Thermal upgrade will improve the thermal efficiency of your glass and increase the overall energy rating, as well as reduce the 'U' value

• Lower energy bills
• Reduced heat loss
• BFRC accredited

The following upgrades will be applied to your glass:
1) Argon gas filled panes (usually air)
2) Warm edge spacer bars (usually silver)
3) Low E (emissivity) film

This upgrade will also help regulate your homes temperature in the summer months by keeping it cooler