Best Water Filter Buying Guide

The water that comes out of your household tap travels through miles of pipes, aquifers, and treatment systems before landing in your glass. One of the easiest ways to boost the quality of that water is by using a water filter, whether under your sink, in your fridge, or on your countertop.

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While many people buy water filters simply to improve the taste or appearance of their tap water, filtering your drinking water can also help protect you from harmful contaminants. A joint Consumer Reports-Guardian US news organization investigation revealed that 118 of 120 tested locations across the U.S. had detectable amounts of lead, arsenic, or PFAS (per- and polyfluoroalkyl substances linked to significant health problems) above CR's recommended maximum levels. Those sampled water systems served more than 19 million people.

An in-home water filter can not only protect against harmful contaminants but also improve the taste of your tap water. Drinking-water complaints often relate to taste and smell, and we test flavor and odor reduction in our ratings for water filter pitchers, under-sink water filters, faucet-mounted filters, and countertop filters. Our ratings also include reverse osmosis water filters from previous testing.

In addition to refrigerator water filters, pitcher-style filters are popular; these are the kind you fill from the tap and keep in your fridge. They’re easy to use, require no installation, and take up less space than more permanent options. They’re also relatively economical, with most costing less than $50.

Faucet-mounted water filters attach directly to your tap, while countertop water filters connect to your tap via a hose that diverts water through a small sink-side purifying device equipped with a spout. Both typically filter using granulated activated carbon cartridges that remove contaminants before water leaves your tap. These options are ideal for apartment dwellers as they don't require plumbing installation. Faucet-mounted filters often cost less than $50. Countertop filters can cost $80 or more, depending on the filtration system used.

Under-sink water filters are more expensive, ranging from under $100 to $700. They hide discreetly and filter a higher volume of water at a greater flow rate. They may require custom plumbing or sink or countertop alterations for the water dispenser. But if convenience is important to you, under-sink filters are a reliable choice.

Is Filtered Water Healthier than Tap Water?

Filtered water is often preferred over tap water due to taste and safety concerns. Shima Chin-See, from Northwich, UK, avoids drinking water directly from the tap, preferring filtered options provided by her refrigerator and a self-cleaning bottle that sterilizes water using ultraviolet light.

"Filtered water just tastes better," says Chin-See. "I can smell and taste the chemicals in tap water."

Research supports her feelings; a non-profit organization found that half of the 2,800 people surveyed across the U.S. believed their tap water was unsafe, with nearly 35% filtering their water.

Similarly, a UK survey revealed that 42% of respondents don't trust or like the taste of tap water, leading more than half of Londoners (54%) to use a water filter.

In general, there is a growing trend in North America, Europe, and China for water purifiers, with the market estimated to be worth $30 billion and projected to grow more than 7% in the coming years.

Filtered water is thought to be beneficial for numerous reasons, including removing toxins and pathogens, but is it truly healthier than tap water?

Various Types of Water Filters

For those who prefer to filter their water, a range of systems is available: pitcher-style filters, tap-mounted filters, countertop or refrigerator purifiers, and under-sink models. Simple systems cost only a few dollars, while more complex devices can reach four figures.

Water filters primarily fall into two groups: point-of-use filters, which treat water just before it's consumed, and point-of-entry filters, which treat water at the entry point of a house. Filters also differ in materials and technologies used, including adsorption, ion exchange, reverse osmosis, and mechanical separation.

A Last Line of Defense

The potential advantages of filtering tap water depend on geographical location. In developing countries, access to clean drinking water remains a challenge, with diseases from contaminated water causing significant health issues.

In Western countries, tap water is typically regulated and considered safe, yet some contaminants may escape filtration processes. Residents in these areas may still find benefit in using filters to remove remaining impurities.

Water Purification Faucet can provide additional safety and peace of mind, delivering cleaner drinking water.

Despite regulations, it can still be essential to utilize filters to eliminate harmful chemicals that may linger in the water supply.

Stopping Forever Chemicals

Concerns about PFAS chemicals are growing, and certain filters, like reverse osmosis and two-stage systems, have proven effective in removing these harmful substances.

However, it's crucial for consumers to be aware that some water filters may unintentionally strip beneficial minerals from water. Reverse osmosis systems can sometimes deplete important elements like magnesium and calcium.

Ultimately, staying hydrated is key. If you're worried about water quality, investigate water testing options and find an appropriate filter that meets your needs. Always check for certification to ensure efficacy.

At Wholesale Whole House Water Filtration Systems, we provide systems suited for various needs and will help you find precisely what you're looking for.