Frequently asked questions


Check out the most frequently asked questions and answers. Whether you are curious about our products, wondering about maintenance or have technical questions, we have the answers. If you have any further questions or need more detailed information, our service team is always ready to help you.

Why do I get no or little hot water?

The control panel is probably set to constant operation of the circulation pump, which means that all power goes into the heating system.

Can I run the heater without fresh water?

Yes, it is possible to run the heater without fresh water. However, you should not run the system without glycol.

Is it possible to remote control Alde heating systems?

At the moment Alde does not offer a remote control solution.