The “KLIMABONUS 511” program is a Luxembourgish government initiative that provides financial incentives for the installation of heat pumps. The program offers a subsidy of €511 per kilowatt (kW) of installed capacity, up to a maximum of 10 kW. The subsidy is available to both individuals and businesses.

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What are the conditions for receiving Klimabonus subsidies?

• The Klimabonus subsidy is only available for heating systems in residential buildings.
• Only one of the following heating systems can be subsidised per residential building: heat pump, wood heating system or connection to district heating.
• No state subsidy must have been requested for a technical installation under the 2012 or 2016 subsidy programme.
• Valid for invoices dated until 2025-12-31.
• In the case of a hybrid system, at least 70% of the annual heat requirement must be covered by the heat pump.

To find out more, You can consult the corresponding regulation.

How to apply for Klimabonus subsidies?

• The subsidy application can be made after the installation has been completed.

To file your application, You complete the following forms:

• “Demande d’une aide dans le cadre du PAQUET BANQUE CLIMATIQUE ET LOGEMENT DURABLE – DEPA-2022 – Personne physique” or the form for “Personnes morales”
• “Pompe à chaleur – Fiche annexe : POCH-2022”

Valid for orders dated from 2022-11-01 until 2023-12-31

What are the technical requirements for Klimabonus subsidies?

• Hydraulic balancing after installation must be carried out.
• Installation of a separate or integrated electricity meter in the heat pump.
• Heat pumps for which the invoice is established as from 1 January 2024 must be equipped with a heat meter.
• Only for existing building: Installation of a buffer tank (boiler) of at least 30 l/heat kW_th. With the exception of heat pumps and hybrid heat pumps equipped with a frequency converter (“inverter”) with speed/power modulation.