Welcome back to Window Wisdom. Today we cover something very practical — how to choose the right curtain and drapery fabric for the winters we deal with in Richmond Hill, Thornhill, and across the GTA. The right fabric can actually save you real money on your heating bill.

We cover:

- The surprising fact: up to 30% of heat loss in a GTA home happens through the windows

- How the thermal barrier effect works and why heavy drapes have been used in cold climates for centuries

- Thermal-lined drapery — what interlining is and why it makes a measurable difference

- Blackout-lined drapery — why a quality three-pass foam-back lining also provides thermal insulation

- Cellular honeycomb blinds — the most technically efficient window covering for heat retention in a Richmond Hill home

- Room-by-room recommendation ...