Heat with renewable energies: step by step

• Is a renewable energy heating system profitable for me? Which system is best suited to my needs? A Klima-Agence advisor will provide me with free advice on these decisive questions.
• I contact my Klima-Agence advisor by calling the free hotline or by making an appointment for a neutral and free personalised energy advice at home, on the phone or by videoconference, financed by Klima-Agence and my municipality.

Contact a Klima-Agence advisor

• I find out about the state and municipal subsidies available for the various heating systems, as well as the possible procedures for carrying out the installation.

Learn more about Klimabonus subsidies

• I would like to know how to save money

energiespueren.lu

• I find out if a gas or district heating system is available on my street.
• I contact the Water Management Authority (Administration de la gestion de l'eau) by e-mail to find out if I can install a geothermal heat pump.
• I compare heating systems according to the thermal insulation class of my house. In general, a better thermal insulation class opens the door to a greater choice of heating systems.

• I make sure that the tradesmen have carefully evaluated the situation on site before submitting a quote.

• I check with my municipality to find out which permits and authorisations are required.
• At the same time, I find out about the municipal subsidies available.
• It is possible to check beforehand whether a geothermal drilling can be authorised. To do so, send an e-mail to forages@eau.etat.lu indicating your name, address and cadastral number.
• For geothermal drilling, I must apply for the following authorisation before starting the works: Application for a water authorisation (in all cases).

• The tradesmen I choose must provide me with the relevant information and explain the precise steps of the works.
• For geothermal heat pumps only: When installing ground-source probes, I make sure that I notify the water authority of the drilling work at an early stage.
• For geothermal heat pumps only: After drilling and installing the probes, the heat pump is installed.
• The entire system must then be checked again before put into operation to prevent any environmental damage that could be caused by a leak.
• For geothermal heat pumps only: The drilling company is only responsible for the connections to the building, while the installer takes care of all other work inside the building.

• After the works have been completed, I apply for the state subsidies granted under the Klimabonus programme.

Discover the Klimabonus state subsidies

• I have my system checked and maintained regularly by a specialist.Heizungscheck

• Only for geothermal heat pumps: In particular, the carrier fluid circuit and moving mechanical parts (e.g., condenser, evaporator and expansion valve) must be checked regularly by a specialist.
• For geothermal heat pumps only: In addition, the pressure in the brine circuit must be measured with a pressure gauge. Depending on the manufacturer, regular maintenance may be required to maintain the validity of the warranty.