If you have concerns regarding the quality of your water, there are a number of water treatment solutions, including countertop or under-sink filters, faucet filters, shower filters, and even pitcher filters. Most unfiltered tap water has hundreds of contaminants that may be harmful when consumed. If you want all of your water, from the kitchen, bathroom, tap to be safer and cleaner for different uses, it may be a good idea to use a whole-house water filtration system to remove contaminants as soon as the water enters your home.
There are a wide variety of whole house water filters available that target different contaminants, and it’s essential to find the right one for your household depending on your water quality and the flow rate you need. In the following table, we have a summary of our top 8 picks for every type of home. Then, we’ll discuss the important features you must consider, as well as the basic steps you will take to ensure that the system you choose will work effectively for a long time.
Top 6 Best Whole House Water Filters
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Best Whole House Water Filter Reviews
Best Overall: SpringWell CF1 Whole House Water Filter System
When talking about water filtration systems, SpringWell is a top pick for many. They offer some of the highest rated systems at a reasonable price. The SpringWell CF1 Whole-House Water Filter System is certified to reduce most contaminants in your water, keeping it clean and safe for household use. The system uses catalytic carbon coconut shell filtration media to remove harmful chemicals such as heavy metals, chlorine, chloramine, PFOA and PFOS, pesticides, herbicides, and other pollutants.
The CF1 is equipped with SpringWell’s proprietary ActivFlo filtration technology which utilizes four filtration materials in two canisters. The four stage design ensures a more thorough filtration and longer filter lifespan. The first stage of this system occurs in the 5-micron sediment filter (the little blue canister). Water passes through this filter first to remove sand, silt and other larger particles. In the second stage, water passes through the KDF filter media, a copper/zinc alloy which can remove up to 99% of harmful chemicals like chlorine, mercury, lead, and other heavy metals. Next, water passes through the carbon media which further removes contaminants including heavy metals, pesticides, herbicides, and other organic compounds. Finally, this system has an additional flex bed designed to eliminate channeling and maximize contact time between the water and the filtration media, giving more time for the filter to remove any remaining impurities.
If you need a solution for hard water, SpringWell also offers additional (or individual) water softeners, either salt-based or salt-free. Furthermore, you can opt for an added UV Purifier with your water filter system. It can eliminate viruses and bacteria that a water filter simply cannot handle.
As for the installation of SpringWell systems it’s always a good idea to hire a professional for the job. But if you’re a handy DIYer with the necessary mechanical skills, the SpringWell whole house water filter system may be easy enough to install by yourself. The system itself requires little to no maintenance. It filters up to a million gallons of water (or around 10 years of use) before you will need to replace the filtration media. Although, the 5-micron filter must be replaced after six to nine months. Most importantly, SpringWell offers a 6-month money-back guarantee as well as a lifetime warranty on all parts.
Check the price and availability on springwellwater.com.
Best All-in-One Filtration System: Aquasana EQ-1000-AST-UV
Our second pick comes from another leading brand in the water filtration industry. Since 1997, Aquasana has offered NSF tested and certified water filtration systems for a variety of purposes. The Aquasana EQ-1000 (or EQ-600) is designed for whole house filtration, filtering up to a million (or 600,000) gallons of tap water. This system includes four stages of filters, a salt-free water conditioner, and a UV filter to answer all of your water treatment needs.
As with a lot of whole-house filters, the Aquasana water filtration system features a separate sediment pre-filter, carbon and KDF filtration cartridges, and a post-filter. First, water passes through the pre-filter which captures large particles such as rust, sediment, and silt that can clog your system. Next, it goes through the salt-free water conditioner, preventing minerals from binding and forming scale build-up to protect your pipes, faucets, and appliances. Then, the main filtration process occurs in the dual tank filter. It removes 97% of chlorine, chloramine, and reduces contaminants. Then, the Post-Filter reduces any remaining sediment and organic particles before the water goes to the UV filter. Finally, the UV purifier kills viruses, bacteria, and 99.9 percent of other microorganisms, including E.coli, and chlorine resistant cysts like Cryptosporidium and Giardia.
