Gaps at the top, bottom, or sides let heat escape, so "oversizing" is better than a tight fit.
: Thermal curtains focus on trapping heat, while blackout curtains focus on light exclusion. For both benefits, search specifically for "thermal blackout" curtains. 2. How to Measure for Maximum Efficiency
: 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 :
: 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 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.
: Prioritize heavyweight fabrics like velvet , wool , or heavyweight polyester for natural heat retention. Backings and Linings : : Install the curtain
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