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Green Building Bible, Fourth Edition
Green Building Bible, fourth edition (both books)
These two books are the perfect starting place to help you get to grips with one of the most vitally important aspects of our society - our homes and living environment.

PLEASE NOTE: A download link for Volume 1 will be sent to you by email and Volume 2 will be sent to you by post as a book.

Buy individually or both books together. Delivery is free!

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    • CommentAuthorTomasz_P
    • CommentTimeFeb 2nd 2021
    Ok, I feel quite happy with my rough plans for the floor (pending limecrete quotes!)

    I have had the first of a few initial quotes for heat pumps. It has been a point of discussion with my father in law as well. He is very much of the approach of doing as little as possible. The first ASHP quote has 2x 7-22kW Mastertherm BoxAir Kits. Does this seem overkill or is it ultimately more economical to overspec even if it means spending an extra £7k+ initially?

    I am tempted to complete the floor insulation and UFH along with other improvements and run that on oil for a year to get a true idea of what I am using.

    The EPC (from quite a few years ago now) suggested 69842 kWh per year for space heating but I know these are not always a very good representation of what will actually be used.

    I am still toying with the idea of a hybrid oil/ashp option because it gives me assurance that I will stay warm but the option of becoming less and less reliant on oil as I improve the insulation. Grant have quite a neat looking option.
    Remember to get Listed Building Consent before you commit to anything.

    In the farmhouse I am a big fan of 2 jumpers whilst working from home, to avoid having the (oil fired) heating on, and have also recently discovered the comfort that "quilted overalls" brings. A bit like an adult baby-grow, or practical one-sey!
    • CommentAuthorTomasz_P
    • CommentTimeFeb 3rd 2021
    Ha, yes i have been using quilted overall recently. Not for my desk work yet though. I don't think the two jumpers approach will go down all that well my my wife unfortunately.

    I have been thinking of approaches to low energy home working recently. radiant panels mounted to desks etc. Quite a fun project (if i had time).

    I just has another quote come through for ASHPs. this one was 2x16kW Nibe units. It came in around £23k for the ashps, buffer and 300l cylinder including installation (but not including rads and ufh). I think i will have to do that bit myself to try and keep costs down.
    • CommentAuthorphiledge
    • CommentTimeFeb 3rd 2021
    Is the rough estimate of 24kw heat demand based on the existing house, or on with the insulation ideas you have planned?

    It may be worth running the heat demand calc a bit more accurately and size the heat pump to deal normal heat losses for most of the year. Add in a woodburner with a backboiler to top up the TS when its exceptionally cold- your wife will soon warm up lugging logs into the house:)
    • CommentAuthorTomasz_P
    • CommentTimeFeb 4th 2021
    Haha. I will definitely have a wood burner as we have a good supply of wood. It is for the existing house so i can make some improvements on that.
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