IT Pilgrimage

A Journey From IT to Freedom

Save on Cooling Your House with Blackout

Posted by IT Pilgrim on June 14, 2008

Here’s one quick and easy tip to save a little energy, and thus money on your Air Conditioner. All you have to do is block out all of the light from windows. A few years ago, wandering around a fabric store, I came across Blackout. There are several versions of it, some are called thermal suede, which is almost as good, and there is usually a cheaper version of blackout. The best part is that it does not cost too much more than covering your windows with tinfoil, and looks 100% better.

Buy the cheap stuff, its just fine as long as you don’t dry it in the dryer on high heat (it will shrink). Just get you enough blackout to cover all your windows. The best part, is even if you do not know how to sew, you can install this stuff. Just cut it a little bigger than your windows and pin or tape it up. If you’re going to do that, you may want to consider hiding it behind your curtains and no one will be the wiser.

One thing to be aware of is that it does truly block out all the light. Unless you get the thermal suede, which is meant to block heat not light, there will be no light coming in or out of your windows. This means that the neighbors cannot see if the lights in your house are on at all. That can be a plus or minus depending on your situation. It also works quite well for keeping out the light of pesky security lights, especially in apartment buildings. The payoff is huge! Even the non-light blocking thermal suede is rated to keep your house 10-15 degree cooler in the summer, and it has the advantage of keeping cold out in the winter. Give it a try, I would love to hear if anyone else has used it.

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