Featured image for post: Why Your Home Needs an Alliance with Double Hung Windows

Why Your Home Needs an Alliance with Double Hung Windows

Why Alliance Double Hung Windows Are Worth Your Attention

Alliance double hung windows are a top-tier vinyl replacement window option available in two series — the premium Hawthorne and the value-focused Belmont — both built for durability, energy efficiency, and long-term performance.

Here’s a quick snapshot of what sets them apart:

Feature Hawthorne Series Belmont Series
Series tier Best Better (extreme value)
Color combinations 45 exterior/interior options Multiple standard options
Glass Innovative Low-E insulated Double-strength
Screen Clear-Vue full screen Heavy-duty ½ screen
Glass breakage warranty Lifetime Standard
Balance system ¾” coil balance ½” coil balance
Style choices Double hung + more 7 styles including single hung

Both series are backed by the Assurance Plus® Limited Lifetime Warranty — covering labor for 5 years and materials for a lifetime, transferable to a second owner for up to 20 years. Alliance products have been installed in over three million homes across the Northeast, New York, and Pennsylvania.

If you’re a Chicago-area homeowner trying to decide whether Alliance is the right fit for your next window replacement project, this guide walks you through everything — features, energy performance, customization, warranty, and real-world durability in the Midwest climate.

I’m Voytek Glab, owner of Perfect Windows & Siding, and with over 20 years of hands-on window installation experience across the Chicagoland area, I’ve seen how Alliance double hung windows hold up in everything from Park Ridge bungalows to Des Plaines two-flats. My goal here is to give you an honest, expert breakdown so you can make a confident decision.

Infographic showing key benefits of Alliance double hung windows: two operable sashes, Low-E glass, lifetime warranty, 45

Understanding Alliance Double Hung Windows and Available Series

When we talk about an “Alliance” in your home, we aren’t just using fancy marketing speak. The American Window Alliance (AWA) is a national network of independent regional fabricators. This means you get the power of a national brand with the attention to detail of regional manufacturing. For those of us in the Chicago area, this results in Windows that are specifically engineered to handle our “Windy City” gusts and sub-zero winters.

Hawthorne and Belmont window series side by side - alliance double hung windows

The core of their lineup consists of two primary replacement series: the Hawthorne and the Belmont. Both are crafted from 100% virgin vinyl. Unlike recycled plastic, virgin vinyl maintains its color, structural integrity, and glossy finish for decades. It won’t chip, peel, or rot, making it a superior choice for homeowners who want to “set it and forget it.”

If you are considering a full Window Replacement, understanding the nuances between these two series is the first step toward a successful project.

The Premium Hawthorne Series

The Hawthorne series is widely considered the “best” tier in the Alliance lineup. It is designed for the homeowner who refuses to compromise on aesthetics or performance. One of the most striking features of the Hawthorne is its versatility; it offers 45 different combinations of exterior and interior colors. This allows you to match a traditional wood-look interior with a bold, modern exterior.

Technically, the Hawthorne is a powerhouse. It features innovative Low-E insulated glass and double-strength glass as standard. It also includes the Clear-Vue full screen, which provides a much sharper view of the outdoors than standard mesh. Perhaps the biggest peace of mind comes from the lifetime glass breakage warranty—if a stray baseball finds its way through your window, Alliance has you covered.

The High-Value Belmont Series

For homeowners looking for an exceptional balance of performance and value, the Belmont series is the answer. It is often referred to as the “extreme value” line because it provides many of the high-end features found in premium windows at a more accessible entry point.

The Belmont series offers seven different style choices, including the popular Double Hung Windows and single-vent sliders. It utilizes a reliable ½” coil balance system for smooth operation and features multi-chambered frames that trap air to provide an extra layer of insulation against the Chicago cold.

Engineering Excellence: Features and Specifications

At Perfect Windows & Siding, we’ve installed thousands of windows in places like Morton Grove and Arlington Heights. We know that a window is only as good as its internal engineering. Alliance double hung windows are built with a focus on structural integrity.

Specification Hawthorne Belmont
Frame Construction Multi-chambered Vinyl Multi-chambered Vinyl
Corner Joinery Fusion-welded Fusion-welded
Weather-stripping Triple Polyfin-seal Double/Triple Seal
Balance System ¾” Stainless Steel Constant Force ½” Constant Force
Glass Thickness Double Strength Double Strength
Lead-Free Yes (100% Virgin Vinyl) Yes (100% Virgin Vinyl)

The use of multi-chamber frames is a game-changer. Think of these as small pockets of air inside the vinyl frame that act as a thermal barrier. Combined with fusion-welded sashes—where the corners are literally melted together to form a single solid piece—these windows are virtually air-tight.

For those who love the technical details, you can view the Scientific research on window performance data to see how these units stack up in terms of U-factor and Solar Heat Gain Coefficient (SHGC).

