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    • 2 December 2015 at 11:23 am #31940
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        Let us have your thoughts on this article which can be read here – https://aecb.net/does-passivhaus-pay-by-david-olivier/

      • 31 December 2015 at 11:42 am #39212
        David Olivier

          We cannot do everything. Resources are always finite on a finite planet. I wasn't saying we should only do things with short payback times. But a 75-100 year payback time seemed a bit steep.

          Using scarce capital on replacing G fridge-freezers by A+++, and other measures like it, would yield CO2 returns sometimes 10-100 times greater. Ditto replacing controls on even gas condensing boilers, etc, etc.

          Long term, we shouldn't be heating buildings via gas boilers, as I tried to imply in the article, in part via a reference to Denmark. I hope we're not doing so in 2100 although I won't be around to know either way.

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