How Effective is Double Glazing?

living room double glazed windows

Windows are your home’s connection with the outdoors. They can offer sweeping views of your garden or city’s skyline, but they also let in noise from outside, and hot (and cold) weather.

Double glazed windows are an excellent solution for controlling noise and temperature in a house, but how effective are they?

Well, if you read on, you’ll find out – and you might learn that they could be a great addition to your home.

What are double glazed windows and how do they work?

Double glazed windows are made up of two pieces of glass with a sealed gap of air or gas between them.

cozy living room in winter

Heat and temperature control with double glazing

This gap between the glass acts as insulation for both temperature and sound.

Temperatures can’t be easily transferred from one side of the window to the other, allowing you to have cool air on the inside and warm air on the outside (or vice versa).

This reduces temperature gain and loss by nearly 30% when compared to regular single-glazed windows.

It’s worth noting that with double glazed windows, any heat that gets into your home during the summer will stay there.

To further reduce the amount of heat getting in, it can be worth having window films or UV protective coatings applied to the window panes.

Energy conservation and efficiency

Double glazed window’s ability to control temperature, means you won’t have to suddenly ‘up’ your heating or air-conditioning to regulate the temperature of your home.

This will increase energy efficiency and studies have shown that up to 40% of heat energy is lost through your homes’ windows.

It’s worth noting that the Australian Window and Glass Association recently introduced a Window Energy Rating Scheme, to help select windows that are the most energy-efficient.

double glazed timber windows

Soundproofing

Double glazed windows are also effective at reducing noise pollution emanating from outside your home.

The gas or air trapped between the window panes significantly limits the transmission of high-to-mid range noise frequencies.

This means that the noise from your neighbours or the dog that’s always barking will be dampened by the windows.

Low-frequency noises, such as aeroplanes and traffic, can also be limited by increasing the gap between the two window panes; unfortunately, this will reduce the window’s ability to control the temperature.

A space of 100mm will give you the right balance of thermal insulation and low-frequency noise insulation.

Increased security with window glazing

Double glazed windows can also improve the security of your home. Most burglaries occur through windows, with a large portion of these being aided by faulty windows that are tampered with by intruders.

Double glazed windows can only be removed from your home’s interior, making them extremely difficult to be pried open by would-be thieves.

On top of this, many new double-glazed windows offer multiple points locking hardware, meaning that a simple turn of the lock will quickly and effectively secure your window in several positions.

mum and daughter looking out of glazed windows

Installation and Return on Investment

The effectiveness of your double glazed windows depends largely on the way they’re installed. The installation process needs to take window type, window frame, and climate conditions into account. 

While the initial cost of installing double glazed windows might seem prohibitive, the long-term benefits are substantial.

They will lead to significant savings thanks to the improved energy efficiency, which will lead to lower power bills, while also increasing the value of your home.

If you feel you’d like to make the most of all the benefits offered by double glazed windows, then Action Glass is more than happy to help.

Our friendly team can help you choose an affordable double glazed window design and arrange their installation at competitive prices. Action Glass is located in Perth, Western Australia and is a trusted service provider. 

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