Do blackout curtains keep heat out?

Blackout curtains and shades will reduce the amount of heat which is transferred via your windows by as much as 24 percent, keeping the rooms where they’re installed cooler in summer and warmer in winter. This will allow you to use your heating and cooling system more efficiently and save energy.Click to see full answer. Besides, what color curtains keep heat out? Curtains and drapes. Studies show that medium-colored draperies with white plastic backings can reduce heat gain by 33 percent, according to the DOE. Hang the curtains as close to the window as possible.Beside above, do blackout curtains insulate? Blackout curtains typically feature tightly woven fabric to block out unwanted sunlight. Thermal curtains can also dampen sound, block out sunlight, and reduce energy bills. While both blackout and thermal curtains have insulating and blackout qualities, the primary function of thermal curtains is to insulate the room. Then, are blackout curtains worth it? Blackout curtains have three main functions: Block light, block noise, reduce energy costs. Some brands of blackout curtains claim to block up to 99% of light. People who work at night can suffer from health problems due to their unusual sleep habits. Eclipse Curtains claim that their curtains can block 40% of noise.What can I put over my windows to keep the heat out?By completely covering your windows with aluminum foil, you will not only block the sun, but the aluminum foil will reflect the sun and lower your cooling bills. When putting aluminum foil on your windows, you will need to tape the foil in place with the shiny side facing out.

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