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Posted by Neo on September 10, 2009, 9:40 pm

you might want to purchase the following study


Posted by harry on September 12, 2009, 5:44 pm


Is purchase the same as buy?    Jeeze it's against my principles to
buy stuff :-)

Posted by Mel on September 15, 2009, 12:40 pm

Curbie a crit :

Hi Curbie,

I've not spent a lot of time looking, buried earth pipis for winter
pre-heating or summer cooling are very much "fashionable" at the moment
over here (France). If you can wade through Google translating, try
looking up "puits canadien" and "puits provencal"

The general consensus coming from local building & design pro's these
days is that for winter pre-heating, it needs really good design and is
only worth while if it's in a very low consumption building. Summer
cooling is more interesting, but not quit as interesting as free-cooling.=

We managed to get a system monitored but we haven't been given access to =

the data... (primary school with buried earth pipes for tempering air in =

winter & summer)


a couple of random links, not sure how good they are !

Posted by Curbie on September 15, 2009, 5:04 pm

Hi Mel,

Heating via solar thermal panels seems to be much more cost effective
heating solution; I'm just looking at earth coupled cooling. I've be
marching through the different ideas for earth coupled cooling and I
ran into read interesting computer source code last night that seems
to have the potential to solve my thermal mass and thermal lag

I'll be translating the source code over the next few days, which for
me is a far easier translation than French to English, not to impugn
French, but I can just barely get through English and I've been at it
for over 50 years.

Thanks and good luck.


Posted by harry on September 15, 2009, 6:24 pm

What you need to google is "ground source heating /cooling"  Or
"ground source heat pump"
It's done by refrigeration type gear.
Inceasingly common in the UK.  An advantage is that there's no
expensive annual maintenace as with gas fired heating.

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