Promotional graphic for Linek Plumbing Company featuring a whole-house water filtration system. The image includes a large black filtration tank on the right and a blue background on the left with the text: 'Whole-House Water Filtration – What Homeowners Need to Know' and the Linek Plumbing Company logo.

Whole-House Water Filtration: Is It Worth It?

When it comes to water quality, most homeowners focus on taste or smell. But what’s in your water—and how it interacts with your plumbing—has long-term consequences. At Linek Plumbing Company, we’ve installed countless water treatment systems. Today, we’re giving you a behind-the-scenes look at the pros and cons of whole-house water filtration systems, along with a review of one of the most trusted options: the Sterling CS1 Series.


What Is a Whole-House Water Filter?

A whole-house water filter treats water at the point it enters your home, ensuring every tap, shower, and appliance gets filtered water—not just the kitchen sink.

Related: Water Softener Installation Services in St. Louis


Advantages of Whole-House Water Filters

1. Protects Your Plumbing System

Filtered water extends the life of everything it touches—pipes, water heaters, dishwashers, and washing machines. Chlorine and sediment may be harmless to humans in small doses, but they’re tough on mechanical components.

2. Improved Water Quality Throughout the Home

Unlike under-sink or pitcher filters, a whole-house system ensures your showers, washing machine, and bathroom sinks all benefit from the same clean water. That means better skin and hair health, and less soap scum buildup.

3. Ideal for Well Water or Older Infrastructure

If your home draws from a well or a municipal system with older lead or galvanized lines, a whole-house filter can act as a frontline defense against contaminants—especially when paired with proper testing and maintenance.

Learn more: Galvanized Pipe Replacement


Disadvantages of Whole-House Water Filters

1. Upfront Cost

Installed by a licensed plumber, systems can cost thousands of dollars. But for many households, the long-term benefits justify the investment.

2. Maintenance Still Required

Filters must be replaced on schedule. Neglecting this can restrict water pressure or worsen water quality.

3. Not a One-Stop Solution

Most systems remove chlorine and sediment but do not filter bacteria, nitrates, or fluoride. For specialized needs, you may require a secondary system.

Need help choosing a system? Schedule a water quality consultation


Product Review: Sterling CS1 Series Whole-House Filter

One of the most reliable systems we install is the Sterling CS1 Series. It’s a configurable, high-flow filter designed for performance and ease of use.

Highlights:

  • Smart Control Valve
    The CS1 uses Sterling’s fully programmable electronic valve, giving homeowners more control over backwashing and regeneration cycles. It’s user-friendly and helps conserve water.
  • Flexible Media Options
    The CS1 is flexible—it can be configured with different media to target sediment, chlorine, chloramines, or iron, depending on your water source.
  • Minimal Maintenance
    With automatic backwashing and long media life, it’s a relatively hands-off system once installed and programmed.
  • High Flow Rates
    Designed to keep up with today’s homes, the CS1 won’t choke your pressure even during simultaneous use (showers, laundry, dishwasher, etc.).

Installation Tip:

The Sterling CS1 must be sized properly and media selected based on your home’s water chemistry. Always work with a qualified plumber who will test and size the system appropriately.

Need other plumbing services? See our Services in St. Louis


Is a Whole-House Filter Right for You?

Whole-house water filters are not just about taste—they’re about protecting your home, your health, and your investment in plumbing infrastructure. For homeowners with hard water, high chlorine levels, or older piping, the benefits far outweigh the costs.

Systems like the Sterling CS1 offer a smart balance of performance and ease-of-use. Just be sure to have a qualified professional size and install the unit properly—and stay on top of maintenance.

If you’re considering a filtration system or wondering whether one makes sense for your home, give Linek Plumbing Company a call. We’ll help you evaluate your water, weigh your options, and make an informed decision based on experience—not marketing.

Whole-house filtration isn’t for everyone—but it’s often the right choice for:

  • Homes with high chlorine levels
  • Properties using well water
  • Families concerned with skin and hair health
  • Older homes with aging plumbing systems

Let’s Talk About Your Water

At Linek Plumbing Company, we don’t sell products—we solve problems. If you’re wondering whether a whole-house filter is right for your home, schedule a consultation with one of our experienced plumbers. We’ll explain your options, and install a system tailored to your needs.

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Linek Plumbing Company
Linek Plumbing Company has been proudly serving the St. Louis area since 1916. Our licensed plumbers and service professionals share over a century of expertise, delivering dependable plumbing solutions and honest advice for homeowners and businesses alike.
Linek Plumbing Company
24 Kirkham Industrial Ct Webster Groves MO 63119

(314) 962-0956

Quality Service since 1916.