Our Range
Every TZO product is built for energy efficiency, durability, and design flexibility. Whether you’re upgrading a single door or building a certified Passive House, we offer tailored, high-performance systems to suit your needs.
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
Schedule a Free Consultation for Window and Door Replacement
Why Choose High-Performance Windows and Doors?
Standard windows leak energy. That means higher bills, uncomfortable rooms, and unwanted noise. High-performance windows and doors from TZO are engineered to solve those problems, permanently.
Key Benefits
Superior Insulation
Year-Round Comfort
Noise Reduction:
Lower Energy Bills:
Ready to upgrade your home?
Get a tailored quote for your project and discover the long-term comfort and savings of high-performance windows and doors.