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Energy Efficient Windows

If you're looking for energy efficient windows that look just as great as they perform, your search stops here at Custom Built. As a family-owned company since 1961, we've helped families throughout New York, Connecticut, and Rhode Island enjoy the highest levels of energy efficiency for over 50 years now.

Our top-of-the-line replacement windows are not only available in dozens of customizable styles, but they're also built for lasting energy savings at a fair and affordable price! We also back them with impressive product and labor warranties.

Features of Our Locally Made Energy Saving Windows

When it comes to energy efficient windows, you shouldn't take just any retailer at their word; instead, you should go straight to the source and see for yourself. With Custom Built, you’ll know that you’re getting the best energy efficient home windows because we make them ourselves!

Instead of relying on energy windows from distant or less-than-reputable manufacturers, we’ve cut out the middlemen and engineered them ourselves. Families in New York and the surrounding states will enjoy locally made, highly efficient windows that are built for local performance.

The bottom line?

Every single component of our energy windows is designed to contribute to lasting efficiency in your home. Our high efficiency windows come with innovative and ENERGY STAR-approved features that include:

  • Fusion-Welded Frames and Sashes
  • Sash-to-Sill Interlock Technology
  • Low-e Glass
  • Argon Gas Fills and Spacers
  • Two or Three Glass Panes
  • Built-in Screens for Clean Airflow
  • And More!

Your Trusted Source for Custom-Designed High Efficiency Windows

With Custom Built windows, energy efficient features come standard. But that's not all! In addition to our high-quality window products, we also have the localized knowledge required to guarantee an outstanding installation of high energy efficient windows.

With 50+ years of experience and a team of experts from right here in the area, we know how to adjust our high efficiency windows to the unique local climate. BBB accreditation and thousands of happy customers can speak to our company's exceptional service and expertise!

Sign up for Your Free Cost Estimate for Energy Efficient Windows Now

If you're ready to get started with friendly, qualified, and certified window replacement professionals in New York, Connecticut, or Rhode Island, get in touch with Custom Built today! Call us to speak with an energy efficient window specialist, or fill out our simple online form now to get scheduled for your free, no-pressure cost estimate.

10 for $99 per Month - Installed

Replace your Windows for as low as $99/month with No Interest and No Payments for 1 Year!

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Made in the USA

Made in the USA

Quality Products Made in the United States

Lifetime Warranty

Lifetime Warranty

We Stand Behind Our Products and Labor

Veteran Discounts

Veteran Discounts

Special Pricing for Veterans and Service Members