Solar hot water systems of yesteryear ... but we're working on that), and besides PV panels, it had a large solar water ...

Solar water heating, often referred to as ‘solar thermal’, involves using solar panels to absorb the heat of the sun and transfer it to the water you use in the home. On warm summer days a solar ...

Hello, guess what? I've almost managed to semi-sort-of-not-really finish setting up the house heating extravaganza! A 300-liter tank with not one, but two snake-like doodads (aka serpentine thingies), ...