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Why uPVC?

uPVC Window

uPVC Window Benefits

uPVC windows offer a wide range of benefits for your home, including:

  • Added value
  • Warmer
  • Drier
  • Quieter
  • Longer lasting
  • More Secure
  • Energy efficient
  • Maintenance free
  • Easy to install
  • Homestar certification

Learn more about the benefits of uPVC windows below.

Why Choose uPVC Windows and Doors?

Did you know that 98% of homes in Europe use uPVC double-glazing? It’s an impressive stat, but why is uPVC so popular? How does uPVC compare to aluminium and other joinery materials?

Quite simply, uPVC is the best material for making windows and doors and we are the leaders in providing that service to you. Here’s why Warm Windows’ performance is in a class of its own.

We won’t bog you down with technical jargon to explain why uPVC is the key to a warmer, dryer, more comfortable home. Explore the biggest uPVC window benefits below!

Added value to your home and return on investment

uPVC windows with double-glazing will increase the value of your property. What’s more, the money you save on lower energy bills will pay for your uPVC windows many times over, providing exceptional return on investment.
cat sleeping next to uPVC double glazed window

A Warmer Home

More than half of the heat loss suffered by a typical New Zealand house can come from single glazed windows. With quality uPVC double glazed windows, you can reduce the amount of heat lost through your windows to only 10%.

A Drier Home

Our high-quality German uPVC profile does not conduct heat or cold and an effective, built-in drainage system allows water to easily escape, protecting your home from the mould and moisture that results from condensation.

family enjoying peace and quiet next to uPVC window

A Quieter Home

uPVC double-glazing can reduce noise levels by 80% compared to single-glazing, turning your home into a comfortable and quiet place where you can truly enjoy life. Warm Windows also offers special, high-performance sound-reducing packages are also available for sound studios.

close up of upvc window materials

Longer Lasting Materials

uPVC is totally corrosion and UV resistant, so you can be sure your Warm Windows joinery will last for generations. Warm Windows is a risk-free product. Even our warranty reflects the highest standards in the industry.


Warm Windows uPVC hardware options incorporate an advanced Multi-Point Locking System and super spacer with double-glazing. Our uPVC joinery and double-glazing are also fully compatible with most electronic alarms available in New Zealand.
Outdoor view of uPVC double glazed windows

Industry-leading energy efficiency

By making the most of the available heat, Warm Windows uPVC joinery and double-glazing will make your home much more energy efficient, cutting your heat loss from 50% with single glazing to only 10%. Warm Windows also offers triple-glazing units with argon and Low-E gas for even greater savings.
Hand cleaning dirty window with spray bottle

Easy to Maintain

uPVC joinery requires very little maintenance. They never rot, warp, or swell, and are designed to stand up to the elements and life’s little bumps and scrapes. This durability can offer big savings in the long-term.
Two gloved hands installing new window

Easy to Install

The experienced uPVC double-glazing specialists at Warm Windows ensure a fast, high-quality, and painless installation, so you can enjoy the benefits of your new windows and doors straight away. With over 12 years’ experience manufacturing uPVC windows and doors and over 2,000 completed projects in industrial and residential areas, working with Warm Windows is a safe bet

Homestar Certification

uPVC double glazed windows and doors from Warm Windows count towards a higher Homestar certification for your home.

uPVC vs. Aluminium Windows

With our German uPVC profile, you can be confident that the windows and doors in your home enjoy the top performance on the market. Here’s how uPVC joinery compares to aluminum.

  • uPVC joinery is more thermally-efficient – No heat or cold can travel through the internal air chamber within the uPVC frame.
  • uPVC is more adaptable – uPVC joinery is available in multiple colours, making it a suitable choice for any style of home.
  • uPVC is quieter – Aluplast uPVC joinery can reduce the transmission of sound by up to 35db.
  • uPVC is a cost effective long-term option – uPVC is often slightly more expensive than aluminum, however the energy savings will pay for your investment and last longer.