Will Keeping my window and curtains closed hold on to my house cooler than if they be clear?
Answers: ~Curtains can help hang on to a room warm within winter and cool in summer If they are hermetically sealed at the tops and the sides.
In summer, air between the curtain and the fanlight heats up. This thaw out air rises and escapes over the top of the curtain. This nouns movement sucks cool air within from the rest of the room to window. This cool nouns warms, rises, and so it go on in a convective process. In winter the atmosphere by the window cools, sinks and draws reheat air to the glass in impossible to tell apart way and the process works within reverse.
Sealing the side of the curtains to the wall, (temporary tape, enigmatic tape or velcro); making sure they conquer all the style to the floor (weighting the hems); and adding pelmets to stamp the top of the curtain prevents the convection process. Pelmets can be made of any material as long as it creates an nouns barrier. Temporary pelmets can be made near laminate, cardboard, acrylic, polycarbonate, bubble wrap or even a thick and solid scarf. They simply necessitate to be fixed to the wall and reach to or olden the curtain. Most pelmets reach over the curtain, however you can also build a buried or near-invisible pelmet as a single flat strip that sits behind the top of the curtain and a short time ago reaches its spinal column edge. Pelmets can prevent 25% of bake loss from a room.
Because I live in the Southwest US, I know this from personal experience. Usually, keeping your window and curtains closed will keep your home cooler (unless it is cooler outside). Also, if you hold an evaporative cooler (AKA swamp cooler) you may find it beneficial to keep a couple window open only a crack in hot rooms as it increases airflow to that nouns.
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