When it comes to modern plumbing solutions, there’s a hotly debated question that dominates the scene: Do plumbers prefer PEX or copper? The answer isn’t always simple since both materials have their advantages and disadvantages, and preferences really depend on the specific job, location, and even the plumber’s own experience.
Whether you’re planning a remodel or considering repiping services, understanding what materials professionals prefer—and why—can help you make a smarter, longer-lasting investment in your home’s infrastructure.
Do Plumbers Prefer PEX or Copper? Here’s What the Pros Really Think
In more recent years, many professional plumbers have started to favor PEX over copper, especially when it comes to residential applications. Why? It’s pretty simple. PEX (cross-linked polyethylene) offers a combination of flexibility, cost-efficiency, and quick installation that copper piping can’t compete with.
PEX is especially popular in PEX repiping jobs thanks to its ease of use in tight spaces and its resistance to corrosion and scale buildup. Copper, once the industry standard, is still appreciated for its durability and longevity, but it comes with a higher price tag and can be more challenging to work with.
So, while some seasoned plumbers still swear by the time-tested reliability of copper, the industry trend, particularly for repiping, leans heavily in favor of PEX.
Why PEX Has Gained the Upper Hand in Repiping Services
PEX has surged in popularity for good reason. Many plumbers appreciate how easy it is to install, especially when it comes to homes with complex or cramped pipe layouts. Because PEX tubing is flexible, it can be snaked through walls and around corners with fewer fittings, which cuts down on labor time and potential leak points.
From a performance perspective, PEX also holds up well under a variety of conditions. It can handle both hot and cold water lines, resists freezing damage better than copper, and is less likely to burst if exposed to extreme cold. Plus, it’s immune to corrosion, something copper pipes can struggle with in areas with acidic or mineral-heavy water.
Homeowners also love that PEX installations tend to be less invasive. Since fewer holes are needed in walls and ceilings, repiping with PEX can often be completed with minimal disruption to your living space. It’s a win-win: faster installations and fewer repairs to drywall and finishes afterward.
What’s the Case for Copper?
Despite the rise of PEX, copper still holds a place of honor in the plumbing world. It’s known for its exceptional durability and proven track record—some copper systems have lasted over 50 years. For certain projects, especially in older homes or when local codes demand it, copper remains the go-to material.
Copper also has a higher heat tolerance than PEX and can be used outdoors or in situations where UV exposure is a factor (PEX degrades in sunlight). Some plumbers prefer the sturdiness and traditional quality of copper, especially in visible installations where appearance matters.
Additionally, copper has natural antimicrobial properties that can help inhibit bacterial growth inside pipes. This benefit can be particularly important in sensitive settings, though it’s less of a concern for most residential homes.
Comparing Installation: PEX vs. Copper
Ease of Installation
PEX wins here, hands-down. It requires fewer tools, less time, and fewer connections. Plumbers can often finish a PEX repiping job in less time, reducing both labor costs and homeowner disruption.
Material Cost
PEX is significantly less expensive than copper, which can fluctuate in price based on market conditions. This makes it a more affordable option, especially for whole-home repiping services.
Longevity and Maintenance
Copper pipes typically last longer, often 50+ years, compared to PEX’s average lifespan of 40–50 years. However, PEX’s resistance to corrosion and its flexible design can help prevent issues that might arise sooner in a copper system under certain conditions.
Water Quality & Noise
Copper pipes may cause water to taste metallic, especially in new installations, whereas PEX is taste-neutral. Also, PEX absorbs more sound from flowing water, making it quieter than copper piping.
Plumber Preferences by Application
Many plumbers agree: it’s not always an either-or situation. PEX is typically the preferred material for new builds and large-scale repiping projects. For more minor repairs, exposed piping, or locations with UV exposure, copper may be the better choice. Some professionals even use a hybrid approach—PEX for interior lines and copper for exterior or main supply lines.
Ultimately, the plumber’s experience and your home’s needs will determine the right material. At Henrik Plumbing, we’re experts in both copper and PEX repiping, and we tailor every repiping service to the unique structure and goals of the property.
Ready to Repurpose Your Pipes? Let’s Talk Materials
Wondering if copper or PEX piping is the right choice for your project? Let Henrik Plumbing guide you. Call today to schedule a consultation and discover which material is best for your specific needs.