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Can someone explain what the two heating circuits are needed for? We have individual room control, so you could always keep the bathroom running and turn off the rest where there is parquet flooring...

niri09 schrieb:
Well, I had to physically check several wood-look tiles to see whether they were parquet or tiles.

We are planning something like that for the bathroom – do you perhaps have a tip on which ones looked convincing?

Snowy36 schrieb:
Can someone explain what the purpose of having two heating circuits is? We have individual room control, so you could keep the bathroom heating running all the time and switch off the rest where there is hardwood flooring…

Something like that. We were recommended to have two heating circuits.
We will make the final decision when planning the heating system.
For now, the concrete slab needs to be poured first.
But thanks for the tip; noted!

Obstlerbaum schrieb:
We are planning something like this for the bathroom – do you perhaps have a recommendation for which options looked convincing?

Unfortunately not, we chose tiles with a light concrete look. I also really like wooden floors, but I didn’t want to have to replace the floor after 10–15 years because of the underfloor heating. It’s undeniable that wood expands and contracts due to heating processes causing moisture to evaporate. Tiles can also feel warm and subtle. They go very well with wooden furniture and a wooden staircase. In the summer, the tiles can even feel a bit cool, which I find has a refreshing effect.

Snowy36 schrieb:
Can someone explain why two heating circuits are needed? We have individual room control, so you could just keep the bathroom running and switch off the rest where there is parquet flooring...

Because individual room control is complete nonsense and an energy disaster. Two separate heating circuits for the bathroom and the rest of the house make much more sense!

With individual room control, you are constantly driving with the handbrake on, especially when heating with a heat pump. A heat pump with a good hydraulic balancing and properly adjusted settings doesn’t need individual room control and runs year-round (including the transitional months) at the optimal performance point, taking care of the rest automatically...

If you then have the luxury of two separate heating circuits, you can run the bathroom with a slightly higher supply temperature... or even provide some heating in summer occasionally, depending on the weather conditions.

Or you can make the heating loops in the bathroom tighter and add wall heating as well. That way, the increased heat demand is covered.

But nowadays, everyone still usually does ERT. Whether that is correct, I don’t know.