Hydronics Workshop | John Siegenthaler How to integrate a heat pump with a boiler for dual temperature hydronic heating and cooling Delivering expectations John Siegenthaler, P.E. July 2, 2025 A building with slab-on-grade heating from a cast iron boiler plans to expand. A monobloc air-to-water heat pump will provide heating and cooling for the new space via a fan-coil unit, with the existing boiler serving as backup.Read More
The Glitch & The Fix: Share, and share alike November 18, 2020 An installer is asked to pipe up two larger commercial air handlers supplied by a dual boiler setup. Read More
