12 Best Whole House Water Filters in 2021 – Reviews & Buyer’s Guide

The Express Water Heavy Metal Whole House Water Filter is hands down the most reliable and durable whole house filters on the list. It is best known for its three-stage filtering feature that guarantees to deliver fresh and clean water in every faucet in your home.

The major features of this whole house water filter are:

Three-Stage Filtration

One of the key features of Express Water Heavy Metal Whole House Water Filter is that this system operates in three different stages:

Stage 1: Sediment- The first stage involves a Sediment Filter. It prevents coarse damaging contaminants like sand, rust, and dirt from your home appliances and other filters.

Stage 2: KDF- The second stage of this whole house water filtration system is a Kinetic Degradation Fluxion filter. It captures iron, lead, chloramine, arsenic, sulfur, algae, viruses, hydrogen sulfide, fungi, mercury, chlorine, aluminum, and controls the growth of microorganisms.

Stage 3: Carbon Block- The third and final stage of this filtration system is the Activated Carbon Block. The ACB filter helps to capture chlorine, Total Organic Carbon (TOC), pharmaceuticals, turbidity, pesticides, and chemicals, causing bad tastes and odors. 

Heavy-Duty Construction

This whole house water filter system is engineered with 100% food-grade materials. All of the components are independently tested and verified to meet NSF/ANSI standards. Similarly, the three housings are constructed from durable ABS and PCE plastic. Each of the housing is connected with industrial-strength flow connectors. 

Fast-Flow Filtration

This water filter is capable of filtering 15 gallons of water every minute, which is more than enough for your entire home. In addition to that, this system makes sure no water is wasted during the filtration process.

Easy Maintenance

Changing the filters of this appliance is quick and easy, thanks to the simple and efficient design. Unlike standard water filters, this system features twist-off housings and drop-and-go filter design that takes all the hassles during filter replacement. Moreover, it also includes optional accessible pressure release buttons for your convenience.

Small and compact, Hardless NG Lotus Whole House Water Filter and Water Conditioner is a product to go for if you’re opting for efficiency and reliability. This product filters an excessive amount of water contaminants and delivers clean and pure drinking water in every tap of your home.

The major features of this water filter system are:

Five-Stage Whole House Water Filter

This system is equipped with a unique five-stage whole house water filter. Let’s take you through these five stages:

Stage 1: In this stage, the til rod’s exclusive design and composition starts the conditioning process.

Stage 2: Here, the cartridge contains Slow Phos Crystals, which change the structure of the minerals to prevent limescale build-up. 

Stage 3: Now, the conditioned water sprays through a 25-micron stainless steel mesh filter. 

Stage 4: In this stage, the water goes through an additional 2-micron filtration process to purify water. 

Stage 5: In this final stage, the magnets in the outer band further conditions the water while the previous stages are taking place.

Small and Compact

Another major feature of this water filtration system is its compactness. With the weight of 4.89 pounds, this unit filters and conditions water for your entire house, ensuring you get pure and natural-tasting drinking water. 

Prevents Limescale

This is another significant attribute of this water filter system. The cartridge helps to modify the crystalline structure of the minerals in water for preventing limescale buildup as well as other hard water problems. This significantly helps in the durability of your pipes and water appliances. 

Easy to Maintain

You do not need to worry about maintaining this whole house water filter. Simply turn the valve on the bottom of the water filter unit for about thirty seconds, once a month to keep the system properly maintained.  

The Home Master HMF2SmgCC Whole House Water Filter is an efficient unit that is capable of eliminating any particles larger than one micron from water. The system uses a four-gradient density filter to deliver a finer filtration compared to other similar models. 

The major features of this whole house water filter are:

Two-Stage Filtration

This whole house filter system operates with two-stage filtration technology:

• 1st Stage Filter: The first stage includes a multi-gradient depth sediment filter with four layers of filtration. It is designed to eliminate bacterial and chemical resistance. 
• 2nd Stage Filter: In this stage, the mixed media granular activated catalytic carbon filter removes chemicals and other soluble heavy metals.

Effective Performance

The system uses a coconut shell carbon filter that purifies up to 95,000 gallons of water before they need for filter replacement. In short, it provides a full year of clean water for a family of four. It also removes up to 95% of sediments, chlorine, chloramines, chemicals, and other contaminants from water. 

Durability

Another essential feature of this whole house water filter is that it comes with a two-year warranty. The extended warranty period from the manufacturer is proof that it is a durable product.

The iSpring WGB21B 2-Stage Whole House Water Filter system effectively eliminates water contaminants to keep your entire household water clean and healthy. It offers an excellent flow rate and comes with an effective two-stage filtration technology. 

