Low-emissivity Glass

Low-emissivity Glass

What is low-emissivity glass?

Low-emissivity glass (or low-e glass as it is commonly referred to) is a type of energy-efficient glass designed to prevent heat escaping out through your windows to the cold outdoors.

Pilkington offers a range of single low-emissivity glass products and units.

  • Pilkington K Glass™
  • Pilkington K Glass™ 
  • Pilkington K Glass™ OW
  • Pilkington Optitherm™ S1 Plus
  • Pilkington energiKare™ (This unit is suitable for residential applications)
  • Pilkington Spacia™ (This unit is ideal for older buildings including listed properties)

Save money with low-e glazing

By installing low-e windows, you can significantly improve your Window Energy Ratings and reduce the amount of energy lost through your windows by up to 75%!  Considering these figures and the cost of fuel today, it is easy to see why more and more people are opting for higher WER band windows by incorporating low-e glass into their existing window frames.