Repiping a house with PEX (cross-linked polyethylene) pipes is an excellent choice for homeowners looking for a durable, affordable, and easy-to-install plumbing solution. The average cost to repipe a house with PEX ranges from $2,000 to $8,000, depending on the home size, plumbing complexity, and labor rates.
Price Overview of PEX Repiping
The cost of repiping with PEX depends on several factors, including the number of plumbing fixtures, home size, and labor fees. Below is a general cost estimate:
| Home Size | Estimated Cost with PEX |
|---|---|
| Small home (1-2 bathrooms) | $2,000 – $4,000 |
| Medium home (3-4 bathrooms) | $4,000 – $6,000 |
| Large home (5+ bathrooms) | $6,000 – $8,000+ |
Key Cost Factors:
- Material Costs – PEX pipes are cheaper than copper or CPVC.
- Labor Costs – Professional plumbers charge between $50 – $150 per hour.
- Permits & Inspections – Some areas require permits, adding to costs.
- Accessibility – Hidden pipes behind walls or under floors increase labor charges.
Tip: Always get quotes from multiple plumbers to find the best deal!
What is PEX?
PEX is a flexible, plastic-based plumbing material used to replace old or damaged pipes. It is corrosion-resistant, affordable, and easy to install. Unlike traditional materials like copper, PEX can expand if frozen, reducing the risk of bursting.
Why Choose PEX for Repiping?
- Highly flexible – Can bend around corners, reducing the need for joints.
- Rust-proof – Does not corrode like metal pipes.
- Lower cost – Cheaper than copper or galvanized pipes.
- Long lifespan – Lasts up to 50 years with proper installation.
- Easy to install – Requires fewer fittings and connections.
Notice: PEX is not suitable for outdoor use as it can be damaged by UV rays.
PEX vs. Other Repiping Materials
Here’s a comparison of PEX, copper, and CPVC based on cost and durability:
| Material | Average Cost | Lifespan | Pros | Cons |
| PEX | $2,000 – $8,000 | 40-50 years | Flexible, corrosion-resistant, affordable | Not UV-resistant |
| Copper | $5,000 – $15,000 | 50+ years | Durable, heat-resistant | Expensive, prone to corrosion |
| CPVC | $3,000 – $10,000 | 40-50 years | Inexpensive, easy to install | Brittle, can crack over time |
Tip: If you’re on a budget and need a durable solution, PEX is the best option.
How to Calculate the Average Cost of PEX Repiping?
The best way to estimate the cost of repiping is by using a PEX repiping cost calculator. This tool factors in your house size, number of plumbing fixtures, and labor rates to provide an accurate estimate.
Use our House Repiping Cost Calculator to get an instant price estimate.
Notice: The final cost may vary based on additional repairs or hidden plumbing issues.
Things to Consider While Repiping a House with PEX
Before starting a PEX repiping project, keep these points in mind:
- Hire a Licensed Plumber – Ensures proper installation and compliance with local codes.
- Shut Off Water Supply – Avoids water damage during installation.
- Choose the Right PEX Type – PEX-A, PEX-B, or PEX-C, depending on your needs.
- Check for Permits – Some cities require approval before repiping.
- Plan for Downtime – Repiping may take 1-3 days.
Tip: If your house is old, inspect the main water line too, as it might also need replacement.
Signs That Your House Needs Repiping
If you notice any of these issues, it’s time to repipe your house:
- Frequent Leaks – Old pipes develop cracks and leaks.
- Low Water Pressure – Corroded pipes restrict water flow.
- Discolored Water – Rusty or brownish water signals pipe deterioration.
- Strange Odors or Tastes – Indicates pipe contamination.
- Noisy Pipes – Rattling sounds could mean loose or failing pipes.
Notice: If your plumbing system is over 30 years old, repiping is highly recommended.
FAQs
How long does it take to repipe a house with PEX?
It usually takes 1 to 3 days, depending on the home size and complexity.
Can I repipe my house with PEX myself?
DIY repiping is possible but not recommended for beginners. Professional installation ensures compliance with local plumbing codes.
Does repiping increase home value?
Yes! New pipes improve water quality and efficiency, making your home more attractive to buyers.
Is PEX better than copper for repiping?
For most homeowners, PEX is better because it’s cheaper, easier to install, and resistant to corrosion.
How do I maintain PEX pipes after installation?
- Avoid exposure to direct sunlight.
- Keep away from sharp objects to prevent punctures.
- Insulate in cold climates to avoid freezing.
Last Tip
PEX repiping is a cost-effective way to upgrade your home’s plumbing system. With prices ranging from $2,000 to $8,000, it is a cheaper, durable, and flexible alternative to copper and CPVC pipes. Always get quotes from licensed plumbers and use a repiping cost calculator to estimate your expenses accurately.
Need an estimate? Check out our House Repiping Cost Calculator for an instant price breakdown!
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