This Aquasana system can be purchased as a filter alone with an additional water conditioner and UV filter. With all these features, the whole system may be quite difficult to install. It’s recommended to get the add-on pro grade install kit and hire a plumber to make sure it’s installed properly. The filter media lasts up to 10 years depending on usage, and the water conditioner up to six years, but the pre-filter must be replaced every two months, the post-filter every six months, and the UV lamp every 12 months. Also, if you want all these features in your system, prepare to spend a lot more than your typical whole-house water filter. Aquasana is certainly more pricey than our top pick SpringWell. Replacements aren’t cheap either, but with an Aquasana filter, you can be sure that you only get clean water throughout the house.
Best Water Filter with Softener: Pelican PSE-1800-P
If you are in search of a water treatment system that will provide both filtration and water softening for the whole house, then the Pelican Whole House Water Filter and Softener Alternative may be the best option for your home. This system combines two of Pelican Water’s whole house water system, while a UV purifier may also be added, similar to the Aquasana system.
This Pelican whole house filter system includes a premium carbon filtration tank consisting of four stages of water filtration to remove chlorine, chloramine, and other harmful chemicals in your household water. The tank is built to last long with its durable stainless steel structure. The sediment pre-filter comes already installed inside the filter housing for quick and easy set up and usage. In addition, this water treatment solution comes with the Pelican NaturSoft system. This salt-free water softener alternative processes hard water that has already been filtered to remove minerals that may damage your appliances.
With the Pelican PSE-1800 and PSE-2000, you can get up to 600,000 gallons or 1,000,000 gallons of filtered water, respectively. The water undergoes multiple stages of filtration and softening. Firstly, it passes through the sediment pre-filter, which eliminates sand, dust, rust, or any other large particles in the water.
It then flows into the carbon series filter, which consists of three stages of filtration: two stages of granulated activated carbon media, which make use of adsorption to catch impurities, and one stage of copper and zinc oxidation media, which uses KDF to replace electrons of contaminants to make them safer. These stages of filtration remove chemicals, pesticides, industrial solvents, and other contaminants. Next, water flows through the Pelican NaturSoft system, a salt-free water softener alternative that has been tested and certified 99.6% effective in hard water scale prevention.
The Pelican NaturSoft Water Softener Alternative uses salt-free technology to neutralize minerals such as calcium and magnesium, from hard water, as opposed to salt-based water softeners which remove them completely. Since the minerals have been neutralized, they remain in the water in a crystallized form that will not cause scale in your pipes and appliances. For your assurance, this water softener alternative was approved by the WQA Gold Seal Certification Body.
This Pelican Water System is Certified to NSF Standard 42 for the removal of 97% chlorine taste and odor, and NSF 61 for material safety. It comes with everything you need for installation, including connections and fittings. Considering all the features packed into this whole house combo, you can expect a premium price for each purchase. It’s also recommended to hire a professional for the installation.
Premium Option: AquaOx Home Water Filtration System
If you want a truly long-lasting and low-maintenance whole house water filter, AquaOx makes the industry’s longest-lasting water filtration systems with an average lifespan 20 years and no filter replacements ever. The AquaOx whole house water filter has a capacity of up to 2 million gallons, lasting up to 20 years in a household of four. The unit includes a 90 micron, self-cleaning pre-sediment filter. To ensure thorough removal of water contaminants, the system employs multiple types of media including KDF, garnet, catalytic carbon, coconut shell carbon, and filter-AG.
AquaOx removes over 200 different contaminants such as chlorine, chloramine, mercury, lead, TTHMs, VOCs and pharmaceuticals. Made in the USA with NSF certified components, its proprietary blend of filtration media offers maximum filtration. With three times the surface area compared to other filters, the AquaOx provides a more complete contaminant removal. The double Vortech tank uses technology that allows for a self-cleaning backwash every four days, which extends the life of the filter. The sediment pre-filter also self-cleans, so you can enjoy clean, filtered water throughout your home for a long time with virtually no maintenance. All you need to do is set the timer for the backwash, and about once a month the pre-sediment filter will need to be flushed. This will all take less than a minute of your time and zero additional cost.
The AquaOx whole house filtration system comes in two different sizes: 2,000,000 gallons for homes with up to 4.5 bathrooms, and the XL version (3,200,000 gallons) for residential or commercial buildings with up to 11 bathrooms. There is absolutely no maintenance involved. The system is completely set and forget it. You can also include a (salt-based) water softener, which lasts up to 10 years, or a Disinfection Filter (which uses Quantum Disinfection technology instead of UV) to kill bacteria and viruses in well water.
