Heat pump in new building without photovoltaic system

Does a heat pump make sense in a newly built single-family house without a photovoltaic system or is the electricity consumption then too enormous? We were thinking of an air-water or water-water heat pump

We [...] want to build turnkey. [...] Since we hardly have any knowledge in the whole area

... in my opinion, you are also not the target group for the idea of gathering all the mosaic pieces on the way to the ideal house plan yourself like a squirrel. Take a 90% perfect house, that exists "off the shelf". Of course, you can become the winners of Germany’s search for the super builder here in a salami tactic in seventy-something individual threads (about heating technology, about bricks, about tile adhesive, about built-in spotlights, about gutters, about locking systems, about range hoods, blah blah) – but in the meantime, time and money are running away from you.

I would no longer choose a heat pump. You have to deal a lot with the technology yourself, otherwise it will bleed you dry in terms of electricity consumption. The technology is also still very prone to failure. Pressure switches, compressors, and electronics tend to break one after another.

Heat pumps are extremely hyped and government-subsidized. The technology itself, however, has been around for 40 years. Ask yourself why it hasn’t become widespread?

If you have a gas line, then get a gas boiler immediately. Cheap and reliable. Alternatively, pellets.

In my opinion, if you have a heat pump, you also need a wood stove. Otherwise, you will often be cold in the house during winter or spring. The heating is too slow to meet personal needs. Most people with heat pumps operate electric fan heaters or wall heaters again. This makes the whole thing absurd.

I wouldn’t choose a heat pump anymore. You have to deal a lot with the technology yourself, otherwise it will drain you dry when it comes to electricity consumption. The technology is still very prone to failures. Pressure switches, compressors, and electronics tend to break down one after another.

Really? The technology has existed for over 100 years and, in my opinion, is mature. Neither more complicated to operate nor more prone to defects. In addition, it requires less maintenance than a gas boiler and is cheaper if in doubt.

Heat pumps are extremely hyped and state-subsidized. The technology itself has existed for 40 years. Ask yourself why it hasn’t caught on?

If it hasn’t caught on, why are the majority of all new buildings equipped with it?

In my opinion, you also need a wood stove with a heat pump. Otherwise, you will often be cold in the house in winter or spring.

Why?

The heating system is too sluggish to meet personal needs.

The heat pump isn’t the heating system; rather, it is the interaction between the heat generator and heat distribution that constitutes the heating system. Sluggishness results from the use of surface heating instead of radiators. A gas boiler also can’t heat the room faster when using underfloor heating. If you set it to “full power,” you face the problem that the supplied heat stays in the room and it becomes a sauna.

Most people with heat pumps operate electric fan heaters or wall heaters again.

Most new buildings – regardless of whether heat pumps/pellets/gas/or whatever – have electric towel warmers in the bathroom.

Sorry Bookstar, I have rarely read such a “stupid” and factually unfounded article from you. This is pure polemic.

Unfortunately, everything you write is not true. And it has nothing to do with polemics.

1) The technology is much more prone to defects, there is much more that can break, and the wear and tear is much higher than with a gas boiler. If the technology were so mature, why does Novelan/Alpha Innotec replace all pressure switches en masse? The entire system has to be drained and refilled with refrigerant, etc. just for that. This effort alone is immense, especially once the warranty period has expired! There is nothing cheaper compared to a gas boiler; after 10 years you need a new compressor and pay several thousand euros. So your fairy tale session is out of place here, sorry!

2) New buildings are equipped with it because it is hyped and government-subsidized. We ourselves have such a hellish machine.

3) Every degree more of flow temperature hurts your wallet massively. With pellets or gas it is irrelevant. You can run 35 degrees flow temperature and regulate with actuators. Then you are much less sluggish than with air pumps. That’s why also the wood stove; I couldn’t imagine without it. Sometimes I want 20 degrees in the dining room and sometimes 24 degrees. That simply doesn’t work with a heat pump. With a gas heating system no problem.

4) The noise issue with the neighbors is not even considered. Here too, a gas heating system is miles ahead of the heat pump. Cost-wise as well, by the way.

5) Turning on a gas heating system is straightforward. A heat pump requires countless software updates, must be calibrated (which most heating companies don’t do), and is very sensitive to external influences.

Explain to me where the polemics are and we can continue the discussion.

The technology is significantly more prone to defects; there is much more that can break down

It is just as prone as the refrigerator. If parts break down one after another, there is a design flaw. You still drive a car despite all the recalls. I am not aware of any significant long-term defects.

Cheaper compared to a gas boiler is nothing here, after 10 years you need a new compressor and pay several thousand euros.

... except for the annual inspection and maintenance, the gas connection, the chimney (actually just the exhaust pipe). The heat pump only needs a power outlet and runs.

New buildings are equipped with it because it is hyped and state-subsidized.

The subsidy is even newer. Hyped because it is a great product, for a long time already.

Every degree more supply temperature hits your wallet massively.

The heat pump is not to blame if you can’t handle the system. Plan properly, set correctly, and just let it run.

That’s why there is also the wood stove; I couldn’t imagine without it. Sometimes I want 20 degrees in the dining room and sometimes 24 degrees.

So you would still need that with gas. The underfloor heating doesn’t just go “snap, 24 degrees are there.” And once you have the temperature, it takes days for it to go down again (the temperature reached through the underfloor heating).

No problem with gas heating.

Once again. That has nothing to do with the heat generator. That is due to the underfloor heating.

The noise issue with the neighbors is not even considered. Here too, a gas heating is miles ahead of the heat pump. Also in terms of cost, by the way.

Noise was not asked about. It mainly occurs in winter, when the heating is running. In summer, when you sit in the garden, you don’t hear anything either. Incidentally, I personally find the devices whisper-quiet, but that is just subjective. That the devices are more expensive, I do not see. That is objective.

Turn on the gas heating, it runs. The heat pump needs dozens of software updates, must be balanced (which very few heating companies do), and is very sensitive to external influences.

Did you maybe get a Monday device? If the system runs, then it runs. Then you don’t need an update either. And a reasonable design as well as hydraulic balancing is also standard with a proper heating installer or construction company. For the average consumer, that means: turn on the system and let it run.