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30-03-2009, 07:34 PM #1
Re: Mitsubishi ecodan Heatpump Boiler
Since the install was carried out, I'm not getting any grief down the pub - now I get the odd pint for free
Spoke to the man today actually on the phone - he was asking how the install for the nice people he invited around to view his system was going. I said that it was finished on Friday and that, looking at the nice weather we had on Sunday, I could imagine very big grins on their faces just watching the hot water cylinder heat up for free!!
The original system that was mentioned at the start of this thread has now been operating for 11 months. The total electricity cost, including some Economy 7 is £230. The total cost for this month (March) is just over £10. It looks like the first years energy cost will be less than £250. Not bad when you consider that the oil spend was in the region of £1900/year.
I'll see if I can get a copy of the speadsheet he's been keeping.
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