WCTNZ® | Waterless Composting Toilets NZ

New Zealand’s Leader in Waterless Composting Toilets & Greywater Systems

At WCTNZ®, we don’t just sell sustainable wastewater solutions — we design, manufacture, and specify them.

As a proudly New Zealand–owned and operated company, WCTNZ® leads the way in waterless composting toilet technology and greywater systems purpose–built for New Zealand’s unique conditions.

New Zealand–designed and manufactured products — and carefully specified international solutions, all tailored for Kiwi needs.

We proudly manufacture our signature Bambooloo® composting toilet in New Zealand, alongside a curated range of the world’s best waterless and greywater technologies — all chosen or developed to perform in local conditions.

Our products reflect over 17 years of hands–on expertise and a deep understanding of environmental stewardship, regulatory requirements, and the practical needs of Kiwi homes, businesses, and communities. From compact residential units to large–scale public installations, WCTNZ® solutions are trusted by councils, architects, and off–grid enthusiasts nationwide.

When you choose WCTNZ®, you’re choosing:

• New Zealand–designed and manufactured products where it counts
• Internationally–sourced systems selected to suit local needs
• Proven performance in real–world New Zealand settings
• Expertise from the country’s most experienced dry toilet and greywater specialists
• Ongoing innovation to meet tomorrow’s sustainability challenges

Whether you’re specifying a system for a home, bach, RV, park, or public facility, WCTNZ® products deliver unmatched quality, compliance, and support — all backed by our commitment to a cleaner, smarter future.

Look for the WCTNZ® name — it’s our mark of quality and innovation.

WCTNZ® | Waterless Composting Toilets NZ Limited | Copyright 2025 ©