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Energy bills are rising in Australia and homeowners are under more pressure than ever to find cost savings. The good news is that double glazing your existing windows stabilises your in-home temperature, rescuing the need to use the heater in winter and the aircon in summer.
The windows of your home can be a major contributor to heat loss and gain if your windows are single glazed. This also means that heating and cooling systems need to work harder to maintain a comfortable temperature inside the home.
Retrofitting your existing windows with double glazed glass is one of the most effective ways to reduce your energy bills long term. Here's why.
How Double Glazing Helps You Cut Household Bills
Reduced Heat Loss in Winter
Single panes of glass offer almost no resistance to heat transfer, letting warmth escape rapidly on cold Melbourne nights. Double glazing creates an insulating barrier using an argon-filled gap between two panes, reducing heat loss through your windows by up to 75%. Reliance on heating can be reduced and your home stays warmer for longer.
Blocks Solar Heat Gain in Summer
In summer,single-glazed windows allow solar heat into your home, putting extra strain on your air conditioner. Our LightBridge/Optitherm glass features a Low-E coating that reflects radiant heat before it enters the room, keeping your home cooler without relying on artificial cooling systems.
In summer, single-glazed windows allow solar heat into your home, putting extra strain on your air conditioner. Our LightBridge/Optitherm glass features a Low-E coating that reflects radiant heat before it enters the room, keeping your home cooler without relying on artificial cooling systems.
Cuts Heating and Cooling Energy Usage
Less heat lost in winter and less heat gained in summer means your heating and cooling systems simply need to do less work. Our clients consistently report energy usage reductions of up to 60% after retrofitting their existing windows, with many noticing the difference on their very first bill.
Stabilises Your Home's Temperaturee
Double glazing reduces temperature swings throughout the day, meaning your home doesn't need constant heating or cooling adjustments to stay comfortable. A more stable indoor temperature translates directly into less energy use, particularly with Melbourne's fluctuating temperatures
Delivers Savings Without Replacing Your Windows
Full window replacement can cost tens of thousands of dollars. Retrofit double glazing achieves the same energy efficiency by replacing only the glass within your existing timber frames, at a fraction of the cost. You get the benefit of bill savings without the expense or disruption of full window replacement.
What The Numbers Say
Heating & Cooling Usage Down 60%
For a typical Melbourne household, retrofit double glazing can reduce heating and cooling energy usage by up to 60%.
Savings of Approx $1,000 Per Year
With double glazed windows homeowners can save $1,000 or more per year depending on the size of your home and your household energy usage.
Lifetime Workmanship Warranty
By keeping the inner glass closer to room temperature, double glazing prevents moisture in warm indoor air from forming condensation on windows.
How Much Does it Cost to Double Glaze Windows?
Retrofit double glazing your existing windows can be up to 66% cheaper than window replacement. See our pricing guide for double glazed window costs or try our double glazing cost calculator to get an instant estimate for your project.Â
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