Water Filters

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Learn More About Water Filters

Our Mission Is to Bring Great Tasting Filtered Water to Every Home

Clean water is not a luxury — it’s a basic human need. Home Water’s industry-leading, impurity-reducing water filters make access to clear, purified water easy, effective, accessible, and affordable.

How to Choose the Best Water Filter for Your Home

There are many different types of water filters available, and it can be confusing to decide which kind is best for you. Here are some steps to consider when determining what type fits your specific needs.

1. Look for the NSF Rating

NSF International is an independent organization that develops public health standards for products. They rate water filters and assign them a number based on the contaminants they remove. You can check for NSF certification on the label or look up specific products in the NSF database online to see what they are certified to protect against. Common NSF ratings include 42, 53, and 372. [1]

2. Check the Pore Size

Another crucial consideration in a water filter is pore size. That’s the size of the tiny holes in a filter that let water through. It works like a strainer or colander; smaller pores can keep smaller contaminants out. If a filter has a pore size of 1 micron, that means it will stop all contaminants larger than 1 micron. In short, the smaller the pore size, the better. [2]

Our high-performance, industry-leading water filters use 0.5 micron filtration to remove contaminants while allowing beneficial minerals to pass through.

3. Know What’s in Your Water

Knowing what contaminants could already exist in your water is critical when deciding what type of water filtration system will best meet your needs. Learning about your water source will help you determine what you might need to protect against. If you get your water from a public system, your municipality is required to provide you with an annual report on the quality of your drinking water. This report, called a Consumer Confidence Report (CCR), is sent by July 1 of every calendar year and will come with your water bill. [3]

If you get your water from a private well or cistern, have your water tested by a state-certified lab at least once a year. Make sure that they test for total coliform bacteria, nitrates, total dissolved solids, and other contaminants common in your area as well as PH levels.

If you sign up with Home Water’s Water Filtration subscription service, we’ll send a professional tester to your home to test your water for free! You’ll see the difference purified water makes with your own eyes.

4. Consider Which Filter Best Fits Your Home, Lifestyle, and Budget

Common water filter types include pitchers, faucet-mounted filters, on-counter filters, under-sink filters, and whole-house treatment units. Pitchers are the cheapest and most common, but they’re also the least effective. [4] Often, they will only slightly improve the taste of tap water without doing anything to improve its health qualities.

Under-sink filters are installed under your sink and send water through a pipe to the filter’s own specially installed faucet. They don’t take up much counter space and can handle a higher volume of water than pitcher and faucet-mounted units. However, they will require some plumbing knowledge to install and will only purify the water in one sink.

Whole-house treatment units treat all the water your home uses — sinks, showers, dishwashers, and washing machines. Whole house units are the most comprehensive home water purification systems available; however, they are more expensive and may require professional installation. [5]

Fortunately, when you choose one of Home Water’s top-quality under-sink or whole-house water filters, installation is included. No knowledge of plumbing or expensive tools are needed; we’ll send a professional to your house to install your system for you.

What’s in a Water Filter?

There are several kinds of water filters to choose from. Our cutting-edge water filters use high-quality activated charcoal to remove chlorine, scale, and many other contaminants. We sell and rent industry-leading water filters that deliver great-tasting, filtered water to every tap in your home.

What Do Water Filters Remove?

Different water filters reduce different chemicals, toxins, and impurities. Some can make your water taste better, while others can filter out harmful contaminants. There are many different types of filters available, but Home Water will work with you to find out which of our high-quality water filtration systems is best for your home.

Are Water Filters Bad for the Environment?

No, on the contrary! Water filters are much better for the environment than plastic water bottles. Every glass of water you fill from your own home tap is one less plastic bottle that ends up polluting our environment. If you sign up with Home Water’s subscription service, we’ll provide you with a free water bottling kit using BPA and phthalate-free glass bottles. This kit allows you to bottle your own water and help keep plastic waste out of our landfills and oceans. [6]


  1. NSF Standards for Water Treatment Systems. NSF International.
    http://www.nsf.org/consumer-resources/water-quality/water-filters-testing-treatment/standards-water-treatment-systems. Accessed September 29, 2019.
  2. Ultrafiltration, Nanofiltration and Reverse Osmosis. Safe Drinking Water Foundation.
    https://www.hinesburg.org/water-project/safewaterdotorg-info-nano-and-ultrafiltration-reverse-osmosis.pdf. Accessed September 29, 2019.
  3. Choosing Home Water Filters & Other Water Treatment Systems: Part 1. Centers for Disease Control and Prevention.
    https://www.cdc.gov/healthywater/drinking/home-water-treatment/water-filters/step1.html. Updated June 3, 2014. Accessed September 29, 2019.
  4. Choosing Home Water Filters & Other Water Treatment Systems: Part 2. Centers for Disease Control and Prevention.
    https://www.cdc.gov/healthywater/drinking/home-water-treatment/water-filters/step2.html. Updated June 3, 2014. Accessed September 29, 2019.
  5. Choosing Home Water Filters & Other Water Treatment Systems: Part 3. Centers for Disease Control and Prevention.
    https://www.cdc.gov/healthywater/drinking/home-water-treatment/water-filters/step3.html. Updated June 3, 2014. Accessed September 29, 2019..
  6. The Facts. Plastic Oceans International.
    https://plasticoceans.org/the-facts/. Accessed September 29, 2019..