Armstrong Fluid Technology acquires HALM January 8, 2018 German circulator manufacturer helps Armstrong expand its European presence in the heating, solar, geothermal and domestic hot water markets.Read More
Siegenthaler: Sizing the air space in a pressurized drainback system - Part 2 Sizing the air space in a pressurized drainback system. John Siegenthaler P.E. December 29, 2017 In most areas of the U.S. and Canada, solar-thermal systems require a means of freeze protection. Read More
Sizing the air space in a non-pressurized drainback system John Siegenthaler P.E. November 29, 2017 All solar thermal systems that use drainback freeze protection require a space to accommodate the water volume.Read More
2017 pme Plumbing Engineer of the Year: Randy Olson, P.E. Olson is involved in plumbing applications with projects such as the geothermal elements of Great River Energy. John McNally September 14, 2017 Partner at Minneapolis firm leads the way by taking the wide view of products and applications.Read More
Recirculating renewable energy John Siegenthaler P.E. August 23, 2017 The temperature of the thermal storage tank can vary over a wide range.Read More
Sophistication in a hydronics system doesn’t imply complication John Siegenthaler P.E. April 28, 2017 Hydronics heaven.Read More
IAPMO redesigns learning center website April 26, 2017 The website is now a one-stop shop where individuals can register for live classes, take online courses and attend webinars. Read More
Geothermal industry asks Congress to ‘level the playing field’ ‘Hey, you’re using a tax code to pick renewable winners and losers, and that’s not what you should be doing.’ Jen Anesi-Brombach April 11, 2017 A bipartisan bill would reinstate tax credits that expired at the end of 2016.Read More
Improving thermal energy John Siegenthaler P.E. March 27, 2017 Good stratification improves the quality of thermal energy.Read More
Injection mixing from thermal storage John Siegenthaler P.E. February 27, 2017 An established technique that can be used in renewable energy systems.Read More