Considering its long-lasting filter life, AquaOx comes at a premium price with a 10-year warranty and a one-year guarantee to assure you of its excellent performance.
Check the price and availability on aquaoxwaterfilters.com.
Best 3-Stage Filter: iSpring WGB32B Whole House Water Filtration System
If you need a more varied whole-house water filtering solution to a range of contaminants, iSpring offers effective water filtration systems in two to three stages. The WGB32B can remove up to 95% of the contaminants in your water, including chlorine, sediment, rust, and organic chemicals like pesticides, herbicides and industrial solvents.
This filtration system has a capacity of 100,000 gallons or six months up to one year of use. It uses a high capacity multi-layer polypropylene sediment filter which removes particles down to 5 microns. The next two stages employ CTO carbon blocks which use high quality coconut shell carbon for maximum filtration efficiency and filter life. The carbon filter removes 95% of contaminants including chlorine, chloramine, herbicides, pesticides, rust, and other harmful chemicals in your water. Both types of filters are tested and certified to NSF/ANSI standards for the removal of 99% chlorine taste and odor and reduction of sediments and other contaminants by up to 96%.
Alternatively, you may opt for the WGB32BM which comes with an iron and manganese filter in place of the second carbon filter; the WGB32B-PB with a lead-reducing filter; or the WGB32B-KS with a GAC+KDF filter to reduce heavy metals in your tap water. Filter cartridge replacements are available in sets of three or individually, depending on your need. Each cartridge lasts from 6 to 12 months in an average household.
The system uses one-inch input and output ports that allow up to 15 gallons of water to pass per minute, producing zero wastewater. This three-stage filter comes pre-assembled, so you’ll only need to connect it to your main water line. DIY or professional, it’s fairly easy to install. The system comes with a one-year warranty and 30-day guarantee, which is a standard for multi-stage filters of its kind.
Best for Well Water: Home Master 3-Stage Whole House Filtration System
The Home Master HMF3SDGFEC three-stage filtration system features a filter that tackles iron, manganese, and sulfur, the most common contaminants in well water and greatly improves water quality for safe and worry-free consumption. This well water filtration system comprises three stages of water treatment. Its combination of multi-gradient sediment, radial flow iron, and radial flow carbon filters reduce iron, manganese, and hydrogen sulfide in your water.
The first stage consists of four layers of filtration that can keep out sediments as small as 25, 10, 5, and 1 micron. The finest traces of sand, rust, dirt, and other larger particles are removed in this stage. The second stage features an iron reduction filter that can remove 95% of iron, manganese, and hydrogen sulfide up to 3ppm. This stage prevents rust in your pipes, water heater, dishwasher, and washing machine, and orange stains on your sink, toilet bowl, and ceramic ware. In the third stage, the radial flow granular activated coconut shell carbon filter removes chemicals such as chlorine and organic compounds, pesticides, herbicides, and other harmful contaminants as well as fouls odors and tastes.
With NSF-certified components, theHome Master system and replacement filters may be more expensive than most other similar models, but the quality makes it well worth its price. It filters up to 100,000 gallons of water or up to one year of use for an average household. With one-inch inlet and outlet ports, it provides clean water up to 15 gallons per minute. Installation is not too difficult for most DIY users, but it’s probably best to hire a plumber for the job. You may also want to get your water tested first to make sure you use the right system for filtration.
Best Heavy Metal FIlter: Express Water 3-Stage Whole House Water Filter
Similar to the iSpring water filtration systems, Express Water offers a variety of filters to target a specific range of contaminants, particularly in well water sources. This three-stage whole-house water filter is designed to remove heavy metals in your tap water, especially if it comes from a well. The Express Water system comes with three different cartridges, each filtering up to 100,000 gallons of water before needing to be replaced.
The first stage of filtration features four layers of food-grade polypropylene microfiber to remove sediment, sand, rust, dirt and other particles down to 5 microns. The second stage is a KDF85 filter made with catalytic carbon and ionically charged copper and zinc granules. This stage is responsible for capturing heavy metals such as iron, lead, chloramine, arsenic, sulfur, mercury, and aluminum, as well as algae, viruses, and microorganisms. The final stage is the activated carbon block (ACB) which removes chlorine, pesticides, pharmaceuticals, and other chemicals, improving the taste and drinkability of the water.
