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Practical upgrades can cut drafts without erasing a home’s character.
Historic homes need not stay drafty to preserve their character. The challenge is choosing window improvements that suit the building, local climate and preservation standards.
Thermal performance means resisting heat transfer, air leakage and moisture problems. A window’s value is not only how old it looks, but how well it helps keep rooms livable.
In many historic homes, heat escapes through air leaks and poor weatherstripping, not just through the glass. Checking the sash and frame can reveal where comfort is being lost.
A practical approach begins with repairs and upgrades that leave the original windows in place. Choose the level of intervention to fit the home rather than assuming replacement is necessary.
Air sealing targets leaks around the frame and sash. Closing those gaps helps limit unwanted outside air while keeping the original window and its appearance intact.
Weatherstripping reduces the movement of outside air around a sash. It is a discreet upgrade that can improve comfort without changing the visible character of the window.
Restore cracked or missing glazing putty as part of window maintenance. Repairing the glazing helps preserve the original sash and addresses a problem without replacing the whole unit.
Interior or exterior storm windows add a thermal buffer while avoiding changes to the façade. They can be considered before removing original windows for a replacement.
A fully replaced window may look newer, but the article points to repair and discreet upgrades as the first steps. Preserve what can be repaired and document any changes.
The guiding rule is not to never replace or to replace everything: preserve what can be repaired, upgrade what can be improved and document changes. That balance supports comfort and character.
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