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Air conditioning replacement costs

Wilm Everts

Air conditioning replacement costs 2026

Replacing an air conditioning unit costs on average between €300 for a mobile unit and €5,550 for a multi-split system, depending on the type and complexity of the installation. A refrigeration technician will dismantle your old air conditioning system and install a new one, where the costs for replacing the compressor or the entire condenser vary greatly depending on the situation. In this price guide, you can read about the costs of replacing an air conditioner and what to look out for when purchasing a new system.

What does replacing an air conditioner cost?

Replacing an air conditioner costs on average between €300 and €5,550, depending on the type of system and installation requirements. Replacing a mobile air conditioner is the cheapest, while a multi-split system with multiple indoor units sits at the top of the spectrum. The costs for replacing the air conditioning pump are part of the total price, as is the installation and disposal of the old system.

Air conditioning installation prices by type

Type of air conditioningCosts
Mobile air conditioning€300-€650
Monoblock air conditioning€1,300-€2,150
Split air conditioning€1,600-€3,250
Multi-split air conditioning€3,000-€5,550

The prices above include product and installation. Replacing a mobile air conditioner requires no installation, while a split or multi-split system needs professional installation. The costs for replacing the condenser are included in the total price for systems with an outdoor unit.

Air conditioning installation costs

Type of air conditioningInstallation costs
Mobile air conditioningNone
Monoblock air conditioning€450-€500
Split air conditioning€450-€500
Multi-split air conditioning€800-€850

Installation costs cover labour, laying pipes, and draining condensation water. For larger systems such as multi-split air conditioners, costs are higher due to longer installation times and extra indoor units.

Price per kW

How many kWCosts
2.5 kW (up to 70 m³)€1,300-€1,650
3.5 kW (up to 120 m³)€1,950-€2,350
5.0 kW (up to 170 m³)€2,100-€3,250
7.0 kW (up to 240 m³)€3,250-€5,200

The price per kilowatt depends on the space you want to cool. Higher power means a larger system and higher costs, but also better cooling for larger rooms.

Air conditioning repair costs

Type of repairCosts
Small repair€100
Average repair€150-€200
Major repair€300-€600

Small repairs such as replacing filters cost less than major interventions where the compressor must be replaced. Half a day's work with replacement of more expensive parts falls under a major repair.

Air conditioning maintenance costs

Type of maintenanceCosts
One-off maintenance€150
Major maintenance (including vacuuming and refilling)€150-€200
Maintenance contract€150-€200 per year

Major maintenance includes vacuuming and refilling refrigerant. Replacing the air conditioning pump and other major components fall outside standard maintenance and are calculated separately.

All prices in this section include 21% VAT and labour. The exact costs depend on the type of system, the brand, and installation complexity.

Air conditioning replacement costs by type

The total price for replacing an air conditioner depends mainly on the type of system you choose. A mobile air conditioner costs between €300 and €650 and is the cheapest option, while a multi-split system with multiple indoor units can go up to €5,550. The costs for replacing the air conditioning pump and the condenser are part of the total price for systems with an outdoor unit. Below you can see what each type costs, including installation.

Type of air conditioningTotal price (incl. product)Installation costs
Mobile air conditioning€300-€650None
Monoblock air conditioning€1,300-€2,150€450-€500
Split air conditioning€1,600-€3,250€450-€500
Multi-split air conditioning€3,000-€5,550€800-€850

Price-determining factors for air conditioning replacement

The total price for replacing an air conditioner is influenced by various factors. Some costs are predictable, others depend on your situation and choices. By understanding these factors, you can make better decisions and avoid surprises.

Type of air conditioning

A mobile air conditioner costs €300 to €650, while a multi-split system goes up to €5,550. The difference lies in the complexity: a mobile unit requires no installation, while a split system needs pipework and an outdoor unit.

Capacity in kilowatts

The larger the space, the higher the required power. A 2.5 kW system for 70 m³ costs €1,300 to €1,650, while a 7.0 kW system for 240 m³ costs between €3,250 and €5,200. Higher power requires a more powerful compressor, which increases the total price.

