How can I register the consumption of my air conditioning? It now seems as if everything is added together, so not per year
The sensors measuring your energy consumption is indeed a sum of all appliances using power at any point in time. You cannot separate them since it is a sum. You can place power measuring sensors on a circuit but that requires a processor to monitor the consumption for each device drawing power. There are systems available for doing that but they require placing sensors on each circuit in your home and a software to monitor each of them. Here is one solution: In-Panel Energy Monitors – Emporia Energy