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The best whole house water filters in the US
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Having clean, contaminant-free water is incredibly important for the health and wellbeing of your family. While water treatment facilities work hard to provide safe drinking water, various pollutants can still make their way into your home water supply. From heavy metals like lead to carcinogenic pesticides and bacteria, these contaminants can pose serious health risks if consumed over time.
Fortunately, a whole house water filter is a great way to treat your entire home water supply, delivering clean, fresh-tasting water to all your faucets, appliances, and plumbing fixtures. This comprehensive guide will explore everything you need to know about whole house water filtration so you can choose the best system for your household's needs.
What is a Whole House Water Filter and How Does it Work
A whole house water filter is an elaborate filtration system designed to treat all the water entering your home. As the name suggests, it filters the entire water supply before distributing it throughout your house.
Unlike point-of-use filters that only treat water at specific locations (like a Brita filter attached to your kitchen faucet), whole house units purify water at the main water line. This means all your showers, sinks, washing machines, toilets, and other water-fed appliances get access to clean, filtered water.
A whole house water filter attaches to the main water line where it enters your home. Whole house filters use a multi-stage filtration process to remove a wide range of contaminants:
- Stage 1:A sediment pre-filter screens out dirt, rust, silt, and other particulate matter.
- Stage 2 An activated carbon filter absorbs chemicals, gases, odors, tastes, and colors.
- Stage 3:Specialized filters target specific water problems. For example, a UV light disinfects bacteria and viruses, while a water softener reduces hardness.
The pre-filtered water then flows into your home's plumbing system, where it can be used for drinking, cooking, showering, and in appliances. The end result is fresh, clean water throughout your entire house.
Why Choose a Whole House Water Filter
There are many advantages to filtering water at a whole house level:
- Comprehensive filtration - Treats all water instead of just one tap. This ensures every faucet and appliance gets contaminant-free water.
- Improved health -Reduces exposure to harmful substances like lead, asbestos, chlorine byproducts, bacteria, and pharmaceuticals present in tap water. This promotes better health.
- Enhanced water quality - Removes off-tastes, odors, cloudiness, and discoloration for improved aesthetics. Adds important minerals for a more balanced pH.
- Protection of plumbing -Catching sediment, rust, and scale particles preserves the lifespan of pipes, fixtures, and appliances.
- Softens hard water -Reduces mineral buildup that can damage appliances. Also prevents soap scum accumulation and dry skin.
- Saves money - Eliminates the need to buy bottled water. Reduces costly damages caused by contaminated water.
Factors to Consider When Choosing a Whole House Water Filter
With so many models on the market, selecting the right whole house water filter takes careful consideration:
Water Quality Analysis
Start by having your tap water tested to identify any problematic contaminants. Common issues include:
- Hardness (dissolved calcium and magnesium)
- Chlorine
- Particulate matter like sediment
- Toxic metals such as lead or mercury
- Pesticides and herbicides
- Iron
- Bacteria and viruses
- Foul tastes and odors
Knowing your water's contaminants will help you choose a filter capable of removing them. Many municipalities provide free testing, or you can purchase a home test kit.
Household Size and Water Usage
Consider how much water your household uses daily. Large families with heavy usage need a filter with a high flow rate and large contaminant removal capacity. Standard filters accommodate 15-20 gallons per minute (GPM), while lighter and moderate use can get by with 9-12 GPM.
Filtration Stages
More filter stages mean more thorough contaminant removal. The best systems have at least three stages - sediment prefilter, activated carbon, and specialized stage(s) like UV sanitation. More stages allow the system to tackle multiple water problems at once.
Filter Life
The filter media that removes contaminants needs regular replacement. Filter life is measured either in months or gallons filtered. Opt for longer-lasting filters to minimize maintenance. Activated carbon filters typically last 6-12 months.
Certification
Choose third-party certified filters that meet safety and performance standards. NSF International, Water Quality Association, and the American National Standards Institute are examples of reputable certifiers.
Maintenance Needs
Some filters are relatively maintenance-free, while others require cartridge changes, backwashing, or professional servicing. If you want a low-maintenance system, avoid units needing frequent attention.
Some Best Whole House Water Filter Systems
Thousands of whole house water filters are on the market, making it tricky to narrow down the options. To simplify your buying decision, here are 5 of the best whole house water filters recommended by experts:
Aquasana Whole House Water Filter
3-stage filtration - sediment, activated carbon, and Aquasana's patented salt-free water softener.Removes over 97% of chlorine and reduces heavy metals like lead and mercury.Filters an impressive 1,000,000 gallons before needing replacement.Certified by NSF, Pace, and Water Quality Association.
