Window U-Factor and SHGC Recommendations for South Carolina Homes
If you are shopping for replacement windows in South Carolina, the two numbers that matter most are U-factor and SHGC. U-factor measures how well a window keeps heat from moving through it. That means windows should do two jobs at once, slow down heat transfer and limit unwanted solar gain, while still allowing enough daylight and visibility to make the house comfortable. That is helpful in winter, but it also helps in summer because it reduces how easily outdoor h