Quality and brand

A-brands offer longer warranties, better energy efficiency, and higher durability. They cost more to purchase but last longer. B-brands are cheaper but may require repairs sooner.

Energy efficiency

Air conditioners with a higher energy label such as A+++ are more expensive to purchase due to more efficient components and better insulation. They consume less power during use, which yields savings in the long run. The SEER value (energy efficiency for cooling) indicates cooling efficiency, while SCOP (energy efficiency for heating) measures heating efficiency.

Heating function

Reversible air conditioners that can also heat cost more due to extra technology in the compressor. They offer year-round climate control, but replacement costs are higher for systems with a heat pump function.

Noise level

Quieter models with inverter technology produce 19 to 25 decibels. They cost more due to more advanced compressors that adjust speed gradually. Standard models make more noise due to the constant on-off switching of the compressor.

Smart functions

Wi-Fi control and app integration increase the price due to extra electronics and software. You get energy monitoring and remote control.

Urgency versus planning

Urgent jobs cost more than planned work. Plan replacement in the spring or autumn, when technicians are more available and demand is lower.

Weekend or weekdays

Weekend installation costs more due to higher rates. Book during the week if your workplace and indoor unit location are accessible during the day.

Accessibility and preparation

Difficult access to the outdoor unit increases installation time. A facade on four floors without a lift requires more work than an easily accessible exterior wall on the ground floor.

Region

In large cities, prices are higher due to higher costs for professionals. Rural areas often have lower rates but more limited availability.

Disposal of the old system

When replacing, the old system must be disposed of according to environmental legislation. Refrigerant must be extracted, which takes extra time for older systems with F-gases (fluorinated greenhouse gases).

Extra pipework

If the new air conditioner is placed in a different spot, extra cooling pipes are needed. Every extra metre of pipework increases material costs and installation time, which affects the total price.

Additional costs and surcharges

Extra costs are situation-dependent and at Zoofy you pay no call-out charges. Below you can see when extra costs may arise.

  • Urgency surcharge: A surcharge often applies to urgent jobs because the professional must adjust their schedule
  • Weekend surcharge: Work at the weekend is more expensive than during the week
  • Electrical adjustments: Upgrading the fuse box or installing an extra circuit may be necessary for powerful systems
  • Longer pipes: Installation costs increase with greater distance between indoor and outdoor units
  • Wall penetrations: Extra costs for drilling through exterior walls for cooling pipes
  • Condensate drain: Installation of a condensate pump is necessary if natural drainage is not possible
  • Vibration dampers: For the outdoor unit to limit noise nuisance

How does the refrigeration technician work when replacing an air conditioner?

The professional carries out the replacement in a fixed sequence of steps.

  1. Inspection and preparation: The refrigeration technician inspects your current situation, checks the existing pipes, and discusses where the new indoor and outdoor units will be placed. This takes about half an hour.
  2. Dismantling the old unit: The refrigerant is disposed of according to the F-gas regulation. This must only be carried out by an F-gas certified technician.
  3. Adjusting pipes: If necessary, new penetrations are drilled through exterior walls or existing pipes are adjusted for the new unit.
  4. Placing new units: The refrigeration technician mounts the new indoor unit and outdoor unit at the chosen locations and connects the cooling pipes.
  5. Vacuuming and filling: The pipes are vacuumed to remove moisture and air, after which the system is filled with refrigerant (usually R32).
  6. Testing and adjustment: The technician tests the system for operation, checks for leaks, and sets the correct temperatures.
  7. Instruction: You receive an explanation on how to operate and maintain your new air conditioner. A standard replacement takes 4 to 8 hours.

How can you save on air conditioning replacement?

There are several ways to save costs when replacing your air conditioner.

