INSULATE YOUR WINDOWS FOR HALF THE COST OF REPLACEMENT WINDOWS  |  209-465-3200
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  • For Antique Windows
  • Testimonials
    • Italian American Museum of LA
    • Casa Soberanes Antique Windows
    • APPLE Center Antique Windows
    • Miners Foundry Antique Windows
    • Deer Creek Inn Antique Windows
    • New York Hotel Antique Windows
    • Dedrick's Antique Windows
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Don't Replace Your Antique Windows!

If you have classic, antique windows in your home - even the old lead-glass, single-pane windows from the turn of the century - Castle Window Covers not only has the best solution for your windows, we may have the only solution.

Preservation laws and regulations often don't permit the replacement of antique windows. More importantly to home owners, you bought your home for the classic look and charm of it, and that includes your antique windows. With those beautiful windows comes a price, though, both literally and figuratively.

More Cost-Efficient than the Best Dual-Pane Windows

In the summer time, the cold air from your air conditioner escapes right through your single-pane or antique windows. This causes your air conditioner to run all day, blowing cold air just to let the majority of it flow right out the windows.
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Casa Soberanes in Monterey, CA, is an historical landmark. Castle Window Covers was able to preserve the historical windows while minimizing the damage from UV rays and cutting heating and cooling costs significantly.
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Castle Window Covers are virtually invisible and they completely seal the windows, eliminating drafts.
Meanwhile, the summer heat comes through the glass as well since glass is a conductor of heat, just like metal.

During the winter, the same thing happens, only in reverse: the warm air from your heater escapes through the glass of your single-pane, classic windows.

At the same time, the cold outside air comes in through the cracks in and around your antique windows and frames, creating those annoying cold drafts in winter.

Eliminate Drafts from Antique Windows


By having Castle Window Covers installed over your existing antique windows, you can eliminate all drafts that come through your windows, whether through the gaps in the lead frames, or through the cracks in the wood frame around your beautiful, classic windows.
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This graphic shows how Castle Window Covers seal the temperature inside you home by eliminating the cold drafts coming in while also keeping the warm air from your heater inside your home.
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This graphic shows how Castle Window Covers seal the temperature inside where you want it: no air escapes either way, keeping the temperature constant.
Castle Window Covers magnetically seal around your existing windows just like the door on a refrigerator, completely sealing the temperature inside away from the outside temperature.

Best of all, no more drafts come through your antique windows and frames. Castle Window Covers eliminate the need to replace your antique windows.

By eliminating the cold drafts that come through your antique windows in the winter, and by also eliminating the hot air that sneaks through in the summer time, Castle Window Covers can drastically reduce your utility bills by up to 50%.

Installing Castle Window Covers eliminates these drafts altogether.

Castle Window Covers are the best solution for your antique and classic windows. Lead glass windows, single-pane windows, decorative, turn-of-the-century windows, or even windows in an historical structure - all of them can be preserved with our acrylic, magnetically-sealed window covers. Best of all, Castle Window Covers cost about half the price of replacement, dual-pane windows, and Castle Window Covers actually perform better than most brand-new, dual-pane windows.

We can help you preserve the beauty, look and feel of your antique windows without having to replace them, and we'll save you money until the end of time in utility bills when compared to what the (uglier) replacement windows would have cost you in heating and cooling expenses.

To get a free estimate, contact us any time.



Historical properties all over California trust Castle Window Covers to protect the beauty, structural integrity and preservation of the antique, classic windows in some of the state's most valuable landmarks.

Click below to see examples and Testimonials from some of California's historical landmarks:

Antique and Historical Window Preservation Samples

Italian American Museum of L.A.


Casa Soberanes
Monterey, CA
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APPLE Center for Sustainable Living
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Miner's Foundry Cultural Center
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Deer Creek Inn: Queen Anne Victorian
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Sierra Watch and Power Up, N.C. in the New York Hotel
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Dedrick's Cheese & Gourmet Foods
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Casa Serrano
Casa Serrano Historic Windows


Cooper-Molera Adobe
Cooper-Molera Adobe Antique Windows


Larkin House
Larkin House Adobe


Pacific House Museum
Pacific House Museum


Stevenson House
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Castle Window Covers
38 N. B St. Stockton, CA 95205
209-465-3200

Click here for a free estimate.
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A BETTER FIT FOR YOUR HOME.
Established 2004
License #863275