Off The Grid Residential Water Systems

The idea of installing a fully off-the-grid water system is fully justified both financially and practically. Here are 3 practical examples of how this works, with different designs and challenges.

Sizing PURAIN Rainwater Pre-Filters Part 1

This is a technical guide to sizing rainwater pre-filters for your local rainfall patterns and roof size. Sizing rainwater pre-filters for extreme rainfall events may lead to excess capital cost and suboptimal performance.