Solar Vacuum Tubes are the latest in solar thermal heating technology. While they have been around for some time, there costs were prohibitive to residential installations. However in the last 10 years, solar vacuum tubes costs have dropped substantially as large scale manufacturing has resulted in global supply of solar evacuated tubes. Unlike flat plate [...]
In the past solar pool heaters were made of black plastic tubes and were generally placed on the roof of most homes. While these system did heat up the pool a couple degrees, they were generally considered problematic by their owners. Plastic deteriorates quickly in the hot sun. Not to mention the harsh chlorine chemicals [...]