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CSH anomalies - please send to me (log in to subscribe to this post) |
| Peter Warm informs us that "If a developer wants to make code level 4, he can build a less well insulated shell if he adopts electric on peak heating. Please report any other odd CSH results to me so we can feed back to DCLG simon@goodhomes.org.uk |
| 08 Nov 2007 2:04 pm Simon Corbey, Good Homes Alliance |
There have been 2 replies to this post.
| re CSH anomalies |
| Simon Neil May will have sent you some notes on the water anomalies but for anyone interested there is discussion on the AECB forum: www.aecb.net/forum/index.php?topic=914.15 On the energy side it is becoming clear that houses designed to the German PassivHaus Standard - way beyond anything so far achieved in the UK - can fail to achieve Code level 3 (actually most would score 0 because of the water anomaly). Along with the electric heating anomaly Peter has found that the less efficient the building form (lots of external area for given floor area) the easier it is to get a higher code level. Rationalise the form and you dramatically reduce carbon emissions but stand to loose code points as the percentage improvement achievable by increased insulation is less. Again there is discussion in some depth on the AECB forum: www.aecb.net/forum/index.php?topic=1178.0 Nick Grant NBT Consult |
| 15 Nov 2007 7:47 am , |
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| 15 Nov 2007 7:54 am , |
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