Double Glazed Windows Wollongong

At RJV Industries Windows, we offer Double Glazed Windows in Wollongong

Choose us
for our quality vinyl windows and doors in WOLLONGONG

Designed and manufactured in the USA

Energy efficient comfort

Lasting beauty and resilience

Manufactured with the latest technology

Locally owned and operated

Great local service and support

Benefits of Double Glazed Windows in Wollongong

  • THERMAL PROPERTIES
    Unlike aluminium, uPVC has very low heat transfer and provides a more consistent internal temperature for your home. uPVC window and door frames with double glazing is the perfect combination for energy efficiency.


  • ACOUSTIC INSULATION
    uPVC double glazed windows and doors are able to cut down noise from traffic, neighbours, animals and weather by as much as 70%.


  • DURABILITY AND LOW MAINTENANCE
    uPVC is fire and UV resistant, doesn’t need painting or sealing, won't rot or corrode in coastal environments and is easily cleaned with just water and detergent.


Using our double glazed vinyl windows and doors helps to reduce energy costs and environmental impact, reduce energy costs and environmental impact, whilst making the perfect attribute to your passive build.

Two white-framed sliding windows on a yellow house. Sheer curtains partially cover the window panes.
Sunroom interior with brick accent wall, skylights, and a table. Glass doors lead to a backyard.

How Double Glazed Windows Improve Air Quality in Wollongong Homes

Air quality is a growing concern for homeowners in Wollongong, where coastal conditions, urban pollutants and seasonal allergens can impact indoor environments. Many residents don't realise that upgrading their windows in Wollongong plays a crucial role in improving air quality inside their homes. Double glazed windows in Wollongong not only provide superior insulation but also act as a barrier against outdoor contaminants, reducing the infiltration of dust, pollen and harmful emissions.

Reducing Outdoor Pollutants and Allergens

Traditional single-pane windows often allow outdoor air to seep in, bringing pollutants with it. This is particularly concerning in Wollongong, where industrial emissions, bushfire smoke and high pollen counts can affect respiratory health. Double glazed windows create a tighter seal, significantly limiting the entry of the following irritants.


  • Dust and fine particles – Essential for homes near busy roads or industrial areas.
  • Pollen – A major trigger for allergy sufferers, especially in spring.
  • Smoke and airborne chemicals – Particularly useful during bushfire season.


With improved sealing and insulation, homeowners can maintain a cleaner and healthier indoor air environment, reducing respiratory issues and allergy symptoms.

Minimising Indoor Condensation and Mould Growth

Excessive moisture is a major contributor to poor air quality. When condensation builds up on windows in Wollongong, it creates the perfect environment for mould and mildew growth. Mould spores can cause respiratory irritation and worsen conditions like asthma.


Double glazing helps by regulating indoor temperatures and reducing the likelihood of condensation forming on window surfaces. As a result, homeowners experience:


  • Less mould and mildew buildup, especially in humid areas like kitchens and bathrooms.
  • Better humidity control, creating a drier and healthier indoor space.
  • Fewer musty odours, which are often associated with excess moisture.


By installing double glazed windows Wollongong residents adore, you can maintain a cleaner, fresher living space with minimal effort.

Enhancing Ventilation While Keeping Air Quality High

A common misconception is that double glazing reduces ventilation. However, designs for modern windows in Wollongong include advanced features like trickle vents and secure opening options, allowing fresh air to circulate without compromising insulation. This means homeowners can enjoy proper airflow while keeping pollutants at bay.

A Smarter Choice for Healthier Homes

Switching to double glazed windows Wollongong residents prefer is an investment in both energy efficiency and air quality. By blocking outdoor contaminants, preventing moisture buildup and improving ventilation, these windows help create a healthier, more comfortable home environment.


For homeowners looking to upgrade their windows in Wollongong, RJV Industries Windows Wollongong offers expert installation and high-quality double glazing solutions designed for the local climate. Whether you're looking to reduce allergens, improve energy efficiency or enhance your home’s overall comfort, double glazing is a smart choice for better living.

Real Reviews From Local Customers

Five star rating icon.

We selected RJV Industries Windows Nowra based on Randall and his laid back but confident manner. The product is great, the price reasonable and the team of installers, including Randall, were amazingly competent and accommodating. Highly recommend for windows in Nowra.

Emily Thompson

2 days ago

Woman with black hair and glasses smiling, wearing a black shirt, against a white background.
Five star rating icon.

Randall and his team are professional and friendly. We've used them twice for the double glazing of the windows of our home in Nowra and are very satisfied with the product and their work. Looking forward to calling them out again to complete our renovation project. Thanks RJV Industries Windows Nowra.

Jason Miller

5 days ago

Smiling man with glasses and a light blue shirt; blurred kitchen background.

What to Consider Before Installing Double Glazed Windows in Your Wollongong Home

Installing double glazed windows in Wollongong is an excellent way to improve the energy efficiency and comfort of your home, but before making this investment, it's important to consider a few key factors. These windows offer numerous benefits such as enhanced insulation, noise reduction and improved security, but the process of choosing the right windows and installation method requires careful thought. Here’s what to keep in mind before you proceed with double glazed windows for your property.

Your Home’s Insulation Needs

Double glazing is known for its ability to insulate your home by trapping a layer of air or gas between two panes of glass, which reduces heat transfer. However, before installing double glazed windows in Wollongong, it’s essential to assess your home’s current insulation. Homes with poor insulation may benefit significantly from double glazing, as it will help maintain a comfortable temperature inside. However, if your home already has a high level of insulation, double glazing might offer diminishing returns.

