Underfloor heating with collector and radiator in the room. Concept of technology heating. The order of layers in the floor.

What does Hydronic Heating mean?

Hydronic heating means water-based heating. The most common type of hydronic system

utilizes a boiler to make the water hot, a pump, and pipes to send the hot water to an air

handler, which transfers the heat from the hot water to the air, which in turn warms the space.

Now, the next question is, what is an air handler? The air handler consists of a fan and a hot

water coil. The hot water goes through the coil, which makes the coil hot. The air handler

sends air past the coil, which warms the air. The warm air then gets distributed by the fan. The

water gets pumped back to the boiler, and the cycle continues until the space reaches its

proper temperature.


This system is popular in new and retrofitted homes. It’s pretty economical and relatively easy

to install. Another benefit is that the air doesn’t get hot; it gets warm. Hot air systems can

make it uncomfortable in the winter because it continually dries the air. Hydronic systems

don’t dry the air, making it more comfortable than conventional hot air systems


Now, if somebody mentions hydronic heating, you’ll know what it means! We hope you find

this information interesting and helpful.


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