SolarHotty: Solar water heating that doesn’t clutter your skyline

The new paradigm in solar water heating. The only solar solution that is able to heat a standard geyser without modifying the existing geyser plumbing installation.

What solar needs currently

Solar, for all its promise as a source of abundant and cheap energy, has a problem – there is still no cost-effective and efficient way to store it. In terms of output and efficiency, solar batteries are still in their infancy – ranging in size from wall-mountable units the size of microwaves (storing 1 kilowatt…