Energy Efficiency in Alliance Double Hung Windows

In Chicagoland, energy efficiency isn’t a luxury; it’s a necessity for survival (and for your heating bill). Alliance windows utilize Low-E (low-emissivity) coatings. This is a microscopic layer of silver applied to the glass that reflects heat back to its source. In the winter, it keeps your furnace’s heat inside. In the summer, it keeps the sun’s scorching rays out.

To further boost insulation, the space between the glass panes is filled with Argon gas, which is denser than air and significantly slows down heat transfer. This system is so effective that many Alliance configurations are Energy Star certified. Additionally, they use IGMAC-certified spacers to ensure the seal between the panes stays intact for the life of the window, preventing that annoying “foggy window” look caused by moisture infiltration. You can find more Alliance Window Systems official details regarding their specific glass packages on their technical resource pages.

Customizing Your Alliance Double Hung Windows

Your home in Wilmette or Hinsdale has a unique personality, and your windows should reflect that. Alliance offers a massive array of customization options.

  • Colors: Beyond standard white and almond, you can opt for laminate exterior colors that are scratch-resistant and won’t fade under UV exposure.
  • Woodgrains: Want the look of oak or cherry without the maintenance of real wood? Alliance offers interior woodgrain finishes that are remarkably realistic.
  • Grids: From traditional Colonial grids to elegant Prairie patterns and even Diamond designs, you can customize the “lite” pattern to match your home’s architecture.

Whether you are doing a Window Installation in a historic bungalow or a contemporary new build, these options ensure the window complements your home’s curb appeal.

The Assurance Plus Limited Lifetime Warranty

One of the reasons we at Perfect Windows & Siding stand behind Alliance double hung windows is the Assurance Plus® Limited Lifetime Warranty. In the window industry, warranties can often be filled with “fine print” that makes them useless when you actually need them. Alliance takes a different approach.

The warranty covers:

  1. Manufacturing Defects: Protection against any errors in the fabrication process.
  2. Component Failure: Covers locks, balances, and hardware.
  3. Labor: Includes 5 years of labor coverage, which is rare in the industry.
  4. Materials: Lifetime coverage for the original homeowner.
  5. Transferability: If you sell your home in Glenview or Northbrook, the warranty is transferable to the second owner for up to 20 years.

This level of protection is a testament to the fact that these products have been successfully installed in over three million homes. For a deeper look at how warranties impact your long-term investment, check out our Window replacement complete guide 2025.

Frequently Asked Questions

How do I clean Alliance double hung windows?

One of the best features of a double hung design is the tilt-in sash. You no longer need to climb a dangerous ladder to clean the outside of your second-story windows in Naperville or Skokie. Both the top and bottom sashes tilt inward, allowing you to clean both sides of the glass from the safety and comfort of your living room. A simple mixture of vinegar and water or a standard glass cleaner is all you need to keep the virgin vinyl frames and high-performance glass looking brand new.

Are these windows suitable for the Chicago climate?

Absolutely. In fact, they were practically made for it. The combination of multi-chambered frames, triple weather-stripping, and fusion-welded corners provides excellent wind resistance. Whether you live in a wind-swept area near the lake or in the open suburbs of Schaumburg, these windows are designed to stay rattle-free and draft-free. The thermal performance ensures that even when it’s -10°F in Des Plaines or Park Ridge, the interior surface of your window remains relatively warm to the touch.

What makes vinyl windows a better investment than wood?

While wood windows have a classic look, they are high-maintenance. In the humid Chicago summers and snowy winters, wood can rot, warp, and require frequent painting or staining. Alliance double hung windows made of vinyl offer the “look” of wood with none of the chores. They provide superior energy savings because vinyl is a natural insulator, and the multi-chambered design outperforms solid wood in thermal testing. Plus, with the lifetime warranty, your investment is protected in a way that most wood window manufacturers can’t match. For more on this comparison, see our guide on Single Hung vs Double Hung Windows: What’s the Difference?

Conclusion

Choosing the right windows is about more than just picking a style; it’s about forming an “alliance” with a product that will protect your home and family for decades. Alliance double hung windows offer the perfect blend of high-tech engineering, aesthetic flexibility, and an industry-leading warranty.

At Perfect Windows & Siding, we take pride in being a local, family-owned business serving the entire Chicagoland area—from the North Shore to the Western Suburbs. With over 20 years of experience, we are licensed, insured, and dedicated to providing the personalized service you deserve. We don’t just install windows; we provide long-term home value and peace of mind.

Ready to see the Alliance difference for yourself? Whether you are in Elk Grove Village, Mount Prospect, or right in the heart of Chicago, we are here to help.

Schedule your consultation for Alliance double hung windows today and let our experts help you choose the perfect series for your home. Get a free estimate and take the first step toward a more comfortable, beautiful, and energy-efficient home.