HGS vs DYASo, there we have it. In 2 days we have seen TV coverage of a unit which consistently saves 15-20% (DYA) and an admission that a unit doesn't work (HGS).
Now I have no doubt that this post will be copied by one of the bashers/imposters and we'll see the symbols swithed, but that's their MO. Fact is fact. We reign supreme. Time will tell all.