1800 84 90 84 info@windowstech.com.au

Retrofit double glazed windowS To Existing Windows

Retrofiting double glazed windows to existing windows enhances comfort, energy efficiency, and noise reduction, contributing to increased property value and market appeal

What is a Retrofit Double GlazED Window?

Retrofitting double glazed windows is an innovative solution for homeowners looking to enhance their property’s thermal efficiency and noise insulation without the need for complete window replacement. This process involves upgrading existing single-glazed windows to double glazed units, offering a cost-effective way to improve comfort and reduce energy costs. Talk to the Windows Tech team for our expert advise. 

David Lipschitz
David Lipschitz
Fantastic service installing my double glazed windows. Would recommend!
Micah Crossett
Micah Crossett
The double glazed window installation was perfect! Highly recommended
Alex Norup
Alex Norup
Highly recommended window service. Great company with good quality work.
Silvia Rosales
Silvia Rosales
I recently had a double window installed by Windows tech, and I couldn't be happier with the results. The installation process was smooth and professional, and now I can work in complete silence, free from any external noise!! Fantastic job and highly recommended :)
Kirill Zheludkov (K2 Heating & Cooling)
Kirill Zheludkov (K2 Heating & Cooling)
Amazing service!
Robert Wallace
Robert Wallace
Alex and the team at Windows Tech Double Glazing provided exceptional service and advice when we sought a quote for replacing our second-story windows. Despite circumstances preventing us from moving forward with the project, Alex's professionalism and expertise left a lasting impression. From the initial consultation to the detailed explanations of the options available, we were thoroughly impressed.
Andres Trujillo
Andres Trujillo
Great work done, fully recommended, attentive team, service and quality windows.
Sihara Yamile Gonzalez Gonzalez
Sihara Yamile Gonzalez Gonzalez
Exceptional service from start to finish! We recently had all the windows in our home replaced by Windows Tech, and we couldn't be happier. The team was professional, efficient, and the quality of their workmanship is outstanding. Highly recommend!
Viviana Montoya
Viviana Montoya
Very professional and friendly people. They delivered a really good job. My husband and I are very happy with the windows.
Juliana Restrepo
Juliana Restrepo
Couldn't be happier with my new windows The double glazing has made a huge difference. Professional service from start to finish. Highly recommend!

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Retrofit Double Glaze Window Installation

Why Choose Retrofit Double Glazing?

Energy Efficiency

Retrofit double glazed windows significantly reduce heat transfer, keeping your home warmer in winter and cooler in summer. This improvement in thermal efficiency can lead to substantial savings on energy bills.

Noise Reduction

For those living in noisy environments, retrofit double glazing can dramatically decrease external noise levels, creating a quieter, more peaceful home.

Cost-Effective Solution

Compared to full window replacements, retrofitting is a more affordable option that still delivers the key benefits of double glazing. It’s an ideal choice for preserving the character of your home while upgrading its performance.

Why Choose WindowsTech?

Smart Investment

Best price/quality ratio on the Australian market

Satisfaction Guarantee

Tailored service for every customer

Peace of Mind

Highest quality products with 10 years quarantee


Our Window & Door Technology

Multiple internal chambers to provide exceptional noise blocking characteristics.

Steel reinforcement of every sash and frame for structural integrity.

Tropical compound top quality uPVC profile which never discolours

Low-E toughened double glazing for exceptional thermal efficiency

Corrosion proof German hardware for seamless operation

Welded corners so every element of the window is time proof

Double EPDM rubber seal design for draft free environment

banner worker installing window

The Retrofitting Process

Retrofitting double glazing not only improves the functionality of your windows but also enhances the overall value of your property. Potential buyers are increasingly prioritizing energy efficiency and noise insulation, making homes with retrofit double glazing more appealing in the real estate market. Here is process in a nutshell:

    • Assessment: A professional assesses your existing windows to determine the best retrofitting approach.
    • Selection: Based on the assessment, you’ll choose the type of double glazing that suits your needs, considering factors like thermal insulation and noise reduction.
    • Installation: Expert installers will retrofit your existing windows with the new double glazed units, ensuring a seamless fit and minimal disruption.
    The retrofitting process


    Can all windows be retrofitted?

    Some windows can be retrofitted with double glazing, but a professional assessment is necessary to determine suitability. However usually it’s best to replace the entire window.

    How much does a retrofit double glazed window cost in Melbourne?

    The cost of retrofit double glazing in Melbourne depends on on several factors. Get in touch for an accurate quote. 

    Is retrofit double glazing worth the investment?

    Yes, the benefits of improved energy efficiency, noise reduction, and increased property value make retrofit double glazing a wise investment.

    How long does the installation take?

    The duration depends on the number of windows and the complexity of the job. However, most installations are completed within a day.

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