MikeGrahamT21 Posted June 27, 2023 Share Posted June 27, 2023 21 hours ago, eandg said: You'll notice a huge difference with new 3G - I am really surprised how little solar gain appears to come in (only a very marginal temperature difference) through south facing windows in our build compared to the old 2G in current home. Whilst 2G panels warm up far more than 3G (South facing roof windows, 70C vs around 45C), they still bring a lot of solar gain, external shading is the only true method of reducing this, as once the sun gets inside the panel it becomes a nice storage heater. Link to comment Share on other sites More sharing options...
SteamyTea Posted June 27, 2023 Share Posted June 27, 2023 Problem is solved now, it is cloudy and 15.5°C outside. Feels like an autumn day. 1 Link to comment Share on other sites More sharing options...
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