Copper vs. PEX vs. PVC: Choosing the Right Pipe

Pipe selection is one of those home-improvement decisions that influences everything from repair frequency to upfront installation costs. Copper, PEX (cross-linked polyethylene), and PVC (polyvinyl chloride) are among the most common materials used for water and drainage systems, but they are not interchangeable. The “right” choice depends on whether you’re routing water supply lines, handling hot versus cold flow, or building drainage and venting.