Hello,
We are interested in a house that is currently for sale and are already in negotiations. We have now learned that there was a misunderstanding regarding the heating system. It is heated with a heat pump; until now, we thought there was underfloor heating. It has turned out that the heating is only provided through the central ventilation system, essentially using warm air. The seller presents this as a particularly high-quality heating system that was even more expensive. We would have found underfloor heating, at least in the bathroom, very comfortable.
Can anyone share information about this type of heating? What are its advantages and disadvantages?
The house was built in 2002 and has approximately 145 m² (1560 sq ft).
Tobi
We are interested in a house that is currently for sale and are already in negotiations. We have now learned that there was a misunderstanding regarding the heating system. It is heated with a heat pump; until now, we thought there was underfloor heating. It has turned out that the heating is only provided through the central ventilation system, essentially using warm air. The seller presents this as a particularly high-quality heating system that was even more expensive. We would have found underfloor heating, at least in the bathroom, very comfortable.
Can anyone share information about this type of heating? What are its advantages and disadvantages?
The house was built in 2002 and has approximately 145 m² (1560 sq ft).
Tobi
Well, originally they asked for a price that was actually too high, and then, without excessive complaining, they lowered it significantly to a price that is not exactly a bargain but close to it. Although the negotiations have been dragging on for quite some time now. I’m a bit worried that they know something is wrong and are looking for an inexperienced fool like me who doesn’t notice.
I still really like the house, and the location is truly very good, in a sought-after residential area, but it’s starting to feel so unprofessional that even with another reduced price, I would have a bad feeling.
I would like to show the invoices completely to rule out that I’m simply misreading something, but I’m not sure if I’m allowed to. After all, they are personal documents that don’t actually belong to me.
I still really like the house, and the location is truly very good, in a sought-after residential area, but it’s starting to feel so unprofessional that even with another reduced price, I would have a bad feeling.
I would like to show the invoices completely to rule out that I’m simply misreading something, but I’m not sure if I’m allowed to. After all, they are personal documents that don’t actually belong to me.
The strange thing is that almost every house in the entire neighborhood actually has district heating. An old school friend of mine lives just a few houses down. He also has an Elk house with a comparable living area. I know that he pays about €90 per month for district heating.
So why does my guy, who by the way is a property developer by profession and builds houses for a living, install such a useless system?
So why does my guy, who by the way is a property developer by profession and builds houses for a living, install such a useless system?
The important points were already visible in the document.
Stay away from the property or get an expert inspector involved. You could even schedule a visit with an inspector in advance—just the reaction you get will tell you a lot about the condition of the house. Call or visit in person.
I’m not sure if this was asked, but is there underfloor heating installed throughout the house?
A sauna consumes quite a bit, but that alone doesn’t explain it. As mentioned before, just the electricity used for heating could keep the entire house and hot water heated year-round with an electric fan heater. That’s extremely inefficient.
If you hadn’t mentioned a heat pump and the year of construction (built in 20xx), I would have thought there were night storage heaters. The consumption fits better with that and also matches the two-rate meter (high tariff/low tariff).
Stay away from the property or get an expert inspector involved. You could even schedule a visit with an inspector in advance—just the reaction you get will tell you a lot about the condition of the house. Call or visit in person.
I’m not sure if this was asked, but is there underfloor heating installed throughout the house?
A sauna consumes quite a bit, but that alone doesn’t explain it. As mentioned before, just the electricity used for heating could keep the entire house and hot water heated year-round with an electric fan heater. That’s extremely inefficient.
If you hadn’t mentioned a heat pump and the year of construction (built in 20xx), I would have thought there were night storage heaters. The consumption fits better with that and also matches the two-rate meter (high tariff/low tariff).
We only started thinking about underfloor heating because of this topic.
The real estate agent always told us there was a heat pump with underfloor heating. But during a visit, we saw a small electric heater in the bathroom. When we asked if it was additional to the underfloor heating, it turned out there actually is no underfloor heating. Apparently, there was a misunderstanding between the agent and the owner. Heating is only done through the ventilation system, basically using warmed air, and in the bathroom the air is extracted again, which is why an extra heater is needed. It’s a Proxon heater. The Proxon system is from (Zimmermann Ventilation).
After that, I specifically asked for the electricity bill.
Wow, I’m such a beginner. I should have asked for a bill much earlier.

The real estate agent always told us there was a heat pump with underfloor heating. But during a visit, we saw a small electric heater in the bathroom. When we asked if it was additional to the underfloor heating, it turned out there actually is no underfloor heating. Apparently, there was a misunderstanding between the agent and the owner. Heating is only done through the ventilation system, basically using warmed air, and in the bathroom the air is extracted again, which is why an extra heater is needed. It’s a Proxon heater. The Proxon system is from (Zimmermann Ventilation).
After that, I specifically asked for the electricity bill.
Wow, I’m such a beginner. I should have asked for a bill much earlier.
Alex85 schrieb:
find an inspector That’s the key point. What outcome or additional facts are you expecting here?
If you want the house, just go with an inspector and that’s it.
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