The most significant disadvantage to low-E glass is its upfront cost. Over time, these benefits create cost savings for building owners who invest in low-E glass windows and doors. Protection – UV rays cannot penetrate the glass, protecting objects and people.Invisibility – The additional layerings are not visible to the human eye.Durability – The metallic coatings are inside the glass, making it more durable.When installed properly, it can reduce heat loss in buildings by as much as 50%. The most obvious perk of low-E glass is its ability to reduce energy loss. No invention is perfect, and low-E glass comes with various benefits and some drawbacks. Understanding the Pros and Cons of Low-E Glass Tinted windows only block out shorter wavelengths (light), but low-E coating glass allows shorter wavelengths through while also filtering out long wavelengths (heat). ![]() Unlike tinted windows, low-E glass creates a sort of filter for certain energy wavelengths that allow light through without losing out on heat. It accomplishes this process because of the exceptionally thin layers of metallic coating on the glass. The heat coming from the sun or your building’s HVAC system will “bounce” off the low-E glass and go back into your building, rather than permeating through the glass to the outside. Low-E insulated glass creates better heat insulation for a building. In other words, low-E glass radiates less energy, allowing it to transmit less heat. Emissivity is measured from 0 to 1, with 0 being a reflective mirror and 1 being a fully blacked-out surface. The “E” in low-E glass stands for emissivity, or the amount of energy radiated from a surface. Keep reading to learn more about this product and how it works to decide whether it’s right for your commercial building. ![]() But is low-E worth it, and should you use it for your business? Low-E glass is becoming a more popular choice among windows and doors because it offers energy-saving structures without sacrificing quality or clarity. The types of materials you choose can have a significant impact on the efficiency of your windows and doors. Did you know that up to 70% of energy loss in buildings occurs via windows and doors-and that most of it happens through the glass? Whenever you’re considering installing new windows or doors in your commercial space, there is a lot more to think about than just aesthetics.
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