New Zealand's leader in waterless composting toilets

Discover our huge range of domestic and commercial, rural and urban sustainable toilet solutions


WCTNZ is New Zealand’s leading supplier of environmental wastewater solutions.

We’re proud to stock the country’s largest range of fully-certified waterless composting toilets to suit any application and any budget. If you’re looking for a sustainable, effective and odourless solution for your number ones and twos, we can help you! Whether you’re building a tiny house, a high-rise, or anything in between, we’ve got an eco-toilet that’s right for you.

Signature Products

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Awesome Walks in the Waitakere Ranges needed bathroom facilities for their guests.

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The Old Ghost Road comes with a number of unique challenges and service requirements. One of the key challenges is to provide sustainable, effective and 'user-friendly' toilet facilities for visitors. We have long been believers in composting

We've got waterless composting toilets for every space

On the grid or off. From the city to the country. From tiny houses to office buildings. Tell us a bit about your place, and we’ll help you select a toilet system that’s just right.

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