Other models include a granular activated carbon (GAC) which removes organic compounds, or a Phosphate filter which prevents the corrosion and formation of scale (acting as a water conditioner), in place of the KDF filter. Depending on the water quality and usage, the filters may last from six to nine months, or even up to a year.
This filter has a high flow rate of 15 gallons per minute as well as one-inch connections for installation. The system is constructed with a free-standing stainless-steel frame for long term durability and easier cartridge replacement. It comes with a one-year warranty and lifetime support from Express Water manufacturer.
Best Inline Filter: 3M Aqua-Pure AP904 Whole House Water Filter System
If multi-stage water filtration systems seem like too much trouble for you, the 3M Aqua-Pure AP904 offers a simple, compact, and affordable solution fit for most average homes. While most other systems use two separate cartridges for the sediment and carbon filters, the AP904 combines the two in one durable housing secured and connected to your pipe by a 304 stainless steel head. Its design simplifies storage, installation, and maintenance, saving you precious time and space.
Aqua-Pure is certified to NSF 42 Standards for chlorine removal. The AP904 also reduces scale to protect your pipes and appliances. The filter cartridge typically lasts one whole year, providing you 100,000 gallons of clean water. Unlike other water filters with an average flow rate of 15 gallons per minute, this system delivers an impressive amount of up to 20 gallons of filtered water per minute.
You can notice an immediate and remarkable improvement in tap water with minimal sediments and contaminants. However, when there is more sediment in the water or the pipe system, the 5-micron sediment filter may get clogged within five to six months of use. This prevents water flow through the carbon block filter and causes water pressure to drop significantly. To avoid this, you may need to install a pre-filter to catch the larger sediments in the water. Of course this will increase the total cost slightly, but if you’re using well water or if your pipes are old, it is a small price to improve the system’s effectiveness and extend its life.
Perhaps the biggest advantage of the Aqua-Pure is the simple installation and low maintenance. The sanitary quick-change, no-contact cartridge makes filter replacement a breeze. You just have to twist it off and twist a new one in its place, all done in less than two minutes with no equipment. The cartridge isn’t cheap, and if you do opt for an additional separate pre-filter, you may need to replace it after two to six months, depending on the model.
What Is a Whole House Water Filter?
A whole house water filter is a point-of-entry (POE) water filtration system that provides cleaner and safer water for the entire household. This water goes to your faucets, bathrooms, heater, sinks, toilets, dishwasher, washing machine, and all other water appliances, with minimal waste. The system is connected directly to your main water line, so you can access filtered water anywhere in your home.
Typically, whole house filters use at least three to four stages of filtration. First is the sediment pre-filter, which can remove large particles of dirt, dust, rust and sand from water. Then, water passes through an activated carbon filter to catch contaminants like organic compounds in its pores, only allowing smaller water particles to pass through. You may also have a copper/zinc combination filter, which can remove heavy metals like lead and mercury from water in your home, as well as harmful chemicals like chlorine and chloramine and other dissolved metals that might affect taste and odor of water. Finally, you have a post-filter, which gives water a more thorough contaminant removal before it flows to your plumbing.
A cartridge filter system wastes little to no water. The filters alone do not affect TDS levels. Water simply passes through the filters, leaving the contaminants behind. On the other hand, a Reverse Osmosis (RO) filter is more effective in removing the smallest particles including organic molecules, viruses, and most minerals, producing pure water. In addition to sediment and carbon filters, this type of system also incorporates an RO membrane. The whole process takes a lot more time (thus you’ll find a storage tank included with this type of filter), and wastes water. While there are whole-house systems that use RO filters, it’s more commonly used in point-of-use (POU) systems such as countertop or under-sink filters.
Additionally, if you have hard water, you may also want to install a water softener along with the filter. This will help protect your pipes and water appliances against mineral buildup that causes scale and staining.
Why a Whole House Water Filter System Is a Necessity
The main reason homeowners use a whole house water filtration system is the quality of their water source. Whether you’re connected to a municipal water supply or a private well, the water reaching your taps may have picked up a range of contaminants along the way. To improve its quality and taste, you will need a water filter at the very least.
