John Siegenthaler: Back to basics: Thoughtful zoning Things to consider before planning your piping layout. John Siegenthaler, P.E. October 21, 2020 A zone is any area of a building for which indoor air temperature is controlled by a single thermostat (or other type of temperature controller). Read More
The Glitch & The Fix: Presumptuous primary piping October 20, 2020 An installer plans to use a single-speed monobloc air-to-water heat pump to supply several panel radiators. Read More
Lawrence Marley: Hydronic piping Safely making your building comfortable. Lawrence Marley September 1, 2020 The climate control systems in most commercial buildings have very little similarities to their residential counterparts. Read More
Primary/Secondary Piping: Back By Popular Demand John Siegenthaler, P.E. May 11, 2000 Primary/ secondary piping is a versatile piping method that's increasingly being used as the backbone of modern multi-load/multi-temperature hydronic systems.Read More
