Hi everybody,
it's been a while that I have not posted and I feel that I will not make me friends but it's not graaaave.
For me PV has never been a green investment but simply a financial investment (provided as demonstrated on other posts that the editing is done win-win and not by crooks).
The proof is, in some countries, which have developed the PV (and the wind turbines by the way), there has never been so much consumption of coal and gas (no I have not talked about the Germany, they are all ecologists there
)
On the other hand, a point that seems to me to be at the center of the way of thinking of our technocrats (and of certain entrepreneurs, let's be honest) is: "why make it simple when you can make it complicated?"
To isolate (or regulate it works too) properly a house, certainly it takes skilled labor and good materials but we know all we need to do since the loss ratios in a home are well known to all and easily accessible.
But once we have:
- Insulate the roof;
- Isolate the soil;
- Insulate the walls;
- Change windows, skylights;
- Put a regulation in place ...
There is nothing more to do for at least 20 years (lifespan of AMHA windows but many isolated parts will be good for a few more decades) then certainly we will have made a lot of savings but no annual technical visit, no risk fire, no complicated connection to the public network, no complicated management of periods of over / under production, more serious, no risk of failure .... Missing more than it is possible to close nuclear power plants easily thanks to these savings ( remember that 75% of new homes are equipped with all electrical, there's the margin).
For my part, when I returned to my house, we had a consumption of 1400 kg / year LPG (identical to the previous owner). I followed the advice of a thermal engineer (without thermal camera by the way) and today, we consume between 750 and 800 kg / year of LPG (we have a wood stove too and it does not consume much ).
Given the soaring oil prices, our work was quickly amortized and our boiler is aging slowly.
Would we have made the same choice if the LPG was not so expensive ?? I do not know but Janco is right when he says that energy is not expensive enough.
If the government subsidized insulation and not solar panels, ten years from now people would be asking, "What has the government done over the past ten years to promote the production of renewable energy?"
+1
we need to create an indicator of energy efficiency and evaluate our public policies (housing and industrial) on that.
!
