An installer uses an unpressurized thermal storage tank for drainback protection of a solar thermal system, and carefully slopes all the collectors and collector array piping for 1/4 in. per ft. drop.

Why I prefer drainback solar thermal systems.

When our master bathroom was featured on the cover of a 1999 issue of Radiant Living magazine, the article revealed many improvements the house had received over its life.

The 24,037-sq.-ft. educational facility achieved 62 points out of a total of 79 possible points for LEED Gold -- including 8 out of 11 points for optimization of energy performance.

Trends show the market for solar combisystems — systems that provide both domestic water and space heating — has potential to expand. An estimated 42,000 of these systems are installed in the United States, and the market is growing slowly.

Conservation Corps Iowa showcased the first home with a so-called “solar furnace” at a recent open house event in Cedar Rapids, Iowa, according to a report from KCRG.com.

SunTrac Solar’s SmartPanel is a concentrating solar thermal panel with a computerized sun-tracking control system to adjust the concentrators.