I’ve written many PM columns discussing how air-to-water and geothermal water-to-water heat pumps can be combined with hydronic delivery systems to deliver efficiency AND superior comfort. This combination is a great solution for many consumers.

HydroSketch also allows users to create their own custom component symbols, and take advantage of expanded drawing libraries.

Strive for what seems impossible at the present.

Different ways to pipe a thermal storage tank.

Many systems that use renewable energy heat sources have large thermal storage tanks.

Many systems that use renewable energy heat sources have large thermal storage tanks.

Myths and methods for protecting boilers against flue gas condensation.

An installer who is used to boiler replacements may view the mechanical room aspects of changing from a boiler to a geothermal heat pump the same as a boiler changeout; just swapping out one “box” for another. Unfortunately, this can lead to some significant operating problems.