Blog

Waterless composting toilets have a recognised place within New Zealand’s on-site wastewater standards framework alongside septic tanks and AWTS. Here is why that matters.

What does an off-grid toilet really cost? WCTNZ® looks beyond purchase price to water, energy, fuel, consumables, servicing, installation and long-term ownership.

For some off-grid sites, avoiding LPG, combustion and high-temperature waste treatment is a practical design goal. WCTNZ® explains where composting can fit.

Cold weather does not automatically rule out composting toilets. WCTNZ® explains what changes in winter and why capacity, moisture and ventilation matter more. Composting Toilets 101, Off-Grid Living Solutions, Choosing a Composting Toilet

Composting and incinerating toilets are both waterless, but they solve waste very differently. WCTNZ® explains why composting is usually the stronger long-term option.

Planning greywater for a tiny home in New Zealand? This guide explains what usually matters most and what often shapes the likely system direction.

Some greywater projects stay relatively simple, while others need a more controlled response. This guide explains what usually changes the pathway.

What changes a greywater project from diversion toward treatment? Learn how wastewater source, site conditions, and intended outcome affect the decision.

A composting toilet changes the toilet-waste stream, but it does not remove the need to manage greywater properly. This guide explains how the two work together.

Kitchen wastewater is still greywater, but it is often a heavier and more demanding source. This guide explains what that means for system planning.