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How Much Do Double-Glazed Windows Cost?

Windows and Doors Blog

Double-glazed, or double-paned, windows are a modern, energy-efficient option for homeowners looking to improve insulation, reduce energy bills, and enhance home comfort. These windows consist of two glass panes separated by a space filled with air or gas, creating a barrier that reduces heat transfer. They come in a variety of styles and materials, making them a versatile choice for both new constructions and window replacements.

But how much do double-glazed windows cost? Let’s take a closer look at the factors that influence their pricing and what you can expect when budgeting for window replacement.

Why Choose Double-Glazed Windows?

Before diving into costs, it’s important to understand why double-glazed windows are a preferred choice for many homeowners:

  • Energy Efficiency: Double-glazed windows help maintain indoor temperatures, reducing heating and cooling costs year-round.
  • Noise Reduction: The additional pane of glass and insulating layer help reduce outdoor noise, making homes quieter.
  • Enhanced Security: Double-paned windows are harder to break than single-pane windows, improving home security.
  • Condensation Control: The insulating layer minimizes condensation build-up, reducing moisture-related issues.
  • Increased Home Value: Installing energy-efficient windows can boost the resale value of a home.

Now that we understand the benefits, let’s explore the cost factors.

Factors Affecting the Cost of Double-Glazed Windows

1. Window Size & Style

The size and style of your windows play a significant role in determining costs. As a general rule, larger windows cost more due to the additional materials and labor required. Here are some common styles of double-glazed windows and how they impact pricing:

  • Casement Windows: Hinged at the side and open outward. Typically more expensive due to their locking mechanisms and seals.
  • Awning Windows: Hinged at the top and open outward. Similar in cost to casement windows.
  • Sliding Windows (Single & Double): More affordable due to their simpler design but may have lower energy efficiency compared to casement or awning windows.
  • Hung Windows (Single & Double): A mid-range option where one or both sashes move vertically.
  • End Vent Windows: Larger windows designed with sliding sashes on both ends and a fixed center panel.
  • Bay & Bow Windows: Expensive but add architectural beauty and extra space.
  • Fixed & Picture Windows: Typically the most affordable since they do not open, making them highly energy-efficient.

2. Installation Method: Retrofit vs. Full-Frame

The way your double-glazed windows are installed can greatly affect pricing:

  • Retrofit Installation: Uses the existing frame, making it a more cost-effective option.
  • Full-Frame Installation: Involves removing the entire existing window and installing a brand-new frame. This option is more expensive but necessary if the existing frame has damage such as rot or mold.

3. Glass Type and Additional Features

  • Low-E Coating: A special coating that improves energy efficiency by reflecting heat.
  • Argon or Krypton Gas Fill: Enhances insulation by reducing heat transfer between panes.
  • Triple Glazing: Some homeowners opt for triple glazing for even better insulation and noise reduction, but it is more expensive.
  • Tinted or Laminated Glass: Helps with privacy and UV protection.
  • Soundproofing: Special glass options are available to reduce noise levels further, ideal for homes near busy streets or airports.

4. Number of Windows Being Replaced

Many contractors offer discounts for bulk window replacements. Replacing multiple windows at once can result in cost savings compared to installing them one at a time.

Prices for double-glazed windows vary widely depending on the factors mentioned above. Here’s a general breakdown of what you might expect to pay:

How Much Do Double-Glazed Windows Cost in Calgary?

  • Small Vinyl Window (e.g., bathroom window): $300 – $600 per window
  • Medium-Sized Window (e.g., bedroom window): $500 – $1,200 per window
  • Large Window (e.g., living room picture window): $1,000 – $3,000 per window
  • Bay or Bow Window: $2,500 – $7,500 per window

Installation Costs:

  • Retrofit installation: $150 – $300 per window
  • Full-frame installation: $250 – $600 per window

Keep in mind that customizations, special features, and premium materials can increase these prices significantly.

How to Get an Accurate Quote for Your Windows

The best way to determine the exact cost of double-glazed windows for your home is to get a professional quote. Most window companies in Calgary offer free consultations and estimates. Here are a few things to consider when requesting a quote:

  • Ask about material and style options
  • Inquire about warranties and after-sales support
  • Check for financing options if needed
  • Look for government rebates or incentives for energy-efficient upgrades

Maximizing Savings on Double-Glazed Windows

If you’re looking to save money on your window replacement project, consider these tips:

  • Plan Off-Season Installation: Spring and summer are peak seasons for window replacements. Scheduling your installation in fall or winter may get you better pricing.
  • Look for Rebates: Government programs often offer rebates for energy-efficient home upgrades.
  • Consider Bulk Replacement: Replacing multiple windows at once can help reduce the cost per unit.
  • Compare Multiple Quotes: Get quotes from at least three window companies to ensure you’re getting the best deal.

Get High-Quality Double-Glazed Windows

Upgrading to double-glazed windows is a great investment that enhances energy efficiency, comfort, and home value. The cost of double-glazed windows varies based on size, material, style, and installation method, but getting a professional quote will help you determine the exact price for your needs.

For high-quality, energy-efficient double-glazed windows at factory-direct pricing, contact Window Seal West. Our team provides expert installation services throughout Calgary, Edmonton, and Red Deer.

Get a free quote today! Call us at 1 (877) 818-4211 or email [email protected].

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