ᐅ Air-to-Water Heat Pump: Current Consumption and Data

Zaba12 schrieb:

Or the devices become more efficient with consistently moderate planning. Maybe instead of setting 38/24/3, it's 31/22/0 after all.

The result is, in any case, that an air-to-water heat pump can easily operate between 3.5 and 4.0, and a ground-source heat pump between 4.5 and 5.0. That way, I don’t need gas, pellets, or anything else.

nordanney schrieb:

The result is, in any case, that air-to-water heat pumps easily operate between 3.5 and 4.0 COP, and brine-to-water heat pumps between 4.5 and 5.0 COP. This means I don’t need gas, pellets, or any other fuel.

That seems too theoretical to me. Only people who are interested will enter data into such a database. Surely 90% of the poor-performing systems are not listed there.

Sure, the sample is not representative. However, the trend observed within the sample remains valid. Unfortunately, we cannot verify to what extent the observation applies to the wider population.

No question, I have been familiar with the database for a long time, and it is interesting to browse through it. Undoubtedly, the systems are becoming more efficient, which is simply the advancement of technology. But we must not forget that other heating types have also improved significantly, for example, pellet systems. Much more reliable, with energy-saving burners, etc.

So far, there is still no single heating technology for me. All have their pros and cons.

Bookstar schrieb:

That’s too theoretical for me. Only people who are interested will enter data into such a database. Surely 90% of poor systems won’t appear there.

That’s not true. When you look at the individual values, there are also terrible results included.

But what I find much more important is the insight—and this is practice, not theory—that it is definitely possible to achieve very good performance. If someone spends months deciding which new smartphone to buy or how to plan the last centimeter (5 inches) of their house perfectly (and every little detail is debated here in the forum), they should also be able to spend an hour thinking about a heating system. The planning itself is actually quite simple; you just need to plan properly and not build by guesswork.

And it’s clear that the results have been improving over the years.

After all, more than every second newly installed heating system is a heat pump!

nordanney schrieb:

At least more than every second newly installed heating system is a heat pump!

I happened to read yesterday that it is even 77%. The figure is said to be from the year 2019.