How to Keep Heat Inside With Old Windows

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Here at Gurley and Son we can keep your HVAC system running strong all winter long, but we also want to help keep that heat in and your bills low!

Old, drafty windows can make your house feel cold and uncomfortable. Their energy inefficiency can also lead to soaring heating bills that can take a big bite out of your budget. Don’t despair; there are things you can do to retain more heat inside your home without replacing your old windows. Sealing window leaks and layering several barriers between old windows and your home’s interior can make you feel cozier inside while leaving more money in your wallet.

#1 Run your hand along the inside perimeter of your windows to check for cold air seeping inside. Seal any visible holes or cracks with beads of silicone caulk. Use silicone caulk because it’s flexible, waterproof, provides a long-lasting seal and won’t shrink or crack. This will help keep the cold air out and the warm air in.


#2 Attach weatherstripping around the interior perimeter of your windows to help make your home airtight. Measure each side of your window to determine the amount of weatherstripping you’ll need. You can use adhesive-backed foam or tape weatherstripping that comes in a variety of widths that you can cut to fit your window measurements.


#3 Install removable window inserts over your interior windows. A window insert is a clear, lightweight polyvinyl film that’s set in a custom-made frame to fit over your old windows. Press the inserts into place for the winter and easily pop them out during the summer. They’re stronger than heat shrink film.


#4 Hang thermal-back draperies over your old windows to provide an insulating barrier between the window and your home’s interior spaces. Use Velcro to attach the drapes to the sides of the wall for maximum insulation. Also, hang curtains above the top of the window and allow the bottom edge to touch the window sill or the floor to completely cover the window.


#5 Install window shutters on your home’s exterior. Solid-panel wooden shutters can be closed to provide an additional barrier to help keep heat inside your home. You can also choose from several decorative styles to match your home’s exterior design.

If after all this you’re still having trouble with your heating and air, and you’re home isn’t quite warm enough, give us a call and we’ll stop by to check it out, free of charge.