Tag Archives: water heater

Recommended Water-heater

Solar DIY – How to Make a Cheap DIY Solar Water Heater!


Energy is expensive here in Brazil so I decided to save some money by making a Solar Water Heater. In Brazil water is usually heated instantly with 5000 watts of electricity in the shower head. This is the same amount of electricity as running your microwave for 1 hour to water for you 15 minute shower, or turning on 50 one hundred watt light bulbs at the same time. Needless to say, it really adds up on your electric bill (and is also a little scary).

I wanted to do it cheaply. In Brazil copper is very expensive so I made it with

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Solar DIY – How to Make a Solar Thermal Water Heater!

If you can either find or have an old fridge, you can easily use the back of the fridge to re-make a solar thermal water heater that can easily burn your hands.

This method doesn’t use any actual solar panels but uses a reflective surface and the heater bars of the old fridge to heat the water, pretty incredibly simple yet very effective.

A word of warning, this panel works VERY WELL. We tested it on a very sunny day and within seconds the water coming out of the panel was hot e

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