An A-Rated window is the most energy efficient window. The "A" rating is a trusted hallmark of quality that provides peace of mind. Energy efficient products result in less energy being lost which in turn helps reduce heating bills and supports a reduction in carbon emissions.
You don't get much for free these days, but free heat is exactly that. Rooms can be heated naturally from exterior light and warmth, as long as you have the right windows.
Domestic windows are rated by how much natural heat is let into a building and also how much is retained. Quite simply, those that let in the most and let out the least are the most energy efficient. By making the most of "free heat", you can reduce your outgoings year upon year. Our state-of-the-art windows will lower your energy bills. An Aynsley window is truly a sound investment.