Double Glazed Windows Guide

Double glazed windows have become the default choice for homes in recent years, and for good reason. These innovative window solutions offer a range of benefits that can significantly improve your home’s comfort, energy efficiency, and total value overall. In this comprehensive guide, we’ll explore what double glazed windows are, how they work, and why they might be the perfect choice for your home, especially if you’re living in Melbourne.

Throughout this article, you’ll discover the key differences between single and double glazed windows, understand the engineering behind double glazing, and learn about the numerous advantages these windows offer. We’ll explain what uPVC double glazed windows are and why uPVC is the perfect material for encasing double glazing! We’ll also discuss some potential drawbacks and provide insights into the installation process. By the end of this guide, you’ll have all the information you need to make an informed decision about whether double glazed windows are the right choice for your home.

What Are Double Glazed Windows?

Double glazed windows, sometimes also known as double paned windows, consist of two panes of glass separated by a layer of air or gas. Through layering these windows create an insulating barrier that significantly improves their thermal and sound-proofing properties. The space between the panes is typically filled with air or an inert gas like argon, which further enhances the window’s insulating capabilities.

One of the most common materials used in double glazed window frames is uPVC (unplasticized polyvinyl chloride). uPVC is popular due to its durability, low maintenance requirements, and excellent insulating properties. For these reasons and more, uPVC is our choice of material at Vue Windows, ensuring the insulating and durable properties of double glazed windows are fully realised in the best material to frame them.  

Single Glazed Windows vs Double Glazed Windows

The main difference between single glazed and double glazed windows lies in their construction. Single glazed windows consist of a single pane of glass, while double glazed windows have two panes separated by a layer of air or gas.

This difference in design leads to significant performance variations:

1. Insulation: Double glazed windows provide far superior insulation compared to single glazed windows. The air or gas layer between the panes acts as a barrier, reducing heat transfer.

2. Energy efficiency: Due to their better insulation, double glazed windows are more energy-efficient, helping to keep your home cooler in summer and warmer in winter.

3. Noise reduction: The extra layer in double glazed windows also helps to reduce outside noise, creating a quieter indoor environment.

4. Condensation resistance: Double glazed windows are less prone to condensation, as the inner pane remains closer to room temperature.

5. Security: The additional pane of glass in double glazed windows makes them more difficult to break, enhancing home security.

How Do Double Glazed Windows Work?

The effectiveness of double glazed windows lies in their clever design. Here’s how they work:

1. Insulation: The layer of air or gas between the two panes of glass acts as an insulator. This layer slows down heat transfer between the inside and outside of your home, keeping your interior comfortable regardless of the external temperature.

2. Thermal break: The spacer between the two panes of glass creates a thermal break, further reducing heat transfer. This spacer is often made of materials with low thermal conductivity, such as structural foam or silicone.

3. Gas fill: Many double glazed windows use argon or krypton gas between the panes instead of air. These gases are denser than air and provide even better insulation.

4. Low-E coating: Some double glazed windows feature a low-emissivity (Low-E) coating on one or both panes. This microscopically thin layer of metal oxide reflects heat back into the room during winter and reflects solar heat away during summer, further improving energy efficiency.

By combining these elements, double glazed windows significantly improve insulation and energy efficiency compared to single glazed alternatives.

Are Double Glazed Windows Worth It?

Cost vs Benefit Analysis

While double glazed windows typically have a higher upfront cost compared to single glazed windows, they often prove to be a worthwhile investment in the long run. The energy savings accrued over time can offset the initial expense. Additionally, the improved comfort, noise reduction, and potential increase in property value add to the overall benefits, making double glazed windows a cost-effective choice for many homeowners.

Longevity and Maintenance

Double glazed windows are known for their durability and low maintenance requirements. With proper care, these windows can last 20-25 years or even longer. They require minimal upkeep beyond regular cleaning, which contributes to their long-term cost-effectiveness.

Property Value

Installing double glazed windows can increase your property’s value. Potential buyers often view energy-efficient features favourably, and the improved aesthetics and functionality of these windows can make your property more attractive in the real estate market. In recent years, double glazed windows have begun to be the expected window type in new or renovated homes, and their benefits really do speak to the quality of a home. Investing in these energy efficient and durable windows will be a worthwhile investment in the future of your home and its value

Double Glazed Windows Benefits

Climate Suitability

Double glazed windows are particularly well-suited to Melbourne’s variable climate. They help maintain a comfortable indoor temperature year-round, keeping your home cool during hot summers and warm during chilly winters. This adaptability makes them an excellent choice for Melbourne homeowners looking to enhance their home’s comfort and energy efficiency.