One of the most common contaminants you can easily notice in your water are disinfectants such as chlorine and chloramines. They are used in water treatment facilities to disinfect the water, removing most of the bacteria and microorganisms, but in greater quantities it can actually be dangerous to your health. It’s so common that some people are so used to drinking chlorinated water and the absence of it might seem strange for them. Chlorinated water can have bad effects on your skin and hair, causing them to dry out and become dull. Using a whole house water filter will remove most of the chlorine in the water you consume for drinking, cooking, washing, and showering.
For well water and other sources with specific types of contaminants including heavy metals and organic compounds, a lot of multi-stage whole-house water filtration systems allow you to choose filters that target different contaminants. Most manufacturers also offer additional water softeners or conditioners and UV purifiers for a more thorough contaminant removal and water disinfection.
If your household consumes huge volumes of water daily, it may be more economical and environmentally-friendly to use a whole house water filter instead of multiple countertop and shower filters, for example. Since you can get clean water from anywhere in the house, it provides ready-to-drink water straight from your tap, also saving you from buying bottled water. Furthermore, unlike other water filtration systems, a whole house cartridge filter does not produce wastewater.
How Does a Whole House Water Filter Work?
Each whole house water filter system may function in a slightly different way. However, they all work for the same purpose: to reduce contaminants in the water that enters into appliances and faucets around the home, making it cleaner, safer and more beneficial for use.
Let’s look at a carbon-based filtration system. This multiple-stage whole house water filter is considered one of the best water filtering options for an entire home. It combines a number of filtration processes, including an activated carbon media, to carry out a thorough water filtration process.
The first stage is pre-filtration. Pre-filters trap particles around 5 microns or larger. This filter is specially designed to eliminate the larger particles in the water, such as silt, sand, rust, debris, or sediment. While it prevents large contaminants from entering the system further, the prefilter also helps keep the other filters functional for a longer period of time.
Next is the main filtration stage consisting of activated carbon. The pre-filtered water flows through an activated carbon block made up of charcoal or coconut carbon. This filter removes contaminants from water that a pre-filter might miss, like the common chlorine and chloramines, industrial solvents, pesticides. This carbon media has a large surface area to trap contaminants in its pores. It can bind to these contaminants through a process called adsorption, pulling them out of the water.
The activated carbon is very effective in removing most of the chlorine, sediments, VOCs, as well as any unpleasant odors and tastes from the water. This filter may also be treated with special substances to have additional properties. Some manufacturers impregnate a small amount of silver in the carbon filter to give it an antibacterial capacity. Some carbon whole home water filter systems may also include an additional copper/zinc combination filter, which gives an extra benefit of clean water by removing contaminants like lead & mercury from water.
Finally, the water filtration process is completed by a post filter. This filter polishes water and gives it one final clean, removing any remaining impurities. When the water reaches this post-filter, it’s usually filled with very small particles because the larger ones have already been removed. The role of the post-filter is to stop these small particles from reaching your water. These filters look like a mesh full of holes as small as 0.5 micron up to 1 micron.
Most water filter systems offer an optional water softener or conditioner. This can be useful for removing minerals that cause scale and rust on plumbing fixtures and appliances, and stains on sinks, toilets, and tubs. The traditional water softener uses salt which binds with minerals such as calcium and magnesium. Salt-free water softener alternatives, or what is called a water conditioner or descaler, uses technologies that crystallize these minerals instead.
Another optional but very effective add-on is the UV filter. It can eliminate any remaining bacteria, viruses, or microorganisms that the previous filters could not handle. If your concern is bacterial contamination in your household water, using a UV filter (or a similar disinfection technology) will solve the problem.
What to Consider When Choosing the Best Whole-House Water Filter
Before purchasing a filtration system for your whole home, take time to consider some important factors that can help you make the best choice. This includes the type of contaminants in your water, flow rate, certifications, as well as installation and maintenance requirements.
Types of Contaminants
A wide variety of contaminants can affect your water supply, whether it’s from city water or well water. Common contaminants include disinfectants like chlorine and chloramines, sediments, heavy metals like lead, arsenic, and mercury, microorganisms, pharmaceuticals and organic chemicals. Whole-house water filters come in multiple filtration stages, typically three to four, to remove most contaminants from the water and ensure that it’s safe for use.
To find actual reports of tap water quality in specific areas, check the Safe Drinking Water Information System Reports developed by the Environmental Protection Agency (EPA). You may also go to the National Drinking Water Database created by the Environmental Working Group to determine what contaminants may be in your tap water.
