What type of system uses hydronic heat?

Hydronic heating systems operate by using water as a heat transfer medium to provide warmth. This process involves heating water in a boiler, which is then circulated through pipes to radiators or underfloor heating systems. This method of heat delivery is efficient because water can hold and transfer heat more effectively than air, leading to a more consistent and comfortable indoor temperature.

The radiant heating provided by hydronic systems creates an even distribution of heat, as opposed to forced air systems that can create drafts and hot or cold spots. The versatility of hydronic systems allows them to be used in various settings, including residential and commercial buildings, and they can be utilized in conjunction with renewable energy sources, such as solar heating, making them environmentally friendly.

In contrast, systems that cool air through evaporation or heat via fans primarily rely on air movement rather than water to transfer heat. Systems that generate heat through electric coils also differ fundamentally, using electricity to produce heat directly rather than relying on a fluid medium like water. This highlights the unique function and advantages of hydronic heating systems in providing efficient thermal comfort.