  • Preventive maintenance: Regular maintenance costs €150 or €150 to €200 for major maintenance including vacuuming and refilling. This extends the lifespan of your system and prevents early replacement.
  • Clean filters regularly: Clean filters every 2-4 weeks with intensive use, keep the outdoor unit free of leaves and dirt, and check for water leakage. This prevents the compressor and condenser from becoming overloaded.
  • Plan outside the peak season: Do not book at the weekend or with urgency. Plan replacement in the spring or autumn when technicians are more available and rates are lower.
  • Choose the right power: Do not choose a system that is too large. Too many kilowatts means inefficient short cycles and higher purchase costs.
  • Check subsidies: Ask your municipality or energy supplier if there are subsidies available for energy-efficient air conditioners or heat pumps via the ISDE scheme (Investment Subsidy for Sustainable Energy).
  • Book via Zoofy: You get a fixed rate in advance, without call-out charges and without surprises. You only pay after completion of the job.

Common reasons to replace your air conditioning

There are several signals that indicate replacement is wiser than repair.

Structurally leaking refrigerant

If refrigerant leaks regularly and refilling is constantly necessary, this points to a serious leak in the pipes or condenser. Repair costs add up quickly, making full replacement often more economical.

Compressor fails regularly

Abnormal noises or frequent compressor failure indicate wear and tear. The costs for replacing the compressor are high, especially for older systems. If the air conditioner is older than 10-15 years, full replacement is wiser.

Outdated refrigerant

Systems with R22 refrigerant can no longer be refilled because this refrigerant is no longer available. Repair is then pointless, as the entire system is no longer supported.

Find the best refrigeration technician for air conditioning replacement

A certified refrigeration technician ensures correct installation and protects your investment.

  • F-gas certificate mandatory: A qualified refrigeration technician must have an F-gas certificate to legally work with refrigerants.
  • SKH or STEK certification: These certifications guarantee that the technician meets quality standards.
  • Maintain factory warranty: Correct installation by a certified company is often a condition for keeping the factory warranty valid.
  • No call-out charges: You never pay extra for the professional's visit.
  • Fixed price in advance: You know exactly what you pay, no surprises afterwards.
  • Fast booking without quote hassle: Directly engage a professional without waiting weeks for quotes.
  • Payment via QR code after completion: You only pay when the work is finished.
  • Reliable, checked professionals: All affiliated professionals are thoroughly screened for qualifications and experience.

Frequently asked questions about air conditioning replacement

How much does it cost to replace an air conditioner?

Replacing an air conditioner costs between €300 for a mobile unit and €5,550 for a multi-split system. The costs for replacing the air conditioning pump are part of the total price for systems with a compressor in the outdoor unit.

What is the average lifespan of an air conditioner?

A well-maintained air conditioner lasts an average of 10-15 years. Systems with regular maintenance perform longer, while neglected units develop faults sooner.

When is repairing cheaper than replacing?

If the air conditioner is younger than 10 years and the repair costs remain below 50% of replacement costs, repairing is more economical. For older systems with high repair costs, full replacement is often more worthwhile.

How long does it take to replace an air conditioner?

A standard replacement takes 4-8 hours, depending on the type of system and installation complexity. Multi-split systems require more time than a single split unit.

Can I reuse the same pipes when replacing?

Sometimes, but this depends on the condition of the pipes and whether the new system is compatible. The technician assesses this on-site and advises on any replacement.

Can I install an air conditioner myself?

Only mobile air conditioners can be placed yourself. For split and multi-split systems, an F-gas certified professional is legally required due to working with refrigerants.

Can I also use an air conditioner to heat?

Yes, reversible air conditioners can both cool and heat. They are more energy-efficient than traditional heating and offer year-round climate control.

Can you get a subsidy for an air conditioner?

For energy-efficient heat pumps, the ISDE scheme may apply. Check with your municipality or energy supplier for current subsidy options.

How often should maintenance take place?

At least annually. For systems with 3 kilograms of refrigerant or more, annual maintenance is legally required. This extends the lifespan and prevents expensive repairs.

What is the difference between a split and multi-split air conditioner?

A split air conditioner has one indoor and one outdoor unit for one room. A multi-split has multiple indoor units on one outdoor unit for multiple rooms.

Book a refrigeration technician for air conditioning replacement

Ready to have your air conditioner replaced? At Zoofy you book a professional directly, without quotes and without call-out charges. You see exactly what it costs in advance, and Zoofy pairs you with a reliable professional who has been checked. You only pay when the work is finished. Book a professional directly now.