Hydronic Heating System
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System Basics |
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| The circulation of hot water to provide heat is known as a “Hydronic” System. It is a closed system, meaning that it continually circulates the same coolant. It begins with the furnace, usually fueled by diesel, or electric elements that heat the coolant to 180 degrees. A system pump circulates the hot coolant through a domestic water heater and then to the various fan units located throughout the coach or yacht for interior heating. |  |
| An engine coolant loop can be added to pre-heat the engine. The diagram at the right shows the basic Hydronic system, consisting of two loops, a heating loop and an engine loop. | |
| Benefits | |
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Hydronic heating has become the system of choice in RV’s. The system has many advantages over the propane system of the past and is incomparable to a reverse-cycle AC system. The Table below summarizes the benefits of a Hydronic system. | |
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