New Zealand's leader in waterless composting toilets
Discover our huge range of domestic and commercial, rural and urban sustainable toilet solutions
ProductsWCTNZ 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.
For your home
Systems that are kind to your wallet and your environment
Whether you’re off the grid, on the move, or just want to be more sustainable, we’ve got a composting toilet that’ll do the job.
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Composting Toilets
Waterless systems that are ecologically sustainable, hygienic and odourless -
Tiny Home Toilets
Compact systems that don’t need a town wastewater connection -
Off the Grid / Solar
No-power and low-power waterless toilet solutions -
Portable Composting Toilets
Great for camping, sailing or cross-country RV adventures -
Home Grey Water Treatment
Save water by reusing the outflow from your washing machines and sinks
For your business
Wastewater solutions for businesses of all shapes and sizes
We’ve got commercially rated waterless composting toilet systems for every kind of business, from campgrounds to workshops to high-rise office buildings.
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Composting Toilets
The water-free, odour-free, sustainable solution for any business -
Water Free Urinals
Save water and money with these hygienic, odourless and low-maintenance urinals -
Grey Water Treatment
Everything you need to safely and sustainably recycle your business’s grey water -
Sustainable Public Toilet Buildings
Eco-friendly restrooms for our most precious natural spots -
Facilities Maintenance
We’ll help you keep your waterless systems in top working condition
Signature Products
Ecolet Range
Easy and economical modern composting toilets for all situations, including 100% automatic models for full-time family use. Fully certified to Australian and New Zealand standards.
Sun-Mar Range
Wet or dry underfloor composting toilet systems for greater holding capacity and reduced maintenance. Great for on and off the grid, and for multiple toilets.
New! Nature Loo Range
Designed and made in Australia, these popular high-quality, low-maintenance, affordable composting toilets and greywater systems are suitable for all types of homes and small workplaces.
Ecolet Range
Easy and economical modern composting toilets for all situations, including 100% automatic models for full-time family use. Fully certified to Australian and New Zealand standards.
Sun-Mar Range
Wet or dry underfloor composting toilet systems for greater holding capacity and reduced maintenance. Great for on and off the grid, and for multiple toilets.
New! Nature Loo Range
Designed and made in Australia, these popular high-quality, low-maintenance, affordable composting toilets and greywater systems are suitable for all types of homes and small workplaces.
Awesome Walks in the Waitakere Ranges needed bathroom facilities for their guests.
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.
Help me choose
