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Choosing the right glass for your New Zealand home

February 19, 2019
  Tips Glass

As this scorching summer is proving, New Zealand’s climate can be challenging. You want to ensure your home is comfortable to live in all year round. Your windows add light, life and warmth but you’ll need to consider factors like lifestyle, climate, noise levels and where your windows are positioned when it comes to choosing the right glass.

Energy efficiency, safety, noise control, solar glare, heat retention and heat reduction are all aspect of concerns for those looking at glazing options for their renovation for new build. In this blog, we’ll share some of the specifications available when it comes to temperature control. Choosing the right glass will make sure your home is one you’ll love all year - come rain, wind or shine.

Double glazing

double glazingDouble glazing is made up of two glass panes with a sealed air space between them, creating an insulating layer between the two panes (triple glazing has three glass panes). This sealed air space can be filled with a layer of air or an insulating gas such as argon. Double or triple-glazed windows allows almost as much sunlight into your home as single-glazed windows, but they’re a much more effective way of holding in the heat.

According to the Energy Efficiency and Conservation Authority (EECA), double glazing can halve heat loss in your home and can reduce both condensation and external noise. On top of that, double glazing reduces glare and fading of furnishings by sunlight and increases security at your property.

If you're building a new home, your builder or architect will specify double-glazed windows as standard, to ensure your home complies with the New Zealand Building Code. However, if you are replacing/repairing windows in your existing home, then double glazing is still well worth considering.

If budget is an issue, Smarter Homes recommends you concentrate on south-facing windows initially as these get very little sun, so lose far more heat than they gain.

Tinted glass

The sun isn’t only bringing light and warmth into your home, it can also fade furnishings, carpets, curtains and artwork. Tinted glass decreases the amount of UV, visible light and heat that passes through your window, to reduce fading of your precious things. It’s made by adding metal oxides during manufacturing, reducing glare from outside and decreasing the amount of solar heat that reaches through the glass, therefore, it’s good for keeping the summer heat out. The type of glass treatment determines whether infrared light (radiant heat), visible light or ultraviolet light is filtered out – ultraviolet light causes fading.

  • Grey tints have low light transmission, reduce solar heat and glare.

  • Bronze tints reduce solar heat and glare and offer more visible light.

  • Green tints offer better solar performance and superior light transmission.

Fairview_Cashmere house (4)Low-emissivity (low-e) glass

Quality aluminium frames with insulated glazing can definitely help boost the energy-efficiency of your home. When they're combined with a high-performance glass solution, like low-e (low-emissivity), the benefits are even greater.

Low-e glass has an almost invisible coating contained on the inside pane of an insulated glass unit (IGU). This coating allows the sun’s light into your home and reflects heat back indoors, forming a shield against the cold which results in saving energy. In warmer climates, low-e glass can also be used to keep the heat out.

This glass cuts down heat loss through your windows by about 20-30% compared to double-glazed glass alone. You can take the efficiency a step further by combining low-e glass with an insulating gas like argon.

Love your view

The Window & Glass Association (WGANZ) and BRANZ have developed the Window Energy Efficiency Rating System (WEERS). This is a six-star tired rating on the energy efficiency of new residential windows and Fairview provides this instantly with every quote.

As part of the Fairview group of companies, Fairview Systems and Glass Relate offer total window solutions unmatched in the window and door industry. Our combined expertise delivers optimum solutions through our national manufacturer network.

If you’d like to find out more about the glass options we offer you can download our brochure or contact your local manufacture below.

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