Aquasana is one of the most trusted brands when it comes to whole house water filtration. Their EQ-1000 model combines solid contaminant removal with long-lasting filter media that only needs replacing every 3-5 years for most households. It's an effective and low-maintenance option perfect for homes with chlorinated city water.
At under $1,000, the iSpring WGB32BM is an affordably priced whole house system with great performance. The sediment and dual carbon block filtration paired with the softener make it ideal if you have hard well water with high sediment and chlorine content. It's a workhorse filter at a reasonable price point.
Pelican PC600 Whole House Filter
3 stage filtration - polypropylene sediment, activated carbon, and ceramic depth media -Reduces pesticides, herbicides, chlorine byproducts, asbestos fibers and other chemicals -Filters up to 20 gallons per minute for larger households -NSF Standard 42 and 53 certified.
This workhorse whole house system combines premium filtration media with a high flow rate capacity, making it a smart choice for large households of 4-5+ people. The ceramic depth filter is an especially nice touch, improving filtration longevity over standard activated carbon.
iSpring WGB32BM Whole House Water System
3-stage filtration - 5-micron sediment reduction, activated carbon, and catalytic carbon for chlorine and chloramines -Built-in water softener using a non-salt ion exchange resin -Filters 120,000 gallons or 1 year -Certified by NSF, ANSI, and WQA.
Culligan WH-HD200-C Whole House Filter
Filter stages include sediment, activated carbon, and scale control media. Specialty focuses on reducing sediment, lead, chlorine, and hardness. Built-in by-pass valve for easy filter changes. It is certified by WQA to NSF/ANSI Standard 372.
Culligan is a leader in water softeners, so it makes sense their whole house system does an excellent job at controlling scale and hardness. The heavy-duty construction and bypass valve also make servicing and replacements more straightforward. It's a great option if hard water mineral deposits are your main concern.
Whole House Filters vs. Point-of-Use Filters
While point-of-use filters like faucet mounts, pitchers, and under sink units can improve water at a specific tap, whole house systems have clear advantages:
Whole House
- Treats all water in the home
- Continuously filters, no need to refill containers
- Convenient - no separate filters to install at each tap
- Cost-effective long term for homes with 3+ people
Point-of-Use
- Cheaper upfront cost
- Portable, easy to install at one faucet
- Good for small households with 1-2 people
- Allows for targeted filtration at a single point of use
Whole house units make more sense if you have ongoing water quality issues affecting your entire home and 3+ people in your household. For minor contaminants or very small households, a point-of-use filter may be sufficient.
The Benefits of Investing in Whole House Water Filtration
Installing a comprehensive whole house water filter provides a wide range of benefits for your home and family:
- Improved Health and Wellness -Removing contaminants like lead, pesticides, chlorine byproducts, and bacteria from your water has significant health advantages. Whole house filtration minimizes toxin exposure from bathing, cooking, and drinking.
- Better Tasting, Odorless Water - Common chemicals like chlorine can cause unpleasant tastes and smells. A whole house system creates clean, fresh tasting water for all your needs.
- Softened Water for Hair and Skin -Hard water with excess minerals can dry out skin and hair. Whole house water softening restores softness while reducing mineral scale on fixtures.
- Added Home Value -Improving your home's water quality with a whole house filter increases resale value. It shows home buyers you care about health and maintenance.
- Peace of Mind -Perhaps the greatest benefit is the reassurance that your household is protected by a filtration system keeping your water as clean and healthy as possible. This peace of mind is invaluable for many homeowners.
While the upfront cost of a whole house water filtration system may give pause, keep in mind the long-term savings and added benefits to your family's health and quality of life. Few home upgrades provide returns—both measurable and intangible—like those offered by whole house water filters. The security of knowing your water is contaminant and toxin-free is comforting in itself.
FAQs of the Whole House Water Filters
Q: Where should the whole house filter be installed?
A: It should be installed on the main water line entering your home, usually the cold water line coming from the well or municipal connection. Install it before the line branches off to appliances.
Q:How often do filters need to be changed?
A: For most systems, change sediment filters annually and activate carbon filters every 6-12 months. Other media like UV lamps need replacement every 2-3 years.
Q: Can well water be effectively filtered?
A: Yes, whole house filters are excellent for removing iron, hydrogen sulfide odors, manganese, tannins, and other common well water contaminants.
Give Your Household Peace of Mind with Clean Water
Safe, contaminant-free water is a necessity, not a luxury. A whole house water filter delivers complete filtration for total home water quality assurance.
While the initial investment may seem high, keep in mind a whole house filter saves money over time. It also prevents the health risks and accumulated costs of consuming polluted tap water. For families concerned about optimizing their health and well-being through good hydration, whole house filtration brings an invaluable level of convenience and reassurance.


