T and ∆T pumping when it comes to wood-gasification boilers One application that leverages both control capabilities. John Siegenthaler, P.E. October 18, 2013 The market for wood-gasification boilers is growing in North America. Most are used in rural areas where natural gas in not available, and thus the cost of firewood is often very competitive against the alternatives of No. 2 fuel oil or propane.Read More
Parsing a number Differences exist between rules of thumb and precise calculations. John Siegenthaler, P.E. September 20, 2013 Differences exist between rules of thumb and precise calculations.Read More
Vertical heating Dan Holohan December 1, 2012 Unraveling the mysteries of early 20th century high-rise steam-heating systems.Read More
Do this, do that John Siegenthaler, P.E. December 1, 2012 A new piping concept and control wiring challenge. Read More
The house by Cedar Hill Dan Holohan November 1, 2012 The early days of district steam heating systems in NYC.Read More
Avoiding thermal depression John Siegenthaler, P.E. November 1, 2012 A new way to protect a heating system.Read More
Larger than necessary John Siegenthaler, P.E. October 1, 2012 You’re probably oversizing expansion tanks in low-temperature systems.Read More
Old boiler room stuff Dan Holohan October 1, 2012 Use this list to troubleshoot old steam-heating systems. Read More
Hydraulic separation revisited John Siegenthaler, P.E. September 1, 2012 It doesn’t have to be perfect to be effective.Read More
