Warning: preg_match(): Allocation of JIT memory failed, PCRE JIT will be disabled. This is likely caused by security restrictions. Either grant PHP permission to allocate executable memory, or set pcre.jit=0 in /public_html/off-the-grid.eu/wp-includes/block-supports/duotone.php on line 218

Tag: solar thermal

  • How to build a simple solar thermal water collector

    In august, during the “Do It Yourself 2.0” workshops set up by Cohabitat, I ran a workshop in which I taught how to build a simple and affordable solar thermal collector that is suitable for domestic hot water. Of course I made a lot of video and photos so that I could edit it all […]

  • 5 ways to harness solar thermal energy

    Today I wanted to show you in brief 5 good ways to use solar energy to produce useful heat. Most people probably at this moment think about solar thermal collectors for domestic hot water, but there are many other possibilities. Of course I will write about solar collectors, though it’s not a device I suggest […]

  • Off-grid heating, ventilation and cooling

    Off-grid house should not get any energy input from outside. It should use only energy generated on-site. Because of that, in my opinion a house that’s powered by propane (for genset, cooking and heating) is not off the grid. But in cool climates most of the energy is required for heating and domestic hot water. […]