Water Treatment
Average Cost: $260 - $3,500
Pentair Water Solutions is a trusted U.S. brand offering whole-home water filtration, softening, and treatment systems for clean, safe water. With products priced between $260 and $3,500, Pentair provides professional or DIY installation options and reliable performance backed by decades of experience in water quality innovation.
Pentair Water Solutions — formerly Pelican Water Systems — is a global leader in water filtration and softening systems for homes, businesses, and municipalities. Founded in 1966, it now offers nationwide products through contractors and retailers. Most systems cost $260 to $3,500, including installation.
After acquiring Pelican, Pentair still services older systems but sells all new filtration and softening products under its own brand.

Pentair’s reputation for reliability and product variety makes it a popular choice. However, its warranty coverage and lack of free water testing are potential drawbacks. Below is a quick overview of its main advantages and disadvantages.
Pentair offers a wide range of residential, commercial, and industrial water treatment systems. For homeowners, key options include:
Pentair also sells water supply and pumping products, such as:
Pentair pricing depends on system type and complexity. Most models cost $260 to $3,500, plus $100 to $500 for installation.
| Pentair Product Type | Average Cost |
|---|---|
| Whole-House Multiple Stage Filtration | $1,600 |
| Whole-House UV Filtration | $800 |
| Whole-House Sediment Filtration | $160 |
| Whole-House Carbon Filtration | $900 |
| Undersink Filtration | $300 |
| Undersink Reverse Osmosis Filtration | $500 |
| Replacement Filters or Cartridges | $100 to $300 |
| Water Softener System | $1,000 to $3,000 |
Larger or multi-stage systems often cost more, especially if plumbing upgrades are needed.
Several factors affect total cost, including size, features, and installation needs.
Pentair is known for reliable, NSF-certified products that meet safety standards. Its systems suit both basic and advanced whole-home filtration at various price points.
The Pentair website also offers buying guides, manuals, and support to help customers choose the right system.
Compared to Pentair, Culligan offers similar water filtration and softening products, including whole-house and reverse osmosis systems. Culligan provides free in-home water testing and employs its own installers, while Pentair uses independent contractors. Additionally, Culligan’s warranties are typically longer and include lifetime coverage on some systems.
Aquasana provides a broader range of point-of-use filters, such as countertop and shower options. On the other hand, Pentair focuses on whole-home and under-sink systems. Aquasana’s warranties range from one to ten years, depending on the product line.
If you want a trusted, nationwide provider, Pentair is a reputable brand offering a wide range of water treatment systems. Many models are DIY-friendly, though professional installation is best for complex setups. Its balance of quality, availability, and price makes it a solid option for most homeowners.
How much does a Pentair water filtration system cost?
Most Pentair systems cost $260 to $3,500, depending on type and configuration.
Are Pentair products DIY-friendly?
Yes. Many systems are DIY-friendly, though professional setup is recommended for whole-house models.
Does Pentair still support Pelican products?
Yes. Pentair still services legacy Pelican filters while selling new systems under its own name.
Is Pentair a good brand?
Yes. Pentair is a long-established water treatment company with NSF-certified products and nationwide reach.
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