Which materials are commonly used for piping in heating systems?

The use of copper, PEX, and PVC in heating systems is prevalent due to their respective properties that make them suitable for transporting hot water and steam.

Copper is highly favored for its excellent thermal conductivity, resistance to corrosion, and durability. It can handle high temperatures and is often used in both residential and commercial heating systems.

PEX (cross-linked polyethylene) is increasingly popular because of its flexibility, ease of installation, and resistance to scale and chlorine. It can be bent around corners without the need for fittings, which can reduce the risk of leaks and improve efficiency in heating systems.

PVC (polyvinyl chloride) may be used for certain low-temperature applications and specific systems, such as drain, waste, and vent piping, but is less common for hot water transport due to its temperature limitations. Nonetheless, it does find some application in certain configurations and is durable against corrosion.

Overall, these materials are chosen for their effective thermal properties, ease of installation, and longevity, making them suitable choices for various heating systems.