The primary features of this whole house water filter system are:

Two-Stage Effective Filtration

This peculiar feature helps to remove up to 95% of VOCs, sediment, chlorine, and other contaminants that result in foul tastes and odors. The fine PP sediment filter and premium quality CTO filter bring healthy water to every faucet in your house. 

High Filtration Capacity and Flow Rate

The replaceable filters are capable of delivering around 50,000 gallons of water, which is sufficient for an entire year for a family of four. The one-inch inlet and outlet ports allow the fast water flow of around 15 gallons per minute with less pressure loss. 

Easy Installation and Filter Change

This water filter system comes pre-assembled on the mounting bracket for easy DIY installation. The system also includes a filter wrench for making routine filter changes. Besides, the pressure release valve releases built-up pressure when changing filters.

This whole house water filtration system offers great value for money. It is manufactured by Perfect Water Technologies, an American Company that specializes in innovative reverse osmosis (RO) solutions for households.  

Here are some of the main features of this whole house filter system:

Three-Stage Filtering

This whole house system operates in three stages:

First Stage Filter: This stage consists of a multi-gradient filter with four different layers — 25, 10, 5, and 1 micron.

Second Stage Filter: In this stage, the Radial Flow Iron Reduction filter effectively gets rid of iron in water up to 3 PPM.

Third Stage: In the last stage, the radial flow activated coconut shell carbon filter removes harmful chemicals and contaminants from water.

Good Flow Rate

The filter housing of Home Master HMF3SDGFEC comes with one-inch ports. This feature delivers high water pressure that usually goes up to 15 gallons per minute. 

Coconut Shell Carbon Filter

The inclusion of a coconut shell carbon filter helps to purify up to 95,000 gallons of water before the filter needs to be replaced. In a nutshell, it provides a full year of clean water for a family of four members. 

Improved Performance

It removes up to 95% of sediments, chemicals, and other contaminants that create foul tastes and odors. Besides, the multi-gradient density replaceable sediment filters offer massive dirt-holding capacity.

APEX MR3030 Water Filtration System is a high performing filtration system that purifies 15 gallons of water every minute. Certified by NSF, the three-stage filter of this model effectively removes sediment particles, chemicals, and chlorine.

Efficient Performance

This water softener system comes with a hydrogen sulfide reduction filter that contains KDF-85 media and organic coconut shell activated carbon. The KDF-85 reduces dissolved iron and hydrogen sulfide odor over a more extensive pH range. It helps to protect your plumbing system including toilets, bathtubs, showers, along with other appliances like clothes washers and dishwashers, from stain and odor. 

KDF-85 Process Media

This feature removes 99% of water-soluble lead, mercury, nickel, chromium, and other dissolved metals. Additionally, it is effective in controlling the buildup of bacteria, algae, fungi, and scale. 

High-Capacity Polypropylene Sediment Filter

This extracts suspended materials like sediment, rust, insects, and other particles down to 5 microns. The sediment filter also helps to extend the life of other expensive cartridges and prevents damage. 

Great Flow Rate

With this system, the water flow rate goes up to 15 gallons per minute, which is sufficient for even a large family. Also, the filter is long-lasting and only requires replacement after purifying about 20,000 gallons of water.

Aquasana Whole House Water Filter System is a salt-free water filtering appliance that comes with many innovative features. This model comes with a pro-grade installation kit that includes brass fittings, a pre-filter, post-filter, and shut-off valves.

The major features of this water filter are:

Hard Water Crystallization

This water filter system helps to crystallize the hard water grains, that allows water to flow harmlessly through your pipes and drainage system. The system is 100% salt-free and also reduces the wastewater during the purification process.

Good Flow Rate

The filtration system comes with a decent flow rate of 7 gallons per minute. This rate is enough for a family of three or four. It makes sure that there is enough water pressure even when running two showers, a washing machine, and a kitchen faucet at the same time. 

Durability

Though this whole house water filter costs a bit more, the Aquasana Whole House Water Filter System is guaranteed to last ten or more years. Other than that, it can conveniently purify one million gallons of water. 

Good Packaging

The other notable advantage of this model is the pro installation kit. The components included in this kit are of high quality, so you do not have to worry about leaks or faulty parts.

Aquasana Rhino EQ-1000 is a quality whole house filtration system with a highly durable filter that can last a million gallons. Besides, it doesn’t require salt, electricity, or backflushing during the operation. 

