Thermal Blackout Curtain

Is your home overheating in summer? South-facing rooms, large bay windows, attic apartments... Heat accumulates behind the windows, turning certain rooms into ovens as early as June. The thermal anti-heat curtain is specifically designed for this problem: its technical side reflects infrared rays before they penetrate your interior, limiting the greenhouse effect and maintaining a pleasant temperature without air conditioning.

Available in a wide range of colors and finishes, our custom-made thermal anti-heat curtains combine summer performance with a refined aesthetic to fit into all interior styles.

Why choose an anti-heat thermal curtain?

Thermal anti-heat curtain for south-facing apartment

A south-facing apartment receives sunlight for a large part of the day. Without textile sun protection, heat accumulates behind the windows and can raise the temperature by 5 to 10°C above the outside temperature. Our anti-heat thermal curtain blocks the infrared rays responsible for this overheating, while preserving natural light depending on the chosen model. For large bay windows, consult our guide how to put curtains on a sliding window.

Thermal anti-heat curtain without air conditioning

Air conditioning consumes on average 5 times more energy than a fan. A well-installed anti-heat thermal curtain, fully covering the glazed surface, can significantly reduce reliance on air conditioning and thus your electricity bill in summer. It is a passive, silent, and energy-free solution.

Thermal anti-heat curtain UV protection for furniture

The sun's UV rays gradually discolor furniture, flooring, textiles, and artwork exposed near windows. Our anti-heat thermal curtains filter out a large part of these UV rays, protecting your furniture and floor coverings in the long term. An often underestimated benefit that represents real savings on premature furniture replacement.

Thermal anti-heat curtain for bedroom

A bedroom that overheats in summer directly disturbs sleep quality. The ideal temperature for sleeping is between 18 and 20°C — difficult to achieve in an exposed room without sun protection. Our anti-heat thermal curtain keeps the room cool during the day for a more restful night. Discover our collection of bedroom curtains.

Thermal anti-heat curtain for bay window and glass roof

Large glazed surfaces are the most significant entry points for heat in summer. Our custom-made curtains adapt to large widths and ceiling heights to fully cover these openings. For living rooms with large bay windows, consult our collection of living room window curtains and our article thermal living room curtain: create a cocoon of warmth and silence.

How does anti-heat protection work?

The technical side of our anti-heat thermal curtains consists of a reflective coating that sends infrared rays back outside before they turn into heat in your room. This principle, identical to that used in professional building insulation, is effective as long as the curtain fully covers the glazed surface. To maximize performance, orient the technical side towards the window in summer. Our guide how to put a thermal curtain in the right direction explains this rule step by step.

Complementary collections

Does your home also suffer from cold in winter? Our anti-cold thermal curtain collection is specially designed for situations of intense cold. For standard all-season thermal insulation, consult our thermal curtain collection. To insulate your entrance from heat, discover our thermal curtains for entrance doors.

FAQ: Anti-heat thermal curtains

Do anti-heat thermal curtains really reduce indoor temperature?

Yes. By blocking infrared rays before they penetrate the room, they can limit overheating by 5 to 8°C in rooms heavily exposed to the sun.

Do they also work against cold in winter?

Yes, their technical lining provides thermal insulation in both directions. In winter, orient the insulating side towards the window to retain indoor heat.

Do they preserve natural light?

Depending on the chosen model. Some filter heat while letting natural light pass through. Others are completely blackout for total darkness. Consult the product sheets for each model.

Do they really protect furniture from UV rays?

Yes. By filtering UV rays, they significantly slow down the discoloration of flooring, furniture, and textiles exposed near windows.

How to maximize anti-heat efficiency?

The curtain must fully cover the glazed surface, extend 15 cm on each side, and the technical side must be oriented towards the window. Close the curtains during intense sunlight hours (usually 11 am-5 pm) and open them in the evening for ventilation.