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Central Heating Design


powerdesal
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Does anyone have realistic 'U' values for solid stone walls of the type

found in Normandy ? Also for single thickness floorboards (ie not

underdrawn), I can find the values for most types of modern

construction but obviously that doesn't really help. Even a web link

would be handy.

Can I also ask, what is the present cost of fuel oil in Normandy (before I commit to an oil fired system)

Many thanks,

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