Gaps at the top, bottom, or sides let heat escape, so "oversizing" is better than a tight fit.
: Look for "triple-weave" labels, which indicate three layers of fabric woven together to create a dense thermal barrier. Backings and Linings : buy thermal curtains online
When buying thermal curtains online, focus on , precise measurements , and lining types to ensure they effectively regulate room temperature and reduce energy costs . 1. Key Features to Look For Gaps at the top, bottom, or sides let
: Floor-length curtains provide the best insulation by creating a complete barrier. If using sill-length, ensure they overlap the sill by at least 15–20cm. : Install the curtain rod 15–20cm above the
: Install the curtain rod 15–20cm above the window frame to cover the wall and prevent warm air from rising out through the top. 3. Recommended Online Retailers (2026) Thermal curtain buying guide - ManoMano