Toronto Glass (Heat Seal) Ltd.

Manufacturer of dual seal insulating glass units for window manufacturers, home builders, renovators & commercial application.

Warmedge, Low E, Argon technology including Energy Star criteria

Family owned & operated since 1991 backed by 35 years previous experience

Our main focus is on quality & reliable service.

Member of IGMA (Insulating Glass Manufacturers Alliance

Industry standard five year warranty providing units are installed in accordance with IGMA installation instructions