How durable are the evacuated tube solar water heaters? Are they more or less energy efficient than pv arrays?



  1. 0 Votes

    Durability depends on the brand, it seems.  The first citation is of a website that personally has devised a rating system relating to the solar heaters by brand.

    As it turns out, Solar Water Heaters are way more efficient, and cheaper, than PV Arrays.  The second citation is a wonderfully articulate article explaining further.

    Check them both out!

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