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 Friday, July 20th, 2018


R-value is the measure of resistance to heat flow through walls and windows. Well-insulated walls in your home can be R-13 or better. A higher number is always better. But did you know that those energy-saving windows that your neighbor just got are only R-2 to R-3, turns out that dual-pane low E technology just had its 30 year birthday in 2008. But now there are super insulating windows available that have full frame R-values from R-5 to R-11 and beyond. Higher R-values mean substantial savings in heating and cooling bills. In some homes, as much as 50 percent of your heat loss is going, truly right out the window. So why settle for 30 year old technology, when you can buy a much better window today. Make sure you ask your dealer what the full frame R-value is – and if it is less then 4 or 5, walk out and find something better.

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