A 3×4’ Indow insert will weigh 12 pounds, while a 3×4’ glass insert will weigh around 19.44. The weight of ⅛’’-thick acrylic is 1 pound per square foot. The weight of ⅛’’-thick glass is 1.62 pounds per square foot. ![]() ![]() Since Indow inserts retain heat well, the hot outside air penetrates into your home much more slowly, so you don’t need to run your AC as much to maintain your desired temperature.Īnother reason why we chose acrylic over any type of glass insert is because of the weight and clarity. Warm inside air moving out more slowly means you don’t have to run your heating system as much to maintain your desired temperature. As a result, heat moves from the insert and through the window frame to the cold outside air much more slowly. Because we use acrylic, Indow inserts transmit heat seven times more slowly than regular glass. The great news is that acrylic retains heat well. You have to run your heat continuously in winter because heat is escaping from the warm inside to the cold outside. In the winter, your warm inside air meets your glass window and because heat moves from warm objects to cold ones, the heat moves through the glass and into the cold outside air. If heat moved from colder objects to warmer ones, then your hand would warm up while holding ice and the ice would remain intact. ![]() Because heat moves from warmer objects to colder ones, heat moves from your hand to the ice cube, causing it to melt. Heat flows from warmer objects to colder objects. Do you mind chatting about science for a moment? We promise it will be quick and painless.
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