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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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    I've just taken on a 1970s business unit which will be used as both storage and office space. No heating at all at present

    There is a WC sink and kitchen sink both with point of use water heaters that look like they need replacing.

    The office space is split over 2 floors on the south facing side of the building. It has double glazing but with concrete ceilings and floor etc I'd imagine come Winter it will be cold

    My thoughts are to run an air to air heat pump upstairs and one downstairs but I have seen units that do 2 or 3 outlets off the same outdoor unit.

    Would an air to water unit be more efficient or even electric heaters with stats and timers fitted?

    Ashp will give a better COP and they also qualify for super allowance. Electric tariff is chosen by the unit leaseholder and we just pay off the usage

    I'll have to do some rough heat loss calculations but I can't see it being the best particularly as the storage area will be left unheated
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