Low-E coatings in glazing: benefits and applications

Low-E coatings are thin, transparent coatings applied to glass surfaces to improve their energy efficiency. They work by reflecting heat back into the building, reducing the amount of heat that escapes through the windows. This can lead to significant savings on heating and cooling costs.   

Benefits of Low-E coatings

• Energy efficiency: Low-E coatings can significantly reduce the amount of heat that is transferred through windows. This can lead to lower energy bills and a smaller carbon footprint.   
• Improved comfort: By reducing heat transfer, Low-E coatings can help to create a more comfortable indoor environment. This is especially beneficial in hot climates, where windows can let in a lot of heat.  
  Reduced glare: Low-E coatings can also help to reduce glare from the sun. This can make it more comfortable to be inside a building, especially during the summer months.   
• Increased natural light: Low-E coatings do not block natural light from entering a building. This means that you can still enjoy the benefits of natural light while reducing your energy costs.   

Types of Low-E coatings

There are two main types of Low-E coatings:

• Hard coat Low-E coatings: These coatings are applied to the glass surface during the manufacturing process. They are very durable and can last for many years.  
• Soft coat Low-E coatings: These coatings are applied to the glass surface after it has been manufactured. They are not as durable as hard coat Low-E coatings, but they offer better energy performance.   

Applications of Low-E coatings

Low-E coatings can be used in a variety of applications, including:

• Residential windows: Low-E coatings are a popular choice for residential windows because they can help to reduce energy costs and improve comfort.   
• Commercial windows: Low-E coatings are also used in commercial buildings, such as office buildings and retail stores.   
• Skylights: Low-E coatings can be used on skylights to reduce the amount of heat that enters the building.   
• Curtain walls: Low-E coatings can be used on curtain walls to improve the energy efficiency of the building.   

Conclusion

Low-E coatings are a valuable tool for improving the energy efficiency of buildings. They can help to reduce energy costs, improve comfort, and reduce glare. If you are considering replacing your windows, be sure to ask about Low-E coatings