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Old 22-02-18, 04:28 PM   #1173
Red ones
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Join Date: Jul 2003
Location: Hertfordshire
Posts: 1,422
Default Re: What have you tinkered with today?

£170???
Wow

What have you done with regards energy efficiency? If very little then 30% saving should be in your sights.
What heating system do you have? Gas/electric? Combi/standard boiler?
Lighting? Filament/CFL/led?
You running a server farm?


Seriously. How much gas & electric do you use a year? How old is your boiler?
Building efficiency is bread and butter to some of us.
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