Cheap Chinese glass will be the issue going forward I think. I really don't buy the retro double glaze story. These days you've got heat pumps with a coefficient of performance as good as 6:1 at very modest cost. I don't think the double glazing thing gets anywhere near the bang for your buck that a good heat pump and good thermal curtains do. Maybe you have a point with Australia but why did they bother trying to expand there when they quite obviously haven't got their own house here in very good order ?
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