Heat Pumps and Houses

Heat Pumps and Houses

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ones prefer a 3-phase supply. This involves a supply cable with extra wires in it, and extra meters. If you have three meters already, and your electricity bill is for the total units recorded by the three meters added together, you already have aanbsp;...

Title:Heat Pumps and Houses
Author:Murray Armor
Publisher:Prism Pr Ltd - 1981-08


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