water heater Archives – The Green Optimistic

Jake Explains How to Build a Super-Cheap Solar Water Heater

Ovidiu Sandru — Tue, 29 Jun 2010 18:49:04 +0000

Solar water heaters are not a new idea, but people who often complain about rising energy prices should be reminded to use such devices to help heat their homes and take a shower, too.

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Piezo Shower: Newly Invented Piezoelectric Nanowires Used to Heat Water Through Friction

Ovidiu Sandru — Wed, 28 Apr 2010 19:47:09 +0000

The water that you unleash when you take a shower (with the "hot" knob closed) has two properties: pressure and temperature. You can change pressure, but to raise its temperature you usually need extra energy. Regularly, you don't shower with the water knob turned to the maximum, so a certain extra pressure exists in the tubing, creating friction.

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Israel – the World Leader in Solar Powered Water Heating

Ovidiu Sandru — Wed, 09 Jul 2008 21:30:39 +0000

Did you know that Israel has 90% of the population heating their water from the sun? This has happened because of the 1950 energy crisis, fact that led them into buying solar water heaters. In 1983, about 60% of the Israelis had solar water heating.

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