I Heat ALL My Water for FREE — No Gas, No Electricity (DIY Solar Water Heater)

🔗 GET THE OFF-GRID MANUAL — 126 methods. 368 pages. Every system, every cost, start to finish. 👉 https://calebgreeroffgrid.com I build off-grid water and power systems. This channel is the field notes. The Manual is the whole thing in order. Heating water is 15-18% of your energy bill — several hundred dollars a year to keep a tank hot whether you need it or not. I built a solar water heater from 50 feet of copper tubing coiled inside a wooden box with a glass lid for under $80. It pushes water past 150°F in 15 minutes of direct sun. No pump, no electricity, no gas. The Romans used this 2,000 years ago. Here’s the full build, the real numbers, and the honest limits. copper coil solar water heater, DIY solar water heater, solar hot water, copper coil sunlight, off grid hot water, free hot water solar, solar water heater build, copper tubing water heater, off grid water heating, solar thermal DIY, copper coil greenhouse effect, solar preheater, off grid shower hot water, solar water heater cost, passive solar water heater #solarwaterheater #offgrid #copper #freehotwater #DIYsolar #homestead