- October 28, 2021A radiant floor system isolated by a flat plate heat exchanger wasn't working because the PHE had become plugged with…
- October 14, 2021A modulating-condensing boiler connected to a radiant garage slab was short-cycling badly despite being properly set up. The culprit was…
- September 7, 2021When a wet rotor circulator pump failed to operate on a radiant floor heating project, the culprit was simple: the…
- 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, 2021A practical troubleshooting checklist developed from years of field experience — covering power, gas, rotation, valve positions, strainers, flues, and…
- August 8, 2021Prison flush valves that wouldn't work properly pointed to a water pressure problem. The cause was buried underground — a…
- August 8, 2021A mother's condo heating system got hotter the more she turned it down. The problem: her brother had replaced the…
- August 8, 2021A boiler short-cycling like it was possessed turned out to be an injection pump issue in a primary-secondary radiant floor…
- July 29, 2021When an inline vane axial return fan wouldn't produce airflow, the boss climbed a ladder and held cardboard over a…
