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The Passing
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by The Passing » 05/06/06, 18:14

Forced air ventilation on a heat source, see here: https://www.econologie.com/forums/ameliorati ... t1270.html

Very simple as a process for expelling drafts and better distributing hot air in the house!

Special thanks Knut again by the way;)
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by Sat-going » 05/06/06, 18:15

oops!
sorry, how do we link?
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by jiji » 05/06/06, 18:23

Benoit- wrote:Forced air ventilation on a heat source, see here: https://www.econologie.com/forums/ameliorati ... t1270.html

Very simple as a process for expelling drafts and better distributing hot air in the house!

Special thanks Knut again by the way;)


I read this entire post when I was researching!
Very interesting, but I don't have the "place" to put a fireplace!
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The Passing
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by The Passing » 05/06/06, 18:24

jiji wrote:I read this entire post when I was researching!
Very interesting, but I don't have the "place" to put a fireplace!


It can be implemented with something other than a fireplace too, why not with the oil boiler?
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by jiji » 05/06/06, 18:27

sam-va wrote:oops!
sorry, how do we link?


Don't worry, I know how to copy / paste: I'm looking at the site there ... : Cheesy:
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pluesy
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by pluesy » 05/06/06, 18:33

the calculations were for you to extrapolate to your case ...

basically we calculate the exchange surface with the outside for example 100 m2 if the thermal resistance R is 1 it will take 100wh per hour for each degree of temperature difference with the outside to maintain these 1 ° if the R is 2 (therefore 2 times better) it will take 50 wh and 25wh if the R is 4 the R is a technical data normally displayed on all insulating materials
Last edited by pluesy the 06 / 06 / 06, 08: 26, 1 edited once.
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by jiji » 05/06/06, 19:14

Do not know a pro who could inform me?
History to measure all this and give me the advice that is going well?

Where do we find them? : Cheesy:
Should we look at which yellow pages?
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by Christophe » 05/06/06, 19:17

pluesy ->

Thank you for having refreshed my memory a bit on the loss calculations.
2 remarks:

1) Uh it is rather the coefficient of thermal conductivity Lambda (W / mK °) which is given ... Since R depends on the thickness of the wall ...

In this regard you would know what is the average R of a bioclimatic house or HQE? rather 3-4 or rather 10?

2) I think that in your calculations as you are passing by an hour, it's no longer Wh but W in your last post. Dimensional analysis confirms this ...

jiji wrote:Do not know a pro who could inform me?
History to measure all this and give me the advice that is going well?

Where do we find them? : Cheesy:
Should we look at which yellow pages?


Go see the Ademe, they exist for that ... http://www.ademe.fr
Last edited by Christophe the 05 / 09 / 09, 12: 03, 2 edited once.
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by jean63 » 05/06/06, 19:48

The only solution if you want to heat a large volume and consume little energy, you need very good insulation:

- In the ceiling : 20 cms of rock wool, this is where the maximum heat escapes ....... you heat the sparrows!

Pay attention to the ceiling heights, the hot air GOES UP.

- On the wall : 15 cms but watch out for THERMAL BRIDGES, this is where the calories escape; it is at the level of the slabs => cold ground; at the level of the door and window lintels.

-Windows and doors : wooden structure (significant thickness) or PVC but not aluminum + double glazing (many losses in simple glazing.

One of the ideal solutions for building is the wooden frame: no thermal bridge + super insulation (the wood itself is insulating).

In your place, I would not dare to invest in this house, it will cost you more than to make new well insulated.

I myself live in a wooden frame house with low temperature underfloor heating: it's great, no feeling of cold: the heat comes from the ground + no effect of cold walls.

If you have the means, make quotes for a wooden frame and refourgue your castle to another "pigeon".

I had the opportunity to go visit my son who rented an old house completely renovated and insulated perfectly with electric heating. To avoid spending half of his pay in heating, he heated to 15 ° C the only stay.

Good luck with your choices.
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by pluesy » 05/06/06, 20:43

christophe wrote:In this regard you would know what is the average R of a bioclimatic house or HQE? rather 3-4 or rather 10?


the standard is 0.15 W / mK ° minimum or a minimum R of 6.66 but will give you a little more info here

but me personally if I built a house I will put an R of 15 to 30 or 50cm to 1 m of rock wool or better (more eco-friendly) hemp or straw


christophe wrote:it's no longer Wh but W in your last post. Dimensional analysis confirms this.


yes well we will quibble ... :D
for me the unit that I prefer for energy is the kwh (that's how edf bills us) it is true that in the formulas it is just watts (or rather joules) because we are free to calculate the energy we spend on the time we want (nanosecond, second, century ...) but as I like the wh I put everything in wh so that it is clearer ... compared to edf billing ...

for the coef of materials there is some info here
Last edited by pluesy the 05 / 06 / 06, 20: 58, 3 edited once.
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