Express Windows Group Accessories Glass Type Glass Type Whether it’s for style, privacy, or more light, our glass gives you 21 different stylish options to choose from. Check availability Contact a member of staff to check availability CONTACT US Download PDF Glass Type Gallery Have you ever wondered what energy-efficient glazing is? Energy-efficient glazing is the term used to refer to double-glazed or triple-glazed windows that can reduce building heating and cooling bills by up to 50%. Unlike the original single glazing or old double glazing, this type of window incorporates coated glass which provides it with low emissivity. This also makes the windows highly thermally insulating, which will help you save money on heating bills and make your home more energy efficient. Low-E glass is energy efficient and helps keep heat inside your home, protecting it from the cold outside. Low-e glass such as Pilkington K Glass™ Range has an coating which reduces heat transfer and reflects heat back in the room – keeping you warm! Energy Saving Glass provides a wide range of applications Save money on your energy bills and reduce the effects of climate change. Improve your home with energy saving glass. Windows, doors, conservatories and rooflights can all benefit from putting in energy efficient glazing. When incorporated into other types of glass, our energy saving glass can provide an array of benefits such as decorative effects, impact safety resistance, added security or noise reduction. An important part of designing a comfortable and beautiful home is ensuring that the home has access to lots of daylight. Thankfully, there are lots of ways to do this through intelligent building design. Energy-efficient Windows The Pilkington energiKare™ range of double and triple glazed units incorporating our Pilkington K Glass and Geniune Ultra Optitherm is perfect for use in windows.