Heating offer comparison - Please share your experiences

I absolutely don't know anyone who has a maintenance contract for their heat pump, let alone has it serviced annually. Including myself (but I don't have an outdoor unit). These are hermetically sealed systems. The brine had to be refilled shortly after commissioning, since then the fill level has been stable.

Whether it is worth it or not, you only find out afterwards anyway. There was no gas here at all, so the decision was clear.
The heat pump was more expensive at the time of purchase including drilling than gas, but there was a 5000€ subsidy. I just got it now, the new gas user will get it in 10 years or whenever the exit takes place.

What kind of heat pump do you have?
Do you have problems with icing? Is the heat pump located in the basement or on the ground floor?

And the price difference is not enormous regarding acquisition, consumption, maintenance, etc.

However, in my opinion, the price difference for the same comfort is quite high.

The loud heat pump in the front yard is terrible. If a parked car constantly made such noise, everyone on the ridge would be up in arms -- but heat pumps have to be tolerated. This is also a burden for the environment and wildlife -.- but nowadays everyone is blind to that. Only climate matters now, no matter if bats kill themselves by the thousands at wind turbines or loud heat pumps ruin the quiet autumn evening.

I cannot understand this hostility towards natural gas. It is foreseeable that we will not be able to do without natural gas for many decades to come.

If electricity ever becomes sustainable, one could simply heat with electricity -- provided it is not artificially made more expensive (which unfortunately will probably be the case). That would be environmentally friendly because no complex-to-manufacture systems would have to be installed.

What kind of heat pump do you have? Do you have problems with icing? Is the heat pump in the basement or on the ground floor?

Brine-water heat pump with borehole. Ground floor. Ice only comes from the freezer.

Brine-water heat pump with drilling. Ground floor. Ice only comes from the freezer

And what kind of heating costs (including hot water) do you have approximately per year? Can you measure the electricity separately? What are the maintenance costs? How expensive was the entire system including drilling, installation, and device?

The loud heat pump in the front yard is terrible.

That's true. That's why you should buy a quiet one. They do exist.

I cannot understand this hostility towards natural gas. We will inevitably not be able to do without natural gas for many decades to come.

It is not hostility towards natural gas; it is just the realization that fossil fuels are fundamentally problematic. You are right, we will still need natural gas for quite some time – after all, it is not practical to throw everything overboard at once, and natural gas is still comparatively clean. For a new building, where good and mature alternatives are available, to still rely on fossil fuels for the next 15-20 years is pretty outdated.

Yesterday,
all my troubles seemed so far away,
Now it looks as though they're here to stay,
Oh I believe in yesterday

Yesterday love was such an easy game to play,
Now I need a place to hide away,
Oh I believe in yesterday
Mmmm...