Energy Savings

One of the most significant benefits of double glazed windows is the potential for substantial energy savings. By providing better insulation, these windows reduce the workload on your heating and cooling systems. This increased efficiency can lead to noticeable reductions in your energy bills, especially in areas with extreme temperatures.

Environmental Impact

By improving your home’s energy efficiency, double glazed windows help reduce your carbon footprint. Less energy consumption means fewer greenhouse gas emissions, making these windows an environmentally friendly choice for eco-conscious homeowners.

Noise Reduction

Double glazed windows act as an effective sound barrier, significantly reducing external noise through their effective insulation. This feature is particularly beneficial for homes in busy urban areas or near high-traffic zones. The extra layer of glass and the insulating air or gas between the panes absorb sound waves, creating a quieter and more peaceful indoor environment.

Increased Security

Double glazed windows offer enhanced security compared to their single glazed counterparts. The additional pane of glass makes these windows more difficult to break, providing an extra layer of protection against potential intruders. Many double glazed windows also come with advanced locking systems, further improving your home’s security.

Disadvantages of Double Glazed Windows

Initial Cost

The primary drawback of double glazed windows is their higher upfront cost compared to single glazed options. This initial investment can be significant, especially when replacing all windows in a home. However, it’s important to consider this cost in the context of long-term energy savings and increased property value. 

Repair and Replacement

While double glazed windows are durable, they can be more complex and expensive to repair if damaged. If the seal between the panes fails, allowing moisture or condensation between the glass, the entire unit may need to be replaced. This can be more costly than replacing a single pane of glass in a traditional window. For this reason, it is essential to choose a supplier and installer that has good experience with double glazing with proven good customer service. 

Window replacement need not be a painful experience, explore our window replacement service page for more information if you have a faulty or broken window in your home. 

Limited Styles

One important consideration to make when choosing double glazed windows is whether you can find the style and type of window that you want for your project. Although the range of styles for double glazed windows has expanded significantly in recent years, there may still be some limitations compared to single glazed options. At Vue Windows, we offer an expansive range of window and door styles using double glazing, fulfilling your home improvement dreams. 

Installing Double Glazed Windows

Installing double glazed windows is a job best left to professionals, and with 30 years of experience in the industry we know what you should expect from the process:

1. Assessment: A professional will assess your current windows and measure for the new installations.

2. Removal: Old windows are carefully removed to minimise damage to surrounding structures.

3. Preparation: The window openings are prepared, ensuring they’re clean, level, and properly sized.

4. Installation: The new double glazed windows are fitted into place, ensuring a tight, weatherproof seal.

5. Finishing: Any gaps are sealed, and trim is applied for a polished look.

The installation process typically takes 1-2 days for an average-sized home, depending on the number of windows being replaced. While there may be some noise and disruption during installation, professional installers will work to minimise this as much as possible.

Preparing for Double Glazing Installation

– Clear the areas around your windows, both inside and outside.

– Remove window treatments like curtains or blinds.

– Ensure clear access to all windows for the installation team.

– Cover furniture and floors near the windows to protect from dust.

Are Double Glazed Windows for You?

Double glazed windows offer a multitude of benefits that make them an excellent choice for many homeowners, particularly those in Melbourne. From improved energy efficiency and significant noise reduction to enhanced security and increased property value, these windows provide a range of advantages that often outweigh their initial cost.

Their ability to maintain a comfortable indoor temperature regardless of external conditions makes them particularly well-suited to Melbourne’s variable climate. The potential for long-term energy savings is also a compelling reason to consider this upgrade for your home.

While there are some disadvantages to consider, such as higher upfront costs and potential repair complexities, the overall benefits of double glazed windows make them a worthwhile investment for many homeowners.

If you’re considering upgrading your windows, we encourage you to get in touch with Vue Windows for expert advice and professional double glazed windows installation services. With our combined years experience and high-quality products, you can ensure that your investment will provide comfort, efficiency, and value for years to come.r expert advice and professional double glazed windows installation services. With our combined years experience and high-quality products, you can ensure that your investment will provide comfort, efficiency, and value for years to come.