Electricity consumption at home, what is your consumption?

  • Erstellt am 2020-10-06 06:29:33

Schimi1791

2020-12-15 21:00:45
  • #1
Regarding the sources of errors due to more complex technology, the differences are also huge ... :) But okay ... more technology can (!) also have advantages.
 

Tarnari

2020-12-15 21:05:52
  • #2
Wrong thread, right? ;) :p
 

bortel

2020-12-16 08:26:09
  • #3
2200 kWh...1100 I generate myself with my photovoltaic system. 175 sqm, living alone or every other week my little one is with me.
 

kati1337

2020-12-16 08:42:12
  • #4

Oh, yes, I somehow just forgot. We've moved now, so there's no big construction progress to report anymore.
I could update my construction report with the "drama" about our heat pump software. But it's not really super dramatic, so probably not that exciting.

I find it quite amazing that the heat pump can even operate that efficiently. After all, it's an electric heating system. Anyone who's ever used one of those plug-in electric heaters knows how much energy they consume. A lot has happened since then and I find the technology fascinating. To achieve consumption roughly at the level where you don't pay more money than if you heat with a fossil fuel. There are calculators for that online.
Beforehand, we played around with the Tecalor toolbox calculator and knew that monetarily we would have roughly the same installment as before. But that was okay for me. From my point of view, the advantages are:
- no gas connection required (potential hazard? More theoretical, I guess. But saves 2000€).
- Entire house can be supplied with renewable energies.
- Avoidance of the CO2 tax (in my personal opinion, CO2 will get much, much more expensive)
- Very good synergy with photovoltaic system. Our photovoltaic system is completely under-dimensioned. We are considering whether to upsize and fill the roof completely with modules, as many as fit.

Modern insulation, of course, saves energy costs, but what balances that out (in our case) is the controlled residential ventilation system. Which I NEVER want to miss again. God, how I love that thing.
A modern controlled residential ventilation system naturally has a high heat recovery rate; I believe ours is around 95%. That sounds great, but that also means that with every complete air exchange, 5% of the heat is lost and naturally has to be reheated. On top of that, you occasionally open a door or a window here and there in winter.
But the indoor climate with controlled ventilation compared to before is simply a piece of quality of life. In our old rented house, we kept everything shut as much as possible (door closed, it's drafty! Don't heat to the window!), just to keep energy costs under control.

In our new house, we have warm AND always good air, at roughly the same price as before. What an improvement!
 

Schimi1791

2020-12-16 09:09:26
  • #5

Exactly ... an (efficient) electric heater in combination with photovoltaics. Elsewhere I already asked the question whether there is potential to be found in the area of refrigerants to further increase efficiency. That would further reduce energy consumption. There is probably not much more to gain through insulation (?).

I was lucky to get the gas connection for "free". Whether it will be a gas heating system - due to the CO2 tax - is up in the air. A heat pump with photovoltaics is unrealistic for us. Only pellets would remain (?). For that, gas is probably the most uncomplicated and at least not as "bad" compared to oil. Basically, it is a sin to burn oil when you consider what the (good) chemist can make from it—namely a lot! :)
It is unfortunate, however, that there is no chimney—or at least it is not necessary if there is a heat pump in the house. That certainly saves additional costs, but it also blocks the option to connect a wood stove, which I would not want to miss anymore.

Let’s hope that soon there won’t be some kind of "heat pump tax" or "CO2 savings tax." An "energy-from-the-air tax" is also not out of the question... :)


I would also really like to have a controlled residential ventilation system :) Unfortunately, at least for now, we still have an uncontrolled controlled residential ventilation due to our older front door.
 

debaser

2020-12-16 09:26:24
  • #6
This is the Kostal app, right? Did they seriously rename the "Live Data" tab to "Latest Data" because they can't manage to get a real live view running? :D
 

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