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Heating and cooling: No more new-build gas boilers?

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  1.  
    • CommentAuthorJoiner
    • CommentTimeAug 11th 2011
     
    Could someone please point me (and others) to where this is actually stated? Thanks.

    Mentioned it to a builder mate yestersday and he asked me where he could find details of the change. :confused:
    • CommentAuthorbeelbeebub
    • CommentTimeAug 11th 2011
     
    erm.... not sure this can be true

    Non-condensing boilers are pretty much dead as they can't meet the minimum efficiency targets.

    AFAIK it business as usual for fitting gas boilers to houses new build or otherwise. I mean, what else can we use? A condensing gas boiler is pretty much the most efficient and cleanest way of turning fossil fuels into heat.
    • CommentAuthorJoiner
    • CommentTimeAug 11th 2011
     
  4.  
    As mentioned in the other discussion
    I've heard this from 3 sources , one a large plumbing company involved in new build
    Had a search around the tinternet and no clue from the gov.
    perhap is just a rumour to stimulate renewable tech. sale for the industry as everything else is a bit flat.
    • CommentAuthorJoiner
    • CommentTimeAug 11th 2011
     
    Saw it referred to as "maybe" part of the Code For Sustainable Housing, but like you couldn't find any reference there either.

    Can't really see it being true, given the CONTINUING presence of gas in the overall equation for decades ahead, as mentioned in that other thread... http://www.greenbuildingforum.co.uk/forum114/comments.php?DiscussionID=7681&page=1#Item_6
  6.  
    New builds only , which is a very small section of the built environment
    , there still 18 million + gas boilers out there that'll need looking after and replacing in time

    How many homes that now exist will exist in 50 years time or what percentage of home in 50 years time will be built after 2015, not sure but I think it will be small.

    cheers Jim
    • CommentAuthorCWatters
    • CommentTimeAug 11th 2011 edited
     
    Back in 2006 the government published the Code for Sustainable Homes..

    http://www.planningportal.gov.uk/uploads/code_for_sust_homes.pdf

    As I understand it the idea was that they were going to change the Building Regs Part L so that all new houses would be:

    2010 - Code 3
    2013 - Code 4 (PassivHaus standard)
    2016 - Code 6 (Zero Carbon including cooking?)

    I've no idea if the timetable is still the same or if the codes will change but 2013 is only 16 months away.

    I'm not very familiar with the codes but I've seen it suggested that a gas boiler on it's own won't meet Code 4, you need solar as well ???

    I think the building industry is still arguing about Code 6.
    • CommentAuthorJoiner
    • CommentTimeAug 11th 2011
     
    That was my reading of it, Colin. But how the hell do you get to Zero Carbon? unless they're not thinking in absolute terms?
    • CommentAuthorCWatters
    • CommentTimeAug 11th 2011
     
    They have been debating what zero carbon means in the context of the new towns for at least four years. Last I heard big developers wanted carbon offsetting allowed.
  10.  
    ''I've no idea if the timetable is still the same or if the codes will change but 2013 is only 16 months away.''

    And at one time public-funded projects such as hsg ass'n schemes were going to need level 6 from 2013. I wonder if that's changed?

    ''I'm not very familiar with the codes but I've seen it suggested that a gas boiler on it's own won't meet Code 4, you need solar as well ??? ''

    IIRC you can get level 3 with fabric measures only, but after that 'bolt-on goodies' kick in. The worrying thing is people were using renewables to even get them to level 3, which implies insufficient fabric stds. That should not be possible now as the Oct 2010 Bldg Regs are the energy req't of level 3. (25% over 2006). Likewise te next revision will equal te energy stds of level 4 (44% over 2006).

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