: Common in ready-made curtains for reflecting heat.
: Can be retrofitted to existing curtains or bought as a "thermal-lined" set for maximum energy efficiency. buy thermal curtains online
: Look for "triple-weave" labels, which indicate three layers of fabric woven together to create a dense thermal barrier. Backings and Linings : : Common in ready-made curtains for reflecting heat
: Aim for 1.5x to 3x the width of your window frame. This ensures rich pleats that "seal" the window edges. buy thermal curtains online