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Solar panel array finally commissioned yesterday afternoon. I flew out to the US this morning and I'm currently sat in a bar drinking weak beer but I can see on my iPhone it's been sunny back home. Look at that lovely electricity Isnt technology getting amazing !

I have collected prices and U values for a lot of different roof windows now, so thought it was worth tabulating the information. This is all for size 780 by 980 roof windows, centre pivot, wood finish internally. No special options like anti noise etc. Dakeu 2G U=1.4 £110 Rooflight 2G U=1.5 £133 Fakro 2G U=1.2 £186 Velux 2G U=1.3 £201 Eco+ 3G U=1.0 £221 Roto 2G U=1.2 £222 Facro 3G U=0.97 £301 Velux 3G U=1.0 £321 Facro 4G U=0.58 £1044 All prices ex VAT and delivery I still think the Eco+ 3G at £221 looks a good bet so I am likely to buy one and see. If it does turn out to be good, I have another two to buy later on. The last one, the Facro 4G at over a grand, shows to me a rather high cost for a small benefit that would have a stupidly long payback time.

Anyone? Another question- the through-frame fixings, I am thinking of using stainless for this as they will be visible whenever the window is open, and I could see some moisture being trapped inside the window mechanism between the seals.

phone died but got an old one from a kitchen drawer so don't expect David Bailey standards. Any how here are some pics of how it looks at the moment. I've inserted another dozen or so in entry number one!