Town & Country - Rotex Heat Pump

Hello forum,

I am in the process of gathering information about building a house. I have one or two house offers available. Town & Country and Heinz von Heiden. I hope my concern is correctly posted here, otherwise please move it. Since the spotted plot of land has no gas connection, only a heat pump remains, or rather, you can add it for a small additional cost with Town & Country, while with Heinz von Heiden it is already included as standard. Both have Rotex systems. Now there is the consideration to operate the air heat pump using a heat pump tariff, which costs almost 4000€ more at Town & Country, just so that "a lever in the system is switched." Without this approach, it runs on household electricity. I find almost 4000€ for "the switching" quite steep. Does anyone have any idea if this also applies at Heinz von Heiden, or if they are already thinking further and it is already suitable for a heat pump tariff there? Maybe there are further opinions or ideas here. In my research, one also occasionally finds negative things about the electricity consumption of Rotex systems. Since I do not want to spend all the money on electricity consumption, I am looking for solutions or whether Rotex is really that bad? Maybe someone also knows which alternative systems are installed by the aforementioned companies.

Many thanks for that.
Regards
André

Important for an air-water heat pump is a proper design of the underfloor heating, ventilation with heat recovery, and contemporary insulation. Will that work smoothly with the two companies?

By the way, for 4000€ you can also get a small 3 kWp photovoltaic system... I would rather take that and run the heat pump on household electricity.

Put the thing in the clay and have a radiant floor heating system installed with an air-water heat pump. We had someone in the forum last week who only has trouble with it. Seems not to be an isolated case.

Is there any feedback from the OP on this? Can't the settings be adjusted by oneself or later by the specialist electrician?

Here are the technical requirements to obtain a heat pump electricity tariff

Separate metering and separate consumption
In most cases, the consumption of heat pump electricity is measured with a dedicated electricity meter. Both meters are generally treated as separate points of consumption and therefore do not necessarily have to be supplied by the same energy provider. This gives consumers more flexibility in selecting suitable tariffs. Meters and lines remain the property of the local network operator. This operator should also be contacted if there are any malfunctions or maintenance work needs to be carried out. Consumers then receive separate bills for each electricity meter accordingly.

Interruptible consumption device
The only technical requirement for heat pump electricity, as stipulated by the legislator, is that the connection can be interrupted. The network operator is enabled to interrupt the supply according to the time of day. When these interruptions happen is determined solely by the network operator and not by the current electricity supplier. Usually, these interruptions take place during times when the power grid is heavily loaded, for example in the evening hours. In this way, customers who use heat pump electricity contribute to grid stability. This is the reason why heat pump electricity is cheaper than electricity that is available at all times of day and night.

Whether a connection can be interrupted or not can be recognized by the presence of a separate meter for heat pump electricity. In individual cases, it may happen that this meter is not registered as an interruptible installation with the network operator. In such cases, the operator should be informed and asked to change the registration accordingly. Once this has been done, a separate electricity tariff can also be booked. Incidentally, newer heat pumps are not affected by the shutdown. Since 2012, all devices must be equipped with a shutdown device.

The start of construction is imminent. Therefore, I cannot say anything directly yet. But I will not use a separate heat pump tariff. As such, the heat pump will run on the household electricity. The only thing I did was upgrade the pump to the new Rotext Compact Ultra for just under 200€ with the new refrigerant R32.

Funny. We are being offered the Town & Country Vaillant Arotherm Split. How are you building (KfW, underfloor heating, controlled residential ventilation, etc.)?

Um, it then became Heinz von Heiden, not Town & Country