High-performance windows and doors, made for how you live
TZO Windows and Doors designs and supplies high-performance window and door systems built for Australian homes. We combine German engineering, precision manufacturing, and expert local installation to deliver products that look refined, perform exceptionally, and last.
Our range goes beyond standard glazing. We offer advanced windows and doors, integrated blinds and shades, and enhanced security options that work together to improve comfort, efficiency, and peace of mind.
Every TZO product is custom made to your exact measurements and installed by our experienced in-house team. No off-the-shelf solutions. No compromises.
Why high-performance windows and doors matter
Windows and doors play a major role in how your home feels and performs every day. Poorly designed systems allow heat loss in winter, heat gain in summer, outside noise, and ongoing energy waste.
TZO high-performance systems are engineered to do the opposite.
Our windows and doors help:
Improve thermal insulation and indoor comfort
Reduce heating and cooling costs year-round
Minimise external noise
Increase security without sacrificing design
Enhance the long-term value of your home
The result is a quieter, more comfortable, and more energy-efficient living space, with less reliance on artificial heating and cooling.
External Doors
Aluminium, timber/alu, uPVC
Internal Doors
Modern, glazed, and custom styles
Accessories
Roller shutters, smart systems, handles
TZO Windows and Doors is the sister company of The Zimmermann Oz, a leading Passive House builder with over 16 years of experience in high-performance construction across Australia.
We understand exactly how windows and doors must perform within airtight, energy-efficient homes because we’ve built and lived in them ourselves. Every product we supply is custom-engineered to precisely fit your home and deliver comfort, security, and long-term value.
When you choose TZO, you’re working with professionals who understand the details for true building performance from airtightness to thermal bridging and long-term durability.
We offer:
Expertise you can trust
16 years in Passive House construction across Australia
Products that perform
Uw-values as low as 0.78 W/m²K for real-world efficiency
Precision German engineering
Designed and made in Germany, installed in Australia
Tailored to your home
Custom-fit solutions for renovations and new builds
Peace of mind
Comprehensive warranty protection
Get a tailored quote for your project and discover the long-term comfort and savings of high-performance windows and doors.