Construction of a 144 sqm bungalow in Fichtenwalde (near Potsdam)

Regarding the bedroom: I would make the spacing of the heating loops wider there. Unless you want the same temperature in the bedroom as in the living room. In the bathroom, lay them slightly closer together, but that only has minimal impact. It is important that the shower area also gets underfloor heating.

Just to be clear: my house has been standing for 9 years and I get along quite well with my heating loops ;) ! However, the statement from seemed a bit suspicious to me and I needed some clarification!

Not with me. Please read carefully :cool: I spoke with the specialist earlier. He showed me the installation plan. 26 heating circuits :cool: By the way, the company is ATHE-Therm. Are there too many now? I thought the more the better? Now there are too many :)

You already have interior plaster, are your heating circuit distributors surface mounted?!

Just to be clear: my house has been standing for 9 years and I get along quite well with my heating loops ;) ! However, the statement from seemed suspicious to me and I needed to ask!

If the refrigerator stands on a heated surface, it theoretically has to work against it. theoretically. First, the refrigerator stands on feet about 5 cm high and is ventilated at the back for its cooling fins. 2. We have KfW new building standard. That means the 0.5-2 °C at the floor are more or less irrelevant. (Screed is a relatively good heat conductor) But if you can plan it, there is nothing against optimizing it right away. I once calculated my expensive KfW40 XPS insulation under the floor slab + foam glass edge stones to avoid thermal bridges in the base area. It cost me about 3.5k for 150m2 floor slab. It will never pay off in 100 years. It was purely a subsidy matter.

You already have interior plaster, are your heating circuit distributors surface-mounted?!

Heating circuit distributors are "hidden" in the wall. There are two boxes. Both in the corridor. One in the wall to the dressing room and one in the wall to the pantry. Here is a photo and the floor plan.

@Neubau2022 which screed are you getting? Cement or anhydrite?
Anhydrite, that is flowing screed, has better thermal conductivity coefficients but other disadvantages

Here is the description of the screed. It is anhydrite.

Good morning first of all :) I received the plan this morning (see attachment).

Conversion from pdf to jpeg unfortunately reduces a lot of quality.

Here are the relevant data:

If I read it correctly, there are 1x 13 and 1x 14 heating circuits. So a total of 27. Max. circuit length is 80m. According to the plan, the flow temperature is 35 degrees. I personally find that very high. I will bring it up again. The setting is done by the heating installer and not the underfloor heating company, right? Living room, kitchen, children's room, main bathroom have a laying spacing of 6.5 cm. Bathrooms, bedrooms, office, technical room, hallway have a laying spacing of 13 cm.

No, everything fits, you will never get the 35°. That is just an irrelevant number.