A rated as standard, we offer some of the most energy efficient low-E units on the market, which deliver improved thermal insulation, increased light transmittance, maximum solar gain and low heating bills for your clients.Contact Us
Sternfenster supplies thermally efficient double and triple glazed units manufactured with the revolutionary high performance low-E glass. This glass has been optimised for Window Energy Ratings (WER) making it the most energy efficient low-E glass on the market today.
Our double and triple glazed units are manufactured to the highest standards, and are widely used in all types of applications, from standard casement windows, to bi-folding doors and conservatories. With Sternfenster, our products exceed and offer the best energy ratings for UK properties.
Our standard reinforced double glazed units achieve a u-value of 1.2 W/m²K, with a window overall u-value of 1.4 W/m²K. For even higher energy efficient windows and noise insulation, we are also able to offer a range of triple glazed units with a u-value of 0.6 W/m²K (window overall u-value 1.0 W/m²K).