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Ever turned on a tap to fill a glass of drinking water and wondered about what’s really in the water? You’re not alone. An increasing number of homeowners are concerned about the quality of their water. This is why they’re investing in effective water filters and exploring the available options. Even if your tap water meets the required standards, it may still contain contaminants and impurities that must be removed. Here at Mr. Rooter Plumbing, we’re committed to helping you improve your water quality by offering professional water filtration installation.

There are two main contenders when it comes to water filtration options: whole-house and under-sink water filters. As an experienced plumbing service with years of industry experience, we understand how both options work. In this guide, we’ll help you understand exactly what these water filters offer and how to choose the right one for your home.

Under-Sink Water Filters

Under-sink water filters are installed directly under a kitchen or bathroom sink and filter water at a single point of use. These systems are ideal if your primary concern is drinking water or cooking water quality.

Advantages

  • Targeted Filtration: Delivers filtered water directly to your kitchen or bathroom tap.
  • Cost-Effective: Less expensive to purchase and install than whole-house systems.
  • Compact Design: Fits neatly under the sink, saving space and maintaining a clean aesthetic.
  • Easy Maintenance: Cartridge replacement is simple and usually doesn’t require professional help.

Limitations

  • Only filters water at a specific location. Other household taps, showers, or appliances will still use unfiltered water.
  • Limited capacity compared to whole-house systems; may require frequent cartridge changes in high-use households.

Whole-House Water Filters

Whole-house water filters, also called point-of-entry systems, are installed at the main water line entering your home. Every faucet, shower, and appliance receives filtered water.

Advantages

  • Comprehensive Filtration: Protects your entire home from sediment, chlorine, and other contaminants.
  • Protects Appliances: Reduces scale and buildup in water heaters, dishwashers, and washing machines.
  • Improved Shower Experience: Removes chlorine and chemicals, which can improve skin and hair health.
  • Long-Term Investment: Cartridge or media replacements are less frequent than under-sink systems, especially for large-capacity units.

Limitations

  • Higher upfront cost and more complex installation, often requiring professional plumbing services.
  • Larger system footprint and may require additional space in your utility area.

Which One Is Right for You?

The choice depends on your priorities:

  • Under-sink filters are best if your main goal is high-quality drinking and cooking water without modifying your entire plumbing system. They are ideal for renters or smaller households.
  • Whole-house filters are ideal if you want clean water throughout your home, protect appliances from sediment or scale, or have multiple water quality concerns affecting showers, laundry, and taps.

Many homeowners combine both systems—using a whole-house filter to remove sediments and chlorine and an under-sink filter to provide extra purification for drinking and cooking water. Consult with a local plumbing service if you need help with selecting the right water filtration system for your home.

Contact The Pros at Mr. Rooter Plumbing for Water Filtration Installation

Choosing the right water filtration system for your home can have a considerable impact on your daily life. If you’re looking for local licensed and insured plumbers to install a water filtration system in your home or business, look no further than Mr. Rooter Plumbing. Our specialists have years of experience under their belts and have worked with all types of water filtration systems, including reverse osmosis systems, ion exchange systems, activated carbon filters, and many more. With a commitment to professionalism and quality workmanship, you can count on our skilled plumbers to do an exceptional job. Contact us today to book an appointment for water filtration installation.

Dec 04, 2025

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Wonderful company.  Never talked me into something i didn’t need.  I recommended this company to a friend of mine.  No hidden fees.  Pictures were taken and were showed to me with a simple to understand explanation. Kitchen plumbing was leaking all over the floor and even managed to seep through the walls to the sidewalk.I highly recommend Mr. Rooter!

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