Our Best Bang pick, the Deconovo Thermal Insulated Blackout Curtain, is an even better deal right now starting at just $16.37 per panel (27% off). These budget-friendly curtains are triple ...
Most thermal curtains have at least two layers, but three-layer panels are even better for heat insulation. Standard three-layer curtains consist of a decorative layer, thermal lining, and backing.
They add: "Closing the curtains would prevent that solar heat gain. However, it's also important to ensure the windows are well-insulated to minimise heat transfer through the glass. The optimal ...