Types of Double Glazed Windows

Not all double glazed windows are the same. There are different types of glass, gas fillings and frame materials to choose from, each offering unique benefits. For example, low-emissivity (Low-E) glass has a coating that reflects heat back into your home during winter while keeping it out during summer. Argon or krypton gases used between the panes offer additional thermal efficiency compared to regular air.

Potential Costs

While double glazed windows provide long-term savings through energy efficiency, they come with a higher upfront cost compared to single-glazed windows. The price will depend on the materials, window size and the complexity of installation. Be sure to factor in both the initial investment and the long-term energy savings.

Two white-framed sliding windows on a yellow house. Sheer curtains partially cover the window panes.

DOUBLE GLAZED WINDOW FAQS FOR WOLLONGONG HOMEOWNERS

  • Does RJV Industries supply double glazed windows in Wollongong?

    Yes – RJV Industries services Wollongong and the wider Illawarra region with high-quality double glazed window solutions. Their products are ideal for both renovations and new builds, offering energy efficiency, noise reduction and long-term durability.

  • What makes RJV Industries a reliable choice for double glazed windows in Wollongong?

    Yes – RJV Industries services Wollongong and the wider Illawarra region with high-quality double glazed window solutions. Their products are ideal for both renovations and new builds, offering energy efficiency, noise reduction and long-term durability.

  • What makes RJV Industries a reliable choice for double glazed windows in Wollongong?

    RJV Industries is a trusted name in the Illawarra, offering locally tailored solutions, expert advice and premium window systems. Their double glazed windows are manufactured for Australian conditions, with professional installation available across Wollongong suburbs.

  • Where is RJV Industries based and do they deliver to Wollongong?

    RJV Industries is based in Nowra and frequently supplies and installs double glazed windows in Wollongong, Shellharbour, and the greater Illawarra region. Their local knowledge ensures you get the right product for your home’s orientation and conditions.

  • Are RJV’s double glazed windows energy efficient for Wollongong homes?

    Absolutely. Double glazing reduces heat transfer, helping you maintain a comfortable temperature indoors. RJV’s double glazed windows are ideal for Wollongong’s coastal climate—keeping the summer heat out and the winter warmth in.

  • Can double glazed windows from RJV help reduce condensation in Wollongong homes?

    Yes – double glazing helps reduce interior condensation, especially in cooler months. This protects your windows, walls and sills from moisture damage and mould, which is important in Wollongong’s variable coastal climate.

  • Do RJV’s double glazed windows reduce outside noise in Wollongong suburbs?

    Yes – RJV’s double glazed windows offer excellent sound insulation. Whether you live near a main road, train line or noisy neighbourhood, double glazing helps create a quieter, more peaceful home environment.

  • Are double glazed windows from RJV Industries suitable for coastal properties in Wollongong?

    Definitely. RJV supplies corrosion-resistant double glazed systems with UPVC frames—ideal for Wollongong homes exposed to sea air and salt spray.

  • How do RJV’s double glazed windows perform in high humidity areas like Wollongong?

    RJV’s windows are sealed to prevent moisture ingress and are built to resist humidity and salt exposure. They’re an ideal choice for long-term performance in Wollongong’s coastal conditions.

  • Does RJV Industries offer installation for double glazed windows in Wollongong?

    Yes – RJV provides expert installation services across Wollongong and the Illawarra. Their installers ensure a proper seal and compliance with Australian standards, giving you peace of mind from day one.

  • What frame materials are available for RJV’s double glazed windows in Wollongong?

    RJV offers UPVC frames— UPVC provides better insulation.

  • How easy is it to maintain RJV’s double glazed windows in Wollongong’s environment?

    Very easy. RJV’s windows are designed to be low-maintenance—no painting, sealing or sanding required. Just a simple clean every few months will keep them looking and performing their best.

  • What styles of double glazed windows does RJV offer for Wollongong homes?

    RJV offers a range of window styles including awning, casement, tilt-and-turn, sliding and fixed-pane windows. Their designs can be tailored to suit modern builds, coastal homes or heritage renovations.

  • Can I customise the colour of my double glazed window frames from RJV?

    Yes – RJV offers a selection of colours and finishes, including modern greys, classic whites, and timber-look laminates. You can match your windows to your home’s façade and personal style.

  • Do RJV’s double glazed windows suit heritage-style homes in Wollongong?

    Absolutely. With a variety of profiles and finishes, RJV’s windows can be tailored to maintain the character of older homes while adding the benefits of modern energy efficiency and performance.

  • How much do RJV’s double glazed windows cost in Wollongong?

    Pricing depends on the size, style and materials. RJV offers transparent pricing and no-obligation quotes tailored to your home and needs.

  • Can I get a free quote from RJV for double glazed windows in Wollongong?

    Yes – contact RJV Industries on 0457 431 660 to book your free in-home consultation. They’ll measure, assess and quote based on your requirements, budget and building type.

  • Are double glazed windows a worthwhile investment for Wollongong homeowners?

    Definitely. Double glazed windows improve comfort, reduce energy bills, increase property value and cut down on maintenance—making them a smart, long-term investment for any Wollongong home.

  • Is RJV Industries a trusted supplier of double glazed windows in the Illawarra?

    Yes – RJV has built a strong reputation across the South Coast for reliable service, high-quality windows and local knowledge. They're a go-to choice for homeowners, builders and renovators in Wollongong.

  • Can I see RJV’s double glazed windows before purchasing?

    Yes – RJV can bring sample products to your home or you can arrange a visit to view their range and ask questions about finishes, hardware, and frame options.