Articles by John Siegenthaler, P.E.

Mounting solar panels at the proper angle is critical in maximizing system performance.

The hydronic system shown was intended to provide heat to a radiant floor slab and an indirect water heater.

Using wood-fired heat sources in conjunction with conventional fuel.

A homeowner tells his installer that he wants a geothermal heat pump as well as a mod/con boiler to supply the radiant floor heating in his new home.

A possible operating mode for some hydronic systems.

After 30 years, it was time for a solar refresh.

The proper application of pressure-independent balancing valves.

An introduction to pressure-independent balancing valves.

The future of hydronics is low water temperature.

Over the last few years, we’ve discussed what hydraulic separators are for and how they should be installed.