Cleaner Water From Every Faucet
Address common well and municipal water problems — like iron, sediment, sulfur, chlorine and more — with targeted whole house water filtration that delivers better water wherever you need it.
Why Choose Culligan Whole House Water Filters
From tackling rotten egg smells to reducing rust stains, Culligan systems provide a water upgrade throughout your home — with innovative features for added peace of mind.
Advanced Filtration
Culligan Cullneu, CULLAR® and Filtr-Cleer® filters provide targeted water filtration.
Smart Features
Use the Culligan Connect App for remote monitoring, service alerts and more.
Well Water Solutions
Our whole house water filter systems are proven to tackle the issues that concern well water users most.
Whole House Water Filtration Systems
Whole House Water Filter Benefits
With a whole house water filtration system, it's not just your drinking water that gets better — it's bathing, cleaning and cooking, too. Iron, manganese, sulfur, arsenic, nitrates and more. We recommend your well be tested so you know what is in your water.
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Cleaner and Clearer
Reduce clay, silt and other sediment that creates cloudy, dirty water.
02
Better Taste
Prevent foul tastes and odors in water caused by contaminants like iron and chlorine.
03
Protects Your Home
Neutralize acidic water to prevent corrosion and reduce iron to get rid of rust stains.
03
Flexible Solutions
Models are available to treat well water or municipal water.
Whole House Water Filtration FAQs
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A whole house water filtration system is installed where your main water line enters your home, addressing problem water issues throughout your home. These systems are designed to reduce contaminants like chlorine, iron, arsenic and sulfur, providing cleaner water for drinking, bathing, cooking and cleaning.
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The price can vary based on which water filtration system you choose, what features it includes, and the level of quality. Advanced options such as smart technology can play a role as well. As with many Culligan water systems, you can explore flexible payment plans and options — including purchasing, renting and financing.
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Water quality can vary greatly depending on where you live and where your water comes from. That’s why the best whole house water filtration system for your home might not be a great fit for someone else. When you schedule a free, in-home water consultation, your local Culligan water expert can recommend the best whole house water filtration system for your home.
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The best whole house filtration system for your home will depend on the specific contaminants in your well water.* That’s why we recommend scheduling a free water consultation with your Culligan water expert, who is familiar with local water concerns and can determine what else may be in your specific water supply. From there, they can recommend the best system for your home.
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If you are interested in improving water quality throughout your home, a whole house water filtration system may be the right fit for you. Whole house filters are designed to specifically address specific water issues that impact not just drinking and cooking but also bathing, cleaning, laundry and any situation where water is needed.
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The lifespan of a Culligan whole house water filter depends on the type of system you choose. Generally, the filtration media inside your system should be replaced based on how many gallons of water have been treated. In most Culligan whole house systems, the filtration media can last for several years; it can be replaced by your local Culligan water professional as needed.
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The size of your water filter depends on several factors, including the size of your home and the number of people living there. A Culligan water expert will walk you through the best size filter for your home during your free consultation.
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Culligan whole home water filters are designed to address specific water problems that tend to impact the whole home – drinking, bathing, cleaning, laundry and more. These targeted systems can address issues including PFAS (“forever chemicals”), iron, hydrogen sulfide (which causes a sulfur smell), chlorine, sediment, pH levels (acidity) and arsenic.
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Installed where your water enters your home, a whole home filtration system addresses specific water problems at every tap Depending on the issue you are looking to address, that means you can enjoy water that’s cleaner and clearer, tastes and smells better, reduces rust stains, prevents corrosion, or reduces harmful contaminants like arsenic or PFAS.
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Whole home systems are typically designed to address individual water problems impacting the whole home such as chlorine, iron, hydrogen sulfide and more. They’re generally point solutions that focus on a specific water quality issue rather than providing comprehensive treatment of a brand range of contaminants, which is where a drinking water solution like a reverse osmosis system would be a better fit. These RO systems are installed at the point of use, often kitchen sinks.
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When installed properly, a whole home system should not make a noticeable impact on your water pressure. However, an undersized or poorly installed filter can cause reduced water pressure. That’s why it’s important to rely on experienced, trusted professionals to help you choose and install your system.

