Uncover the top reasons Double Glazed Windows are great in Melbourne

As I’m sure you already know Melbourne’s climate is unique to say the least.

Our weather is characterised by hot summers and chilly winters, and at many times of year we experience four seasons in one day. This poses unique challenges for homeowners hoping to maintain a comfortable indoor temperature while keeping energy costs in check.

Thus, investing in energy-efficient solutions has become a top priority of many home owners. It’s not only good for the wallet but these choices are good for the environment; as sustainability and global warming become more important to many of us.

Double glazed windows have become a top choice for most owners of older homes in Melbourne, because of their instant impact and large effect on heating and cooling costs. Double glazing is also great for reducing the noise of nearby roads, barking dogs or noisy neighbours.

Although we are experts in the repair and upgrading of old timber, wooden and sash windows in Melbourne (including double glazing and draught & acoustic seals) we can help you uncover the top reasons why double glazing is a great choice for any home in Melbourne.

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Whilst we only repair and double glaze old wooden, timber and sash windows; we are double glazing experts who can help with your decision making when getting a quote for double glazed windows.

The top reasons for investing in double glazed windows in Melbourne

Thermal Insulation

Melbourne’s temperature variations demand effective insulation to keep homes comfortable year-round. Double glazed windows feature two panes of glass separated by a spacer, creating an insulating layer of air or inserted gas like argon. This can also be a vacuum between the two sheets of glass, which has been an amazing new development in glass technology in recent years – you can learn more here.

The gap between the two sheets of glass significantly reduces heat transfer through the glass itself, keeping interiors warmer in winter and cooler in summer. By minimising reliance on heating and cooling systems, double glazed windows contribute to lower energy consumption and reduced utility bills.

Minimised Heat Loss and Gain

Traditional single-pane windows offer minimal insulation, allowing heat to escape during winter and allow heat to penetrate interiors in summer. You probably already know this if you have rattly old sash windows!

We can help by installing new draught and acoustic seals to your old timber, wooden or sash windows.

In contrast, double glazed windows with void between the glass and low-E coatings act as barriers against heat transfer. Our access to vacuum insulated glazing by Panasonic produces even better results that have been proven to be better than triple glazing.

The double glazing void (or vacuum) enhances insulation properties, while low-E coatings on the glass itself, reflect radiant heat, keeping interiors at a comfortable temperature regardless of external weather conditions. This results in more stable indoor temperatures and reduced reliance on heating and cooling appliances, leading to substantial energy savings over time.

Year-Round Comfort

Melbourne residents are no strangers to fluctuating weather patterns, experiencing both extreme heatwaves and cold snaps throughout the year. Double glazed windows provide consistent thermal comfort by minimising temperature fluctuations inside the home.

Whether it’s blocking out the scorching summer sun or retaining warmth during chilly winter nights, these windows create a more pleasant living environment, enhancing comfort for occupants throughout the seasons.

Condensation Reduction

In Melbourne’s sometimes wet climate, condensation buildup on windows is a common issue, especially during colder months. Condensation is not only annoying with the potential to create mould but also indicates heat loss from the entry of outside are, and potential moisture damage to window frames and surrounding walls.

Double glazed windows help mitigate condensation by maintaining warmer internal glass temperatures, reducing the likelihood of moisture buildup. This not only enhances visibility and aesthetic appeal but also preserves the structural integrity of your home be ensuring moisture is kept outside.

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Our vacuum insulated double glazing can eliminate condensation in your home.

Environmental Sustainability

As awareness of environmental issues grows, more homeowners in Melbourne are seeking sustainable building solutions. Double glazed windows align with this ethos by primarily reducing energy consumption and greenhouse gas emissions associated with heating and cooling.

By investing in energy-efficient features like double glazing, homeowners can minimise their carbon footprint and contribute to a greener, more sustainable future for Melbourne and beyond.

Secondly, repairing your old wooden, timber and sash window is another aspect of this sustainability ethos.

Repairing and up-cycling your old windows (instead of removing them and replacing them with modern aluminium double glazing or UPVC double glazed windows) will significantly reduce the environmental footprint of this process and save additional waste going to landfill.

We can double glaze your old timber, wooden and sash windows making them better than new, and up cycling your old window.

Property Value Enhancement

Beyond energy efficiency benefits, double glazed windows can also enhance the value of your Melbourne property. Potential buyers are increasingly prioritising energy-efficient features when searching for homes, recognising the long-term cost savings and comfort advantages they offer.

Installing double glazed windows not only improves the comfort of your home but also boosts its market appeal and resale value.

You’ll also find that preserving the heritage windows of your old home will hold more value than replacing them.

We’ve found that real estate agents will actually mention that “this home has been Sealasashed” demonstrating the additional value of repairing and upgrading your old timber, wooden and sash windows.


We are double glazing experts in Melbourne, Victoria

With 150+ verified reviews and over 20,000 windows upgraded to date we are experts in the repair and double glazing of old wooden, timber and sash windows.

  • For double glazed windows in St Kilda, Melbourne
  • For double glazed windows in Malvern, Melbourne
  • For double glazed windows in Prahran, Melbourne
  • For double glazed windows in Brighton, Melbourne
  • For double glazed windows in Caufield, Melbourne
  • For double glazed windows in Hawthorn, Melbourne

Has this helped your decision to get a quote for double glazed windows in Melbourne?

Double glazed windows are indispensable for enhancing energy efficiency in Melbourne homes, offering superior thermal insulation, minimised heat loss and gain, year-round comfort, condensation reduction, environmental sustainability, and increased property value.

By investing in double glazing, homeowners can enjoy a more comfortable living environment, lower energy bills, and also reduced environmental impact which is great peace of mind.

With Melbourne’s climate presenting diverse challenges and the effect of global warming more and more noticeable, double glazed windows stand as a reliable solution for improving energy efficiency and ensuring lasting comfort in every season whilst keeping your reducing your power bills.

If you would like to talk to a timber window expert who understands all your options, and who will listen to your priorities, then please don’t hesitate to contact us.

Looking for double glazing for your sash windows or wooden windows?

Sealasash can double glaze your old timber, wooden and sash windows with new high-performance glass.  We also upgrade windows to include draught and acoustic seals that further improve the comfort and energy efficiency of your windows. 

Learn more about Sealasash:

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Vacuum Insulated Double Glazing

Our ultra-high performance double glazing fits perfectly within your existing timber work, eliminating any bulky or expensive modifications.

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Fix Those Annoying Rattles

With our draught and acoustic seals you’ll achieve amazing new comfort levels by reducing infiltration of outside air, noise and dust without the annoying rattles.

Related posts

Using traditional craftsmanship and modern materials, we’ll restore your windows and make them better than new.  This includes high-performance double glazing and draught seals that will dramatically improve the comfort and energy efficiency of old timber, wooden and sash windows.