For Wellington new builds, Eco Windows provides BRANZ-appraised, high-performance uPVC that easily meets and exceeds the stringent New Zealand Building Code H1 requirements for this cold climate zone, ensuring superior long-term thermal performance.
Code Compliance and Superior Performance
BRANZ Appraised Confidence
Our products carry the BRANZ appraisal, giving architects and consent authorities across the region the assurance of verified performance data necessary for smooth specification and compliance.
Exceeding H1 Requirements in Cold Zones
Our multi-chambered, highly insulated profiles deliver R-Values that significantly surpass the latest H1 energy efficiency standards, providing the best possible thermal envelope for Wellington’s exposed conditions.
Streamlined Trade Support & Logistics
Technical and Specification Support
Our trade team offers full technical support, including precise measurements and wind-load specifications, ensuring perfect, seamless integration for your construction project.
Reliable, Timely Supply
We maintain a reliable supply chain to ensure accurate, custom-fabricated uPVC is delivered on time, keeping your construction schedule in the Capital running smoothly.
Long-Term Value and Quality Assurance
Security and Durability Features
Our uPVC joinery features steel reinforcement and multi-point locking, providing robust security and structural durability against high winds, minimizing future warranty concerns.
Enhanced Property Value
Specifying our high-R-Value uPVC ensures you deliver a quieter, warmer, and more resilient home that commands a premium and meets modern buyer expectations.






