replace broken sash locks on windows, new years diy resolutions
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2. Latch All Your Sash Locks

Make sure to replace any that are broken and fix those that are misaligned, says This Old House general contractor Tom Silva. It's a basic, low-tech task that too few people do. If you have old windows, be sure to shut all your storms.

The payoff: Save 10 to 15 percent on your monthly heating bills.
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