They're not boilers John Siegenthaler, P.E. February 1, 2012 Designing hydronic systems around outdoor wood-fired furnaces.Read More
Mixing valves, boilers and radiant panels John Siegenthaler, P.E. January 22, 2012 An installer uses a four-way motorized mixing valve to interface between a conventional gas-fired cast-iron boiler and a low-temperature radiant panel system.Read More
Baseboard makeover John Siegenthaler, P.E. January 1, 2012 A modern approach to a traditional means of hydronic heating. Read More
Muddy water John Siegenthaler, P.E. December 9, 2011 An installer decides to replace an old cast-iron boiler with a modern mod/con unit that has a 5:1 turndown ratio and integral outdoor reset control.Read More
Coil envy John Siegenthaler, P.E. December 1, 2011 Why don’t North American indirect tanks have larger heat exchangers?Read More
Poor Man's Radiant John Siegenthaler, P.E. November 30, 2011 In an attempt to avoid purchasing what he considers “fancy valves,” an installer constructs the system shown with globe valves.Read More
Transitions, Part 2 John Siegenthaler, P.E. November 1, 2011 How to extract more heat from a storage tank. Read More
Tilting at collectors John Siegenthaler, P.E. November 1, 2011 Mounting solar panels at the proper angle is critical in maximizing system performance.Read More
Cold Showers And Rusty Vents John Siegenthaler, P.E. October 28, 2011 The hydronic system shown was intended to provide heat to a radiant floor slab and an indirect water heater.Read More
Transitions, Part 1 John Siegenthaler, P.E. October 1, 2011 Using wood-fired heat sources in conjunction with conventional fuel. Read More
