Average Salaries. The U.S. Bureau of Labor Statistics groups phlebotomists with other medical laboratory technicians, and in its May 2011 figures provides a median income of $17.01 per hour. The lowest 25 percent in the category earned $13.66 per hour or less, and the lowest 10 percent earned $11.29 or less.verage Salaries. The U.S. Bureau of Labor Statistics groups phlebotomists with other medical laboratory technicians, and in its May 2011 figures provides a median income of $17.01 per hour. The lowest 25 percent in the category earned $13.66 per hour or less, and the lowest 10 percent earned $11.29 or less.
The solar thermal system works simply by pumping cold water into the pipes within your solar thermal panels, which are fitted on your roof. The sun then heats up the cold water within the pipes. The now hot water is pumped into your hot water cylinder where it is stored until needed.
This feature is not available right now. Please try again later. How solar hot water works-Animation of residential solar thermal system, when sun is out, fluid passes through solar-heated collectors on your home's roof, which in turn pass through a heat exchanger in your basement, giving you hot water. Electric or oil heat is used as backup when the sun is not enough. 1  Howto & Style.