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Knowledge Hub

Guides for life off-grid.

Explore practical guides, field notes, regulations, ownership resources, and ideas for living more independently on the road or beyond the grid.

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Research

The Science

Science-backed explainers, field data, and practical context for off-grid systems.

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 Compliance

Regulations

Permits, standards, requirements, and practical regulatory guidance.

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 Field notes

The Field

Stories, deployments, operator notes, and lessons from real-world use.

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 How-to

Owner's Manual

Setup, care, maintenance, troubleshooting, and ownership guidance.

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 Lifestyle

Virro for Life

Ideas and resources for homes, cabins, vehicles, travel, and off-grid living.

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 Systems

Closing the Loop

Resource loops, practical reuse, and the bigger picture behind resilient living.

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Top picks

The Science

Science-backed explainers, field data, and practical context for off-grid systems.

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Composting Toilet Odor Control: How It Actually Works
The Science

Composting Toilet Odor Control: How It Actually Works

Odor control in a composting toilet is an outcome of good design and consistent habits — not products that cover up a problem after it forms. Sou...

10 min read
Why Separation Matters: Liquids, Solids, and a Cleaner System
The Science

Why Separation Matters: Liquids, Solids, and a Cleaner System

Every element of the Renew is designed around this logic. The bowl shape keeps liquids and solids separated (even when men urinate standing up). T...

9 min read
How Does a Composting Toilet Work?
The Science

How Does a Composting Toilet Work?

A composting toilet works because it respects a simple biological truth: with the right conditions, nature breaks down organic matter on its own. ...

6 min read
Top picks

Regulations

Permits, standards, requirements, and practical regulatory guidance.

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Urine, Solids: Why the Rules Treat Waste Streams Differently
Regulations

Urine, Solids: Why the Rules Treat Waste Streams Differently

The practical takeaway is straightforward: plan both streams from the beginning. Know what your jurisdiction requires for graywater before the ins...

10 min read
Are Composting Toilets Legal? The Plain-English Guide
Regulations

Are Composting Toilets Legal? The Plain-English Guide

The regulatory landscape for composting toilets is not a wall — it is a process. The technology has been in residential use long enough that most ...

11 min read
Top picks

The Field

Stories, deployments, operator notes, and lessons from real-world use.

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Composting Toilets for Boats, Sailing, and Live-Aboards
The Field

Composting Toilets for Boats, Sailing, and Live-Aboards

The Renew is a compact, mechanically simple, waterless system - that integrates into a 12V DC vessel electrical architecture with negligible load, ...

15 min read
Composting Toilets for Van Life and RVs: What Actually Matters
The Field

Composting Toilets for Van Life and RVs: What Actually Matters

Van and RV sanitation comes down to a simple question: what system will you actually maintain consistently over weeks and months of travel? The ho...

13 min read
Top picks

Virro for Life

Ideas and resources for homes, cabins, vehicles, travel, and off-grid living.

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Virro’s Strategy for Urine Processing, Stabilization & Fertilizer Recovery
Virro for Life

Virro’s Strategy for Urine Processing, Stabilization & Fertilizer Recovery

Urine stabilization helps preserve nitrogen, reduce odor, and make collected urine easier to store or process. Depending on the method, stabilizati...

12 min read
From Vault Toilets to Living Systems: Building the Next Public Bathroom
Virro for Life

From Vault Toilets to Living Systems: Building the Next Public Bathroom

We are working with partners who are ready to rethink public vault toilets. We are preparing American-made injection-molded designs for launch. We ...

10 min read

Reinventing the Toilet

Compost Toilets made for function, designed for comfort.

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Findlay, OH, 45840

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