Vestaxx window heating - experiences?

Wall space is not an issue for me, the parts are not large and they also come with pretty pictures, so you don’t even see that there is a heater there. I can’t say anything about the heat, but there are certainly some that are adjustable and if you hang them a bit higher, no child can reach them. Adults can think for themselves anyway. Wall space is not an issue for YOU – okay, but maybe for others! You can’t say anything about temperatures and adjustability – I can! … and again at this point – it’s about the comparison of water-based versus direct electric, mainly in new construction. Does the window fitter Maier from Hintertupfingen know the system and does he handle it there? Does he have a heated glass in stock or does he even know where to order it? We’re still doing that with our own people at the moment and keeping it in stock is nonsense because there are no standard sizes – OMG :rolleyes: And what does the window fitter charge for the replacement? Sustainability is all well and good, but changing glass doesn’t exactly sound cheaper than buying completely new windows. And who knows if in 30 years we won’t be at quadruple glazing, then the replacement certainly won’t be so trivial anymore. Certainly less than if a heating technician has to replace a pump or a compressor :rolleyes: Of course, it’s much cheaper to replace glass than to buy completely new windows and install and uninstall them OMG :rolleyes: As many as are installed now, that certainly won’t be a problem. And thanks to the water-based system, the form of energy generation is completely irrelevant. Whether oil, gas, wood, heat pump, hydrogen, local/district heating or a hot boy... it’s all interchangeable without touching the rest of the heating system.

I’m just saying 500,000 heat pumps per year :eek::eek::eek: -> who is supposed to build them all (delivery time: currently months or even years) and WHO is supposed to install them all??? Don’t you hear the news???

The remaining answers are in your text - I still haven't figured out how to respond to individual text sections. :( But I'll figure it out eventually.;)

Now you’re just getting sassy.

Could be because:

I feel like a teacher and actually have no time for this.

You don’t want a discussion, you want to preach. And if the people don’t hang on your every word, you get angry. Maybe you should rethink your self-image a bit. Not everyone is an idiot except you.

I’m out of here now, this is getting too exhausting for me. Luckily, I’m already happily in a relationship with my air-water heat pump ;)

I want to have a reasonable discussion here and not preach - if it was received that way -> sorry.

In some answers, I feel misunderstood and first look for the fault in myself. Then I explain it differently again and eventually am considered a preacher. I have the feeling that the preachers sit somewhere else (Heizungshersteller) and they are successful with it. What they say is believed and other "cranks" - like me - must be silenced. "It can't be what must not be!"

In recent conversations with professors and energy consultants at their conferences, I have met with open ears regarding our system, and these experts confirmed to me that water-based systems are not economical. I am invited to webinars to further convey the topic. Maybe I should save my time here and focus more on that.

I had looked forward to an interesting exchange here with experts who are willing to engage with my arguments and respond with reasonable objections and no pretexts. I do not see that here every time, and I am also considering quitting here. But I actually don’t want to, because then I would leave the field to those who do not know our technology and spread half-truths here. Anyone who feels addressed should ask themselves if I mean them too. There really are people here who take my approach seriously and think about it. To them, I would gladly continue to be a sparring partner.

Sustainability is all well and good, but changing panes doesn't necessarily sound cheaper than buying completely new windows.

The order value is so much lower that it scares the dealer more than the avoided mess pleases, which only benefits the client and not them.

I was looking forward to an interesting exchange with experts here,

But not on such a specific topic, you’re more likely to end up with five thousand off-topic posts than with a goal.

then I'll spar.

The functionality and consumption are probably sufficiently explained.

Also, the consideration of all costs, i.e. consumption and primary investment, actually makes sense somewhere.

However, I would like to add the following:
If you go into a Porsche forum, a big topic is the actual fuel consumption of the new models.
So, someone buys a completely overpriced car and then discusses the actual fuel consumption.

What does that tell me? That the primary costs as a one-time investment are planned and paid for in the budget.
That is quickly done, otherwise you just leave it.

The consumption costs as running costs are then, however, debatable.
Just buy a cheaper car right away, and then the fuel price for the next 10 years should basically not matter, one might think.

But that's not how people think.
And here comes the first point of criticism.

Well, where would I see an approach?
In my unqualified opinion, even more positive aspects would have to be created to achieve further acceptance.

For example, one line of thought would be to install an intelligent outer pane that can then, when a control voltage is applied, adjust the light transmittance up to opacity (possibly up to absolute darkening).

I have to run the electrical installation for the window heating to the frame anyway, so a synergy effect could be created here.
And if I can then also do without electric shutters with all their weaknesses, this would be a new consideration.

That means: no shutter boxes anymore, which today are already almost as expensive as the windows.
Anchoring options for wide elements into the ceiling or lintel.
One less thermal bridge, with all the then eliminated special measures for monolithic construction.
No space problems with ring anchors running continuously at the top.
Window position freely selectable in the masonry cross-section, and a few more reasons to do without the shutter box.

Marketing the whole thing as a new overall option could maybe become something.

Regards Christian