Is double glazing worth it?

Is double glazing worth it

In South Africa, where our mainstream electricity supply is under increasing pressure and subject to costly tariff hikes, it makes good sense to seek alternative ways to secure energy saving in the home and workplace. Looking for various ways of saving on electricity is not only an economic necessity though; it makes good environmental sense too. Today we look at how double glazing can help you save on energy costs.

Look on the Bright Side with Energy Savings

Double glazing your windows is a sure fire way of reducing the energy consumption in your building or home. Double glazing will decrease your heating and cooling bill so saving your money and taking strain off the environment’s (almost) tapped out resources, making it a smart and responsible choice.

While the energy saving benefit afforded by installing double glazing is a powerful incentive in itself, the eco-friendly advantages should also convince building and homeowners to make the change. Thermal energy products like double glazing are guaranteed to save you on electricity costs as well as having a positive impact on the environment.

Be Cool

Replacing single glazed windows with double glazing will affect energy savings by keeping your building or home warmer in winter and cooler in summer. Double glazing can substantially reduce thermal loss from the inside and solar heat gain from the outside. Consider that a single glazed window can transfer up to 50% of heat from inside your building or home during winter and you realise the significant impact the type of windows you choose has on your heating bill. And in the hot summer months, the heat travels the other way, making your building uncomfortably warm. While the initial outlay may be pricey, in the long-term double glazing will mean less money spent on running energy greedy heaters and air conditioners.

What is Double Glazing?

As the name suggests, double glazing is manufactured from two panes of glass. The space between the two panes is filled with dehydrated air or a gas like Xenon or Argon. Once this air is trapped, it forms an insulating barrier that helps reduce the movement of cold or hot air through the window.  It is a simple yet highly cost-effective way of saving energy. Double glazing is a passive energy saving system that works to make life more affordable and comfortable for you, while reducing your carbon footprint. If you fit double glazed windows throughout your building or home, there may be no need for state-of-the-art air conditioners or heaters.

In addition, double glazing also provides less obvious benefits which will contribute to your comfort and peace of mind whether it is installed in your place of work or your home. It reduces noise pollution as external sounds are muffled, keeping your work spaces quieter and living areas peaceful. And the all-round rubber seals in the frames will keep draughts from flowing through your building or home, even in the windiest of areas.

If you go the whole hog and opt for safety or intruder-proof glass panes, your double glazed windows will form a barrier that is very difficult to break through. This makes double glazing an excellent security choice for your home or workplace. With the security, increased privacy and savings on electricity costs that double glazing affords, this thermal energy solution is a no-brainer for building or homeowners.

Plan for the Future

The debate about the future of our energy supply in South Africa is far from over, but you can prepare for the future by ensuring your buildings and homes are geared for energy saving. To realise the full benefits double glazing has to offer, it is strongly advised that you also install thermal insulation in your building or home. Proper insulation is another highly effective way to make your workplace or home more energy efficient by reducing thermal loss from the inside and solar heat gain from the outside. Without proper insulation your building or home will lose heat through the roof – up to 40% – and that is apart from the heat lost through the windows.

This is where an eco-friendly thermal insulation product like ISOTHERM can add big value to your home or building. If you’re looking to improve your energy saving profile with or without installing double glazing, why not consider ISOTHERM? ISOTHERM will keep your home cool in summer and warm in winter, even without going to the expense of changing all your windows to double-glazing. This all-green product is an excellent choice for insulating roofs, walls, geysers and hot water pipes helping you cut electricity costs. To find an installer and view our products call ISOTHERM today on 0860 103 627 or find out more on



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