- July 21, 2022Side-stream filters keep hydronic systems healthy like kidneys clean blood, yet almost nobody knows the actual flow rate through them.…
- April 7, 2022Condensing boilers can reach 98% efficiency — but only when return water is around 80°F. Above 130°F the boiler won't…
- March 17, 2022An expansion tank connected on the discharge side of the pump caused the pump inlet pressure to drop below atmospheric,…
- February 24, 2022Logarithmic mean temperature difference (LMTD) is the driving force behind heat transfer, and counter-flow arrangements produce a higher LMTD than…
- September 13, 2021Of the essential components every modern hydronic system needs, the air separator is the one most often missing. Without one,…
- August 23, 2021Albert Einstein's word 'schlembe' — an improvement that makes things worse — perfectly describes what happened when an energy performance…
- August 19, 2021A 15-storey apartment building with chronic cold complaints had most of its pump flow short-circuiting through an oversized, unbalanced unit…
- August 8, 2021Primary-secondary piping doesn't have to be mysterious. Drawing a capital H captures every P-S connection's four arms and decoupler pipe,…
