Find the Right Water Filter for Your Home
Clear advice. Better water.
Find the right water filter
for your home.
Understand your options, compare what matters, and choose your next step with confidence.
Start with your waterPractical guides for everyday households.
Find your starting point
Where do you need
filtered water?
Explore three common setups, then compare the details that matter in your home.
Below the kitchen sink
Under-sink filters
Explore systems that tuck inside a cabinet. Compare space requirements, faucet connections, and filter replacement costs.
Read the under-sink guideBrowse under-sink filters on Amazon
On your countertop
Countertop filters
Explore options that sit within reach. Check whether a model needs a faucet connection, manual refilling, or electricity.
Read the countertop guideBrowse countertop filters on Amazon
Throughout the house
Whole-house filters
Explore treatment at the main water entry. Compare flow rate, installation needs, and the substances each system is designed to reduce.
Read the whole-house guideBrowse whole-house filters on Amazon
A system’s format does not tell you everything it removes. Check the exact model’s certified reduction claims.
Before you buy
A little homework.
A better decision.
Start with your water, then match a system to your needs and the upkeep you can manage.
Read the water-testing guideBrowse water test kits on Amazon
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Understand your water
Review your utility’s water-quality report and consider appropriate tap testing. Private wells need their own testing.
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Check the specific claims
Match the model’s independently certified claims to the substances you want to reduce. No single filter handles every concern.
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Look beyond the purchase price
Include installation, replacement filters, and routine maintenance in your budget. Follow the manufacturer’s replacement schedule.
Helpful references: CDC’s home filter guide · NSF’s certified claims guide
Keep it simple
A few good questions
to start with.
Getting familiar with the basics makes the choices easier to understand.
Explore water filtration basicsDo I need reverse osmosis?
It depends on your water and what you want to reduce. Compare the model’s verified performance, installation needs, and maintenance. Our reverse osmosis and whole-house guide explains how the setups differ.
Can a countertop filter work in a rental?
Some models use a refillable tank; others connect to a faucet. Check the manufacturer’s setup requirements and any rental restrictions before choosing. Explore countertop options.
How often will I replace the filters?
Follow the manufacturer’s schedule for your exact model. Water quality and usage can affect filter life. Read the filter replacement guide.
Ready to narrow it down?
Take a closer look at the options for your home.