ID: AP102

Choosing Energy-Efficient Windows for Historic or Custom Homes

Learn how you can choose energy-efficient window solutions for any historic or custom-built home with this guide from Kolbe. 

Why Window Choice Matters for Historic and Custom Homes

Whether you’re restoring a historic property or creating a one-of-a-kind custom home, it can be challenging to find windows that fulfill your performance and energy efficiency requirements while also staying authentic to the original architecture or design. The right solutions honor both. High-performance, historically correct windows can remediate the efficiency problems in older homes--single-paned glass, heat loss, and drafts being a few--and immediately improve daily quality of life. In custom homes, choosing windows that can be made to fit any design opens up an entire world of architectural opportunities.

Windows might be overlooked by some, but they are crucial functional and aesthetic elements of any home. The right windows can be the perfect touch, enhancing design and improving performance so your home can reach its full potential.

W200
ID: W200

Key Features That Define Energy-Efficient Windows

Form and aesthetics may change, but the performance factors that improve energy efficiency are consistent for every window. Look for the following standards from the National Fenestration Rating Council (NFRC) to ensure your windows provide the performance you need: 

  • U-factor: Measures the amount of interior heat that can escape through a window. The lower the value, the less heat is lost.
  • Solar Heat Gain Coefficient (SHGC): Measures the amount of solar heat that can enter a home through a window. The lower the number, the less heat is let through. 
  • Visible Transmittance (VT): Measures how much sunlight is allowed through the window. The higher the rating, the more natural light that is let through.
  • Air leakage: Measures the volume of air that can infiltrate through a window. Lower ratings mean less leakage. 
  • Condensation resistance: Measures the window’s ability to prevent moisture on the interior of a window. Higher ratings mean better condensation resistance.

 The combination of these standards and the climate will play a role in determining ENERGY STAR® certification, a key marker in efficiency. Windows that are ENERGY STAR® certified are also required to be at least double-paned with inert gas between the panes to improve insulation. Vacuum insulating technology improves efficiency even further while providing an attractive, slim profile. In addition, ENERGY STAR® standards require that window materials enhance insulation, spacers reduce heat flow and condensation, and low-emissivity coatings improve heat reflection and UV protection.

AM311
ID: AM311

How to Pick Energy-Efficient Windows for Historic and Custom Homes

Energy-Efficient Window Choices for Historic Homes

It can feel like a challenge to find windows that match the historic details of the home while offering modern efficiency, but finding the right balance between the two is easier than you think. By matching everything from architecturally accurate shape and size to the intricacies of classical grille designs, muntins, casing depth and more, modern windows designed for historic homes can preserve traditional details while heightening everyday comfort and performance. Choosing windows like Kolbe’s Heritage Series allows you to combine features like traditional wood construction with protective coatings. These windows can also be designed to replicate characteristics like true divided lites for ultimate authenticity.

Preserving the accuracy and charm of historical homes takes meticulous attention to detail and architectural knowledge, plus the ability to infuse new window technologies into classic forms. If you’re looking for window solutions like this for any project, explore the blend of traditional aesthetics, premium craftsmanship and exceptional efficiency that Kolbe can provide.

Z800
ID: Z800
Energy-Efficient Window Options for Custom Homes

Designing a home from foundation to roof offers the unique opportunity for architects and homeowners to collaborate on choosing the optimized placement, sizing and glazing specifications of every single window. This allows for maximum natural light and energy efficiency without sacrificing any design or aesthetic choices. Custom homes also afford you the flexibility of choosing the perfect material for your windows, from more traditional wood to contemporary all-aluminum. You also have the option to pick a combination of glass and coatings that can reduce UV infiltration and improve thermal insulation--all of which are key when matching glass choice your climate. 

If you’re looking for custom window solutions that blend modern energy efficiency with limitless design opportunities, browse our various product lines. From wood to aluminum-clad, thermally-broken all-aluminum and even a proprietary composite option, Kolbe has what you need. 

V925
ID: V925

Bringing Timeless Design and Modern Performance Together

Stunning style and maximum efficiency--your home deserves windows that do it all. No matter if you’re revitalizing a historic home or building one that is completely unique, the right windows are crucial for meeting your goals. Be sure that everyone involved in the process understands the recommendations for the site and climate and find solutions that meet their expectations. 

With Kolbe, you don’t have to pick between design and performance needs. Our expansive options make it possible to find the perfect balance of style and efficiency to fit your home, no matter how old--or new--it is. And if you’re looking for inspiration, tools or a way to connect with a Kolbe dealer, we’re here to help bring your vision to life.

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