Calgary, AB, January 23, 2015. Simple Solar Heating Ltd. has patented a new technology for solar heating that reduces cost and increases performance. The new technology, specifically designed to provide year-round solar heating for cold subarctic and continental regions, is applicable to all solar heating systems.
The Freedom Won solar heater uses the newly patented technology to prevent overheating of the solar system (a process known as stagnation in solar terminology) enabling the installation of more collectors for increased production of solar heat. Previous solar heaters were vulnerable to stagnation and had to restrict the size of their collectors to only 30% to 50% of the heating load. The Freedom WonTM process enables 70% to 100% of the heating load to be met with solar energy.
The Freedom Won solar heater has replaced electronic controls common in solar heaters with a photovoltaic panel that directly energizes the circulating pump. With this method the sun not only generates heat but also the electricity to power the circulating pump. Thermostatic controls automatically direct the solar-heated fluid without any sensors, wiring, relays or other components. The Freedom Won generates its own power so no grid electricity required.
Overheating protection, PV powered pump station and simplified design features makes the Freedom Won lower cost to install, operate, and maintain. Simple Solar’s President and CEO, Tom Jackman, stated “Our Freedom Won is simply a better approach to solar heating. It is lower-cost and more robust than other solar heaters that have complicated electronics, expensive high temperature linesets and provide only 30 – 50% solar fraction. Freedom Won is a paradigm-shift in solar heating; a technology that has seen little innovation in the past decade“.
Innovation in solar photovoltaic technology has driven prices down and solar PV can now be installed for $4.00 per watt on some sites. However solar thermal with the Freedom Won technology costs about $1.50 per watt and 60% to 80% of the energy consumption of residential buildings is used for heating purposes.
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