Build a Solar Water Heater: An Intregal Passive Solar Water Heater

Passive solar water heaters are easy to build, install and use.

A horizontal, in-line, triple-tank integral passive solar water heater under construction.
David Bainbridge
Plans for a single-tank integral passive solar water heater.
David Bainbridge
The author's "test-bed" — a tilted, three-tank integral passive solar water heater, provided his family with 70% of their total hot-water needs during a full year of monitoring.
David Bainbridge

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