There are factors that accurately measure and rate a window’s energy performance, with the goal of helping homeowners like you make more informed purchasing decisions. These ratings are usually found on a label placed on the window. And if you look closely, you’ll find that this unit is rated based on its SHGC and U-Value. But what exactly are SHGC and U-Value, and is there any difference between them? Renewal by Andersen of Rapid City, the premier window company, shares what you need to know.
The SHGC rates how much solar heat passes through the window glass and into your home. The higher the SHGC rating, the more solar energy is transmitted into your home via the window. This can be incredibly useful in regions that have a predominantly cold climate; windows with high SHGC allows for effective passive solar heating, which keeps the home naturally warm without relying too much on a heating system. In areas with a hot and dry climate, however, the best window options are those with a lower SHGC.
The U-Value measures the amount of heat that enters your home through the window. This seems similar to what the SHGC does, but there’s one slight difference: U-Value rates non-solar heat. The lower the window’s U-Value, the better it is at insulating your home against outdoor heat. By preventing excess heat from leaking into your home, the window helps maintain a naturally cool and comfortable indoor environment during summer – sans the high energy costs.
If you’re looking for exceptional windows that allow plenty of natural light into your home but keeps both solar and non-solar heat out, just turn to Renewal by Andersen of Rapid City. Our top-tier replacement windows come with Fibrex® frames and sashes, allowing for strong and airtight window seals, and advanced High-Performance™ Low-E4® SmartSun™ glass, which keeps your cooling loads down by reducing heat transfer to your home.
Renewal by Andersen of Rapid City is your go-to source of the highest quality replacement windows. Our options combine superior energy efficiency and tough performance, making them a fine addition in every home. We proudly serve homeowners in Rapid City, SD, and other areas in Pennington County. Call us today at (605) 341-7831, or fill out this contact form to schedule a window consultation.
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