Understanding Energy Costs – U-values Explained

20 June 2024

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Conversations around energy costs and consumption are increasing, much like the cost of energy bills themselves. According to BUILD, Heating and cooling account for about 40% of the energy used in the average Australian home. Improving insulation and upgrading windows can significantly reduce these costs. 

That’s where we come in. 

Here at Ecovue, we’re committed to bringing the highest quality double glazed windows and doors to our customers in Sydney and surrounding areas. By retrofitting your windows and upgrading to double glazing, you will notice an immediate change to your home’s comfort – as well as a significant change in your energy usage and costs over time.

U-Values Explained 

Certified Energy helps us by explaining U-values – what they mean, and, most importantly, how they relate to saving you money. 

The U-value measures the rate of heat transfer through a building element. In Australia, U-values are calculated based on the Australian Standard AS/NZS 4859.1:2018, with lower U-values indicating better insulation.

In short, the lower the number, the better the performance. Homebuilding & Renovating lays this out as below, on average: 

Window StyleTypical U-value
Single Glazed5.8 W/m²K
Double Glazed1.8 to 3.0 W/m²K
Triple Glazed0.8 to 1.2 W/m²K​

It’s the jump from single glazing to double glazing that’s most noticeable – visually, emotionally and financially. Here at Ecovue, we’re all about making you feel more comfortable at home with your new windows and doors. 

bespoke Double Glazing Leura

Benefits of Choosing Ecovue's Energy-Efficient Windows and Doors

Reduced energy consumption: Our products are designed to minimize heat loss, keeping your home or business warm in winter and cool in summer. This means you'll rely less on heating and cooling systems, resulting in lower energy consumption and reduced energy costs.

Enhanced comfort: Our windows and doors are built to provide excellent thermal insulation, reducing drafts and cold spots. This helps maintain a comfortable indoor temperature year-round, ensuring a cosy living or working environment for you, your family, or your employees.

Noise reduction: In addition to energy efficiency, our double glazed windows and doors also offer excellent sound insulation. They can help reduce external noise, creating a quieter and more peaceful indoor environment.

Increased property value: Energy-efficient features, such as windows and doors with low U-values, are highly sought after in the real estate market. By investing in our products, you can increase the value of your property and attract potential buyers or tenants.

Upgrade Your Windows and Doors with Ecovue Today

Take the first step towards energy savings by upgrading your windows and doors with Ecovue. Use our free online quoting engine to get a customised quote for energy-efficient windows and doors that suit your needs. Start saving on energy costs and enjoy the benefits of improved energy efficiency, noise reduction and enhanced comfort.


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