I was thinking in terms of what construction techniques were used, is there insulation in the walls or the copper tank, did they follow good plans for natural light etc etc. Is it of brick, block or even massed concrete construction they all have different energy needs to run as a building.
I agree it is annoying to see lights on all night but then your coming to a situtation of work out for energy in, is the energy used properly and has it been used in a way that paid for itself. (efficiently)
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