- good supply of regional contractors
- a certified refrigeration or HVAC installer is legally required for refrigerant work
- pipe length and number of wall penetrations also determine the installation price
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