Articles by John Siegenthaler, P.E.

Upcoming DOE regulations and rising energy costs are creating new opportunities to improve hydronic distribution efficiency through smarter circulator strategies.

As utilities and building owners look for new energy storage solutions, hydronic thermal storage presents an efficient alternative to batteries in many applications.

Air-to-water heat pumps are different from boilers. As the outdoor air temperature decreases, their heating output decreases. That’s a characteristic of all air-source heat pumps, and it runs opposite to how heating load changes with decreasing outdoor temperature.