Recent content by sagesse

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    Potterton boiler efficiency

    Well perhaps I'm doing better than I thought, though we too are solid walls, apart from the kitchen and bedroom extension at the rear; it's 30's detached, and I've doubled up the poor insulation and boarded the attic, and many of the upstairs bedrooms have built in wardrobes against outdoor...
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    Potterton boiler efficiency

    Thanks for your thoughts; going back from the last quarter, and some are estimates so use patterm is not absolute, £84, £186 and the winter period, £548. Forgot to add we cook electric and until this Sept, my 108 yr old aunt lived with us. However, I'm most interested to hear views on the heat...
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    Potterton boiler efficiency

    We have a approx 30 year old Potterton Kingfisher CF100. I think it would be expected to run at 55% efficiency. However, we have a unique additional heat exchanger fitted. It's called an extension. The boiler - which incidentally I confidently expect to run for another 30 years - is in our...
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