Water Flow Rate
The water flow rate of your whole-house water filter system determines the maximum amount of water that can pass through the filter in a given time period, typically measured in gallons per minute or GPM. To supply the whole house with adequate filtered water, this type of filter needs to have a high water flow rate for large appliances, like shower heaters and dishwashers. The average whole-house filter has a flow rate ranging from 10 to 20 GPM, supplying one to three or four to six bathrooms. For larger household or commercial buildings, whole-house water filters flow rate go up to 25 GPM or higher, enough to supply more than seven bathrooms.
To ensure the quality of your filter, look for certifications from NSF International. This organization develops public health standards for water filtration, rates and certifies water filters with an American National Standards Institute (ANSI) certification if they meet the minimum requirements. NSF/ANSI certifications guarantee the filter’s material safety and structural integrity, as well as its performance in reducing contaminants. Some common ones you can look for are:
NSF/ANSI Standard 42 for aesthetic, non-health-related contaminants, such as chlorine taste and odor
NSF/ANSI Standard 44 for the reduction of hard minerals such as calcium and magnesium, as well as barium and radium 226/228, among others
NSF/ANSI Standard 53 for the removal of health-related contaminants such as lead, cysts, and VOCs
NSF/ANSI Standard 55 for UV systems certified to remove pathogenic bacteria, viruses, Cryptosporidium, Giardia (Class A), or non-health-related microorganisms (Class B)
NSF/ANSI Standard 58 for reverse osmosis systems certified to remove total dissolved solids (TDS) and additional contaminants such cysts, barium, copper, arsenic, lead, and more.
The Water Quality Association (WQA) is the leading accredited agency for testing and certifying water to NSF/ANSI standards. Some filter systems may not be certified as a whole but consist of NSF-certified components, so you need to make sure you choose the right one for the target contaminants.
A whole-house water filter does not come cheap. It can cost anywhere from a few hundred (like this inline Aqua-Pure model) to several thousand dollars (like this all-in-one Aquasana water treatment). It depends mainly on its capacity, construction, certification, and brand. The price for a single cartridge filter can go from $500 and $1200 or higher, while replacement cartridges aren’t much cheaper. For these models, each cartridge may last from six to ten years. On the other hand, multi-stage filter systems like this iSpring may come at a lower price, but you’ll need two to three replacement cartridges more frequently, at least once a year. If you add on a water softener or UV purifier, the cost can double or triple.Professional installation by a plumber may cost a few hundreds of dollars. Although, simpler systems may allow you to do it yourself with minimal skills and tools required. Most whole-house water filters come pre-assembled, so all that’s left to do is to connect them to your water line (and in case of UV purifiers, to electricity).
Most manufacturers offer warranties as long as the filter life, or at least half of it for models with extremely long lifespans. When choosing a whole-house water filter, it may be useful to look at the terms and coverage to give you peace of mind and confidence in the quality of the product. In fact, one of SpringWell’s best-selling feature is the free lifetime warranty that you’ll rarely find in other brands. Although, note that most manufacturers will void the warranty if the water filter is not installed by a licensed contractor.
Whole House Water Filter Systems Installation & Maintenance
Installing a whole-house water filter may not be as easy as adding a filter to your faucet. To begin, the water must be shut off to the entire house and the lines drained. You will need to cut the water pipe and install a set of fittings suitable for the filter. Depending on the type of filter, iit may be easy enough to do yourself if you have experience with plumbing, cutting and soldering new plumbing fittings. Or you can simply hire a professional plumber or water filter installation company to do this for you.
Once the filter is installed, most cartridges will last for between 3 months to one year on average, depending on water usage, water quality, and filter type. Larger systems may need replacements for pre- and post-filters after three to six months, and anywhere from five to ten years (or up to 20 in the case of AquaOx) for the main filter tanks. Cartridge replacement is typically an easy task for most whole-house water filters. Turn the water off and drain the lines, then unscrew the tank and remove the old cartridge. Then, put a new cartridge in, screw in the filtration tank, and recharge the water system.
To wrap up, most whole-house water filtration systems can work effectively to decontaminate municipal and well water sources. However, to be safe, it’s always best to check and search for reliable information on the contents of your water and its possible effects. A whole house filter, as opposed to other filter types, ensures you have access to clean and better-tasting water anywhere in your home, with minimal waste. Check out our top 8 picks above or start your research from here.