If your home has old-style double-hung windows with heavy sash weights on pulleys, you probably know that they’re not very energy efficient and they can be a pain to repair when those sash cords break. Most homeowners opt for replacement windows and tear out the old ones completely. But what if your old windows have amazing leaded or stained glass or some other feature worth saving? That might be a reason to opt for restoring, not replacing, your windows.

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Listen to BOB VILA ON RESTORING OLD WINDOWS or read the text below:

Photo: kitchenstudio-ge.com

Restoring old windows is not an easy job, and it can be pricey. The old sashes must be removed, along with the sash weights, and the hollow channels that held the weights and pulleys need to be filled in.  Those channels are one of the main reasons old windows are so drafty — all that hollow space allows a lot of cold to infiltrate. Old windows can operate on new spring-loaded balances once the weight channels have been filled in. The sashes need to be retrofitted to work with these balances, with new grooves routed into the frames to accommodate them. It’s an ambitious project best reserved for unique or historic windows, or for windows with glass you just can’t bear to part with. But done well, restored windows can truly enhance the beauty of your old home.

Bob Vila Radio is a newly launched daily radio spot carried on more than 75 stations around the country (and growing). You can get your daily dose here, by listening to—or reading—Bob’s 60-second home improvement radio tip of the day.