The primary features of this whole house water filter are:

High-Performance Filter System

The filtration system of Aquasana Rhino EQ-1000 features Carbon & KDF filtration media. These filters are rigorously engineered to eliminate water contaminants while leaving the healthy minerals in the water. The system removes 97% of chlorine and reduces harmful contaminants like lead, mercury, herbicides, pesticides, and VOCs. However, this system will not reduce Total Dissolved Solids (TDS). 

Dual Filtration Technology

This whole house filtration system comes with two different filters. The main filter contains copper-zinc oxidation media and crushed mineral stones. It reduces chlorine and balances the pH of the water to make it more alkaline. The post-filter is a carbon filter, which can last about six months to a year in the city and two to six months with a well water supply.

Easy Maintenance

This whole house water filter system is ridiculously easy to maintain. You do not require draining or backflushing to operate this system.

Quality Components

This water filter features tools and materials that are of the highest quality. Its entire set consists of 20-inch pre-filter, post-filter, brass fittings for 1 inch or ¾ inch pipes, bend supports, and shut-off valves.

3M Aqua-Pure is another popular whole house water filter that holds its stature as the best value-for-money product. With 100,000-gallon capacity, the system offers a flow rate of 20 gallons per minute, sufficient even for a large family.  

The main features of this whole house water filter are:

Corrosion Resistant

This whole house water filter system includes a 304 stainless steel head that comes with a 25-years warranty. The steelhead can be installed on the existing copper pipes of your house. It consists of a corrosion-resistant material that serves for a long time. 

Sanitary Quick Change (SQC)

Another key feature of the 3M Aqua-Pure Whole House Water Filter System is the Sanitary Quick Change design. With this advanced feature, replacing the cartridge is exceptionally easy, without having to contact the filter media or need for a filter wrench. 

Clean and Pure Water

With this system, you no longer have to worry about the quality of water at your home. This water filtration system reduces up to 85% chlorine taste and odor using carbon block technology. 

Appliance Protection

This whole house water filter system helps to extend the life of water-using appliances like water heaters, dishwashers, and clothes washers. Besides, the product is tested and certified to exceed the health standards of NSF Standard 42.

Your search for the best whole house water filter should end with the Pelican PSE 2000 Whole House Water Filter, which also serves as a water softener. This is because of its four-stage working system that provides filtered and softened water for your household purposes.

Here are some of the major features of Pelican PSE 2000 Whole House Water Filter:

Four-Stage Design

This water filter features a four-stage purification technology. The first stage includes the micron pre-filter system. After that, the unit uses two stages of catalytic carbon media. The last stage includes an oxidation stage to reduce chlorine by about 97%, including other contaminants. 

Excellent Flow Rate

The product offers a promising flow rate of 15 gallons per minute. With that, this whole house system can deliver sufficient water for homes with about six bathrooms. Similarly, you don’t need to worry about water pressure while using this system.

Excellent Performance

This whole house water filter eliminates scaling by about 99.6 % without the addition of sodium in water. Besides, it never requires regeneration or the backwashing process. Since backwash is not necessary, you can save a significant amount of water from going down the drain.

The working principle is quite simple! The specialized media causes both calcium and magnesium ions to stick to each other. With that, the essential minerals are retained in water for added health benefits. 

Filtersmart Whole House Water Filter System is equipped with top-notch activated carbon technology. With a high flow rate, the filtration system performs valiantly and suffices for a medium to large family.

The primary features of this whole house water filter are:

Sturdy and Durable

This whole house filtration system features high-spun fiberglass tanks. These tanks are constructed by an American company and come with a lifetime warranty. Both of the tanks exceed the standard of NSF regulations for reliability and durability. 

Good Flow Rate

Filtersmart Whole House Water Filter System is engineered to offer you a high flow rate of 12 gallons per minute. This is an above-average rate, which is sufficient for a medium to a large household. Moreover, there is an option to go for a larger system, which gives you a flow rate of 15 gallons per minute. 

Effective Performance

This whole house water system is known for its effectiveness. Firstly, it gets rid of chlorine, which significantly improves the taste of the water. Additionally, it also removes pesticides, industrial solvents, chloramine, herbicides, VOCs, and SOCs. Furthermore, it preserves all the beneficial minerals that ensure health benefits.

Excellent Carbon Technology

Another important feature of this whole house water filtering system is the carbon filter. It is of top quality and originates from delicate coconut shells.  

Lifetime Warranty

The life of the filtration system (specifically the carbon) is about 1,000,000 gallons of water. With that, you are offered a lifetime warranty from the manufacturer. However, you need to change the sediment pre-filter once per year as it comes with a lifespan of 8 to 10 months.