18th century – Early development of solar thermal systems
The Swiss natural scientist Horace Bénédict de Saussure
builds a “simple solar water heater”, which is made of a wooden
box with a black bottom and covered with glass.
The solar collector reaches temperatures of almost 90 °C.
1890s – First solar water heater
The first commercial solar water heater is patented.
1900s – First thermosyphon system
William Bailey develops a more ergonomic, compact designed collector
and becomes the market leader in solar thermal technology.
The Bailey system is the first thermosyphon system
that places the tank on the roof and a collector underneath.
1920s – Collectors become flat
First flat-plate collectors for solar water heating are used.
1980s – Oil crises
Especially after the oil crisis, solar water heaters are becoming more and more popular in the USA.
2000s – Triumph of solar water heaters
The worldwide boom of solar water heaters begins.
Solar water heating systems become popular in China –
at least 30 million Chinese households have a system.
2019 – World`s most revolutionary solar water heater
110 years after the first thermosyphon system,
SUNPAD starts a new era of solar water heater systems.
Solar energy has never been cheaper, simpler and more aesthetic!
… TO THE REVOLUTION
SUNPAD is the world's most revolutionary solar water heater. A great innovation that comes with an unbeatable price.
5-year warranty on the solar water heater.
2-year warranty on components!