The solar heat gain coefficient (SHGC) is one of the many energy performance metrics that must be factored in when choosing replacement windows. Knowing everything about it has a significant impact on your home’s energy efficiency, comfort, and overall indoor environment. In this article, Renewal by Andersen® of Kansas City discusses what window SHGC is, why it matters, and how it influences your daily living experience.
What Is SHGC?
The SHGC of a window is presented as the ratio of solar heat that passes through a window and enters your home. It is expressed as a number between 0 and 1, with lower values indicating that the window transmits less solar heat and higher values indicating greater heat transmission. In essence, SHGC measures the window’s ability to block or admit solar energy.
The Importance of Window SHGC
Understanding window SHGC can be extremely beneficial to your home. Here’s why:
Energy Efficiency. In climates with significant cooling needs, windows with a lower SHGC are beneficial. They help block out excessive solar heat, reducing the need for air conditioning and contributing to lower energy consumption and utility bills.
Comfort. Casement windows with a high SHGC can lead to uncomfortable indoor temperatures in Kansas City, as they allow more solar heat to enter. Choosing windows with appropriate SHGC values ensures your home remains comfortable and minimizes temperature fluctuations.
UV Protection. A window’s SHGC also affects the amount of ultraviolet (UV) radiation that enters your home. Lower SHGC values can help reduce fading and damage to furniture, flooring, and other interior elements caused by UV exposure.
Climate Considerations. The ideal SHGC value depends on your local climate. In colder climates, a higher SHGC can assist in passive solar heating during the winter months, while a lower SHGC is preferred in warmer regions to prevent excessive heat gain.
Factors That Influence Window SHGC
Many factors influence window SHGC. When planning for replacement windows in Kansas City, take note of the glass type. Single-pane, double-pane, and low-emissivity (Low-E) coatings affect SHGC. Low-E coatings can significantly reduce SHGC by reflecting a portion of solar radiation.
The frame’s insulating properties may also impact the overall window’s performance. Different materials, such as wood, vinyl, and aluminum, influence how heat is transferred through the window. Moreover, the direction a window faces affects the amount of solar radiation it receives. South-facing windows receive more direct sunlight, impacting the SHGC’s relevance.
For Window Replacement Services, Look No Further!
While window SHGC might seem like a small detail, it has a big impact on the comfort of your home and your energy bills. Choosing the right windows for your climate and home can be a complex task, but you don’t have to navigate it alone. As a trusted window company in Kansas City, Renewal by Andersen of Kansas City can help you ensure your home is equipped with the best windows for optimal comfort, efficiency, and savings. For inquiries, call us today at (913) 956-0887, or complete our online form!