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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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    • CommentAuthordb8000
    • CommentTimeNov 3rd 2015
     
    <blockquote><cite>Posted By: CWatters</cite><blockquote><cite>Posted By: wookey</cite>You talk about lithium-celled vs alkaline-celled alarms. I don't understand why this is a feature of the alarm?</blockquote>

    I think some lithium powered alarms have non-replacable batteries. The battery is designed to last for the 10 year life of the alarm. Whole alarm should be replaced.</blockquote>

    My two 10 year non-replaceable smoke detectors (Fireangel) both started the low-battery bleep after 3 years.

    To be fair, Fireangel sent two new ones in the post straightaway, no quibble.

    I'd reconsider spending £15 - £20 (each) on 10 year ones again if I have to rely on the warranty to give me value for money. Luckily Screwfix email receipts, so I was able to find it after 3 years!
  1.  
    >I'm curious why a tenant would do that, unless it was giving false alarms?

    Tenants might decide that the battery is better off used in whatever has just run out of battery.

    They might get put in a drawer because someone keeps burning the toast, and it triggers the fire alarm so they dismantle *all* of the alarm-shaped objects.

    So you need sealed for life ones with unique batteries, which also has the advantage that you don't spend so much time up steps changing them.

    It's the same reason sensible student landlords make sure that the light fittings in the common parts are a different type of fitting to those in the bedrooms - it stops them miraculously self-migrating when a bulb blows.

    Ferdinand
    • CommentAuthorgyrogear
    • CommentTimeNov 3rd 2015
     
    "TBH I'd not be inclined to trust something safety critical at 10yrs old anyway"

    Not even the aircraft that takes one on holiday ?

    gg
    • CommentAuthorwookey
    • CommentTimeNov 23rd 2015
     
    Or your car, or the structural parts of your house, or the incoming mains cable and so on and so on.

    Wouldn't sensible student landlords (if changing fittings) just fit LEDs so 'blown bulbs' is a thing of the past?
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