Dubious solar hot water drainback The Glitch & The Fix, October 2015 John Siegenthaler, P.E. October 14, 2015 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. Read More
Viessmann celebrates 25 years in the United States October 8, 2015 In early September, Viessmann celebrated 25 years of business in the United States at the company’s U.S. headquarters in Warwick, R.I. Read More
Solar freeze protection John Siegenthaler, P.E. September 28, 2015 Why I prefer drainback solar thermal systems.Read More
Bosch to give awards for energy-efficient projects July 30, 2015 To qualify, submitted project work must have been completed between Jan. 1, 2014, and Nov. 30, 2015.Read More
Biomass boiler cycling John Siegenthaler, P.E. July 20, 2015 A significant temperature change is needed for effective thermal storage.Read More
Energizing houses with the power of the sun At the end of the year, the homeowner pays nothing in energy costs, other than the monthly fee required to connect to the grid. Nadia Askar June 22, 2015 Zero-net-energy housing takes a bill off a homeowner’s hands.Read More
ISH Frankfurt takes on industry issues In 2015, those lines started to blur with greater emphasis on water-efficient plumbing products and better-looking heating appliances. Bob Miodonski June 22, 2015 Products address energy efficiency as well as water quality and consumption.Read More