First you should do some research on the window itself. Make sure that it is energy efficient and is certified by the National Fenestration Rating Council(“NFRC”) and has the Energy Star seal. The u-factor is the measurement of how energy efficient the window is and the lower, the better. The Solar Heat Gain Coefficient is […]
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First you should do some research on the window itself. Make sure that it is energy efficient and is certified by the National Fenestration Rating Council(“NFRC”) and has the Energy Star seal. The u-factor is the measurement of how energy efficient the window is and the lower, the better. The Solar Heat Gain Coefficient is […]
First you should do some research on the window itself. Make sure that it is energy efficient and is certified by the National Fenestration Rating Council(“NFRC”) and has the Energy Star seal. The u-factor is the measurement of how energy efficient the window is and the lower, the better. The Solar Heat Gain Coefficient is […]
