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Whole House Water Filtration System vs. Under-Sink System: Which Is Right for You?

  • Writer: Lunar Graphics
    Lunar Graphics
  • May 21
  • 3 min read

Water quality matters, especially in Colorado Springs, where hard water, chlorine, and other contaminants can affect your health, appliances, and plumbing. But when it comes to choosing the right solution, homeowners often face a tough decision—should you install a whole house water filtration system or an under-sink water filter system?

At Rocky Mountain Plumbing Services, we understand that every home is different, and your water filtration needs depend on your water quality, budget, and health concerns. This guide will help you understand the differences between these two systems, their benefits, and which one is right for your home.

What Is a Whole House Water Filtration System?

A whole house water filtration system is installed at the main water line entering your home, meaning it filters all the water that flows through your plumbing system. This means every faucet, shower, washing machine, and appliance benefits from clean, filtered water.

How It Works:

  • Water enters your home through the main water line.

  • The filtration system removes contaminants like chlorine, sediment, heavy metals, and bacteria.

  • Clean, filtered water is distributed to every fixture in your home.

Common Types of Whole House Water Filtration Systems:

  • Carbon Filters: Remove chlorine, pesticides, and volatile organic compounds (VOCs).

  • Sediment Filters: Capture dirt, sand, rust, and larger particles.

  • Reverse Osmosis Systems: Remove a wide range of contaminants, including heavy metals and bacteria.

  • UV Purification Systems: Use ultraviolet light to kill bacteria and viruses.

Benefits of a Whole House Water Filtration System:

  • Comprehensive Coverage: Every tap and fixture delivers clean, filtered water.

  • Protects Appliances: Prevents mineral buildup in water heaters, dishwashers, and washing machines.

  • Improved Skin and Hair Health: No more exposure to hard water minerals or chlorine in the shower.

  • Better Tasting Water: Your drinking water, ice, and even cooked food benefit from filtration.

Is a Whole House Water Filtration System Right for You?

This system is ideal if:

  • You want to ensure clean water throughout your entire home.

  • You have hard water issues affecting your plumbing and appliances.

  • You want to reduce exposure to contaminants in the shower and kitchen.


    Person in blue uniform holding a clear water filter cartridge over a sink with plumbing tools. Blue and red components visible.
    Water filtration system being installed

What Is an Under-Sink Water Filter System?

An under-sink water filter system is a compact, point-of-use filtration system installed beneath a kitchen sink. It provides clean, filtered water directly from a designated faucet, usually for drinking and cooking.

How It Works:

  • Water flows through a filtration unit under the sink.

  • Contaminants like chlorine, sediment, and heavy metals are removed.

  • Filtered water is dispensed through a separate faucet.

Types of Under-Sink Water Filter Systems:

  • Carbon Filters: Effective for removing chlorine, bad tastes, and odors.

  • Reverse Osmosis Systems: Offer multi-stage filtration for maximum purity.

  • Inline Filters: Compact and easy to install, ideal for quick filtration needs.

Benefits of an Under-Sink Water Filter System:

  • Affordable: Lower upfront cost compared to whole house systems.

  • Targeted Filtration: Ideal for drinking and cooking water.

  • Easy Installation: Can be installed without major plumbing changes.

  • Customizable: Different filter types for specific contaminants.

Is an Under-Sink Water Filter System Right for You?

This system is best if:

  • You only need clean, filtered water for drinking and cooking.

  • You want a more budget-friendly option.

  • Space is limited, and you prefer a compact solution.

Whole House Water Filtration System vs. Under-Sink System: Key Differences

Feature

Whole House System

Under-Sink System

Coverage

Filters water throughout the entire home

Filters water at one faucet

Installation

Installed at the main water line

Installed under a sink

Cost

Higher initial cost, but comprehensive

Lower cost, more affordable

Maintenance

Annual filter changes, some may require electricity

Simple filter replacement

Best For

Families with multiple bathrooms and appliances

Drinking and cooking water in the kitchen

Health Benefits

Protects skin and hair, clean water for showers

Clean, safe drinking water

Why Choose Rocky Mountain Plumbing Services for Installation?

Whether you’re leaning toward a whole house water filtration system or an under-sink water filter system, it’s crucial to choose a provider who understands water quality and plumbing in Colorado Springs. At Rocky Mountain Plumbing Services, we offer:

  • Over 10 years of water treatment expertise dealing with problematic water

  • Customized Filtration Solutions: We help you choose the right system for your home.

  • Expert Installation: Our experienced plumbers ensure seamless, leak-free installation.

  • Ongoing Support: We provide maintenance and filter replacements to keep your system running smoothly.

Which System Is Right for You?

Choosing between a whole house water filtration system and an under-sink water filter system ultimately depends on your needs and budget. If you want clean, filtered water throughout your home—including in your showers, laundry, and appliances—a whole house system is the best choice. If you’re primarily concerned with improving the quality of your drinking water, an under-sink system may be more practical.

Still unsure? Our team at Rocky Mountain Plumbing Services can help you decide with a professional water assessment and personalized recommendations.

Ready for Clean, Healthy Water? Contact Us Today!

Don’t settle for hard water or questionable tap water. Contact Rocky Mountain Plumbing Services for a free consultation and let us help you choose and install the best water filtration system for your home in Colorado Springs and surrounding area.

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