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.....I was talking about the logic of a heat pump that can work better with a proper hydraulic balancing than with an ERR where the intentionally warmest room forces all the others to be throttled back. You then have to run a higher flow temperature so that you can make that one room as warm as you want and lower all the others....wow, very effective.

I'll just overlook the paragraph with no idea and pub talk now, since this whole thing is supposed to be constructive...

I never wrote anywhere to use the ERR instead of proper hydraulic dimensioning. I don't understand why I should need a higher flow temperature because of an ERR. Different heating demands and desired temperatures for different rooms have been met since the invention of gravity heating by larger or smaller heating surfaces in the individual rooms, not only since the laying of heating coils in your bathroom. Just because many plumbers and planners use their thumb for planning and have to throttle corresponding overcapacities with the thermostatic valve doesn't make the ERR inherently bad.

The ERR should not be used as wrist endurance training, but additionally to serve scenarios that deviate from the standard load case. A single room temperature sensor cannot do that either.

The ERR is not a comfort gain that you can just add on.....the ERR is mandatory under the Energy Saving Ordinance....but it's total nonsense because most people don't know how to operate a heating system properly.

For many people fiddling wildly with the thermostat when they're too cold or too warm, the thermostatic valve is not to blame. Ideally, these are set so that they only close above the desired room temperature and are open most of the time.

Oh, and one more thing, if you're roasting away in the living room on a winter day with midday sun, then you probably have no idea about proper shading

If you shut out the midday sun on a WINTER DAY (0°C) by shading it because otherwise with the continuously running heating it gets too warm, I wonder who really has no idea here. Socrates was already further ahead 2400 years ago.

the window-Heini

A little more respect for my former industry, please Why does the roof structure end far before the outer edges of the gable walls?

I also say Heini. I explained that explicitly on the blog as well:

The use of the term "Heini" (e.g. Küchenheini, Fliesenheini, ...) as a synonym for craftsmen is by no means negative meant.

This comes from the series "Tooltime / Home Improvement". The main character Tim respectfully calls his kitchen builder "Granitheini'".

is by no means meant negatively.

For the most part, that is the case. But my grandfather Friedrich also called various craftsmen -fritzen

That comes from the series "Tooltime / Home Improvement." The main character Tim respectfully calls his kitchen builder "Granitheini'."

At least in the German dubbing ...

Yes, the energy consultant, he is called energy consultant...

Please more pictures, you forum geeks and nerds