10 best whole house water filter for hard water

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Finding the best whole house water filter for hard water can be a challenging task. With so many options available on the market, it can be overwhelming to decide which one is right for your specific needs. From reverse osmosis systems to water softeners, there are a variety of products designed to address hard water issues in your home.

To help make the process easier for you, we have carefully researched and shortlisted 10 of the best whole house water filters for hard water. Our list includes products that are highly rated for their effectiveness in removing minerals and contaminants from your water supply, ensuring that you have access to clean and safe water throughout your home.

By choosing from our curated list of top whole house water filters, you can save time and hassle in finding the perfect solution for your hard water problems. Whether you are looking for a budget-friendly option or a high-end filtration system, our list has something for every household. Say goodbye to the frustrations of dealing with hard water and invest in a quality whole house water filter that will provide you with peace of mind and clean water for years to come.

Top 10 whole house water filter for hard water In The Market

Last update on 2024-12-31 / Affiliate links / Images from Amazon Product Advertising API

whole house water filter for hard water Reviews

SaleBestseller No. 1
iSpring Whole House Water Filter System, Reduces Iron, Manganese, Chlorine, Sediment, Taste, and Odor, 3-Stage Iron Filter Whole House, Model: WGB32BM
  • Whole house water filter that protect your family and household appliance from iron, manganese and more: Our 3rd stage iron water filter (FM25B) is specially designed for iron and manganese removal, reducing iron (MAX 3.0 ppm) and manganese (MAX 1.0 ppm). The water filter lasts up to 3 times longer than greensand due to the catalytic media not being consumed in the process. This whole house water filter system also removes sediment, chlorine, rust, herbicides, industrial solvents, and more.
  • DIY installation and maintenance - refer to our manual and our helpful YouTube videos for easy DIY installation. With 1 in. NPT inlet / outlet and 20 in. x 4.5 in. water filter cartridges, WGB32BM whole home water filter system has minimum impact on water flow (up to 15 GPM) and requires minimum maintenance.
  • Top-notch quality - the first stage high capacity polypropylene sediment filter achieves filtration down to 5 microns. The second stage carbon block filter is made of high quality coconut shell carbon for maximum filtration efficiency and filter life. Both water filters are tested by an independent third-party to meet NSF/ANSI standards. Both water filters have a capacity of 100,000 Gal. of water, enough to supply a family of four with clean water for a full year.
  • Peace of mind customer service - register online to activate your 1-year manufacturer warranty and life-time free tech support from U.S. local support team. We stand behind our products and if you encounter any problems with any of our products please reach out to us immediately. We are happy to help!
  • Please note - this whole house water filter is installed at the main water supply line in order to treat all the water in your home; unlike an RO system, this whole house water filtration system will NOT reduce Total Dissolved Solids (TDS) and instead keeps healthy minerals in your water; if you are interested in a filter that removes TDS consider our iSpring Reverse Osmosis (RO) systems. The cartridges are individually wrapped to ensure freshness. Please unwrap the cartridges before use.
SaleBestseller No. 2
iSpring WGB21B 2-Stage Whole House Water Filtration System, with 10" x 4.5" Sediment CTO(Chlorine, Taste, and Odor) Filter, 1" Inlet/Outlet
  • [Two-Stage Effective Filtration] The whole house water filter has 1st-Stage premium 5-micron polypropylene sediment filter (FP15B) captures dirt, sand, silt, dust, rust, and scale particles, using high quality coconut shell carbon and highly compact fabrication tech, 2nd-stage CTO filter(FC15B) knocks out cloudiness as well as bad tastes and odors, removes over 90% of chlorine, and is highly effective on VOCs like pesticides, herbicides, and industrial solvents.
  • [Superb Filtration Capacity] 10"x4. 5" replaceable whole house water filters can provide up to a full year of clean water(up to 50, 000 gallons) for a family of four. 1-inch inlet and outlet ports allow fast water flow with less pressure loss. Fine PP sediment filter and premium quality CTO filter not only bring clean and fresh water to every faucet in your house, but also help prolong the lives of your water-using appliances and protect plumbing from sediment and scale buildup.
  • [Easy Installation and Filter Change] The system comes pre-assembled onto the mounting bracket for a streamlined, DIY installation. Filter wrench included to make routine filter changes easy and quick. A pressure release valve allows for the release of built-up pressure when changing filters. Refer to our manual and/or YouTube videos to Install this point-of-entry (POE) filtration system at the main water supply to get clean and healthy water for the entire family.
  • [Retain Valuable Minerals] Unlike an RO system, this system will NOT reduce Total Dissolved Solids (TDS), and instead keeps healthy minerals in your water. If you are interested in a filter that removes TDS, consider our iSpring Reverse Osmosis (RO) systems.
  • [Peace-of Mind Customer Service] Backed by a 30-day money-back guarantee, 1-year warranty, and extended manufacturer warranty upon warranty registration at iSpring. Lifetime CS and tech support from Atlanta, GA USA. We stand behind our products. If you encounter any problems with any of our products, please reach out to us immediately. We are happy to help!
SaleBestseller No. 3
Waterdrop Whole House Water Filter System, with Carbon Filter and Sediment Filter, 5-Stage Filtration, Highly Reduce Lead, Chlorine, Odor and Taste, 2-Stage 5 Micron WD-WHF21-PG, 1" Inlet/Outlet
  • 【Efficient filtration】The impressive 10” x 4.5” PP filter and GAC filter combination achieves a 5-stage filtration, effectively reducing large particles and sediments larger than 5 microns. The whole house water filter also reduces chlorine, lead, benzene, mercury, peculiar smell, sand, rust, and more. GAC filter adopts natural coconut shell, which reduces funny taste and odor, while improving the water taste for you. With this filter, you get constant pure water with a better taste.
  • 【Longer lifespan】The GAC filter is expected to be changed every six months, while the PP filter is due for a change every 3-6 months. Waterdrop’s house water filtration system features longer lifespan, therefore saving your potential replacement cost. The durable housing is made from food-grade materials only. It has passed tests to confirm work under the pressure of 25-90psi without external damage and crack. The pressure is daily water pressure in USA. Please rest assured to purchase and use.
  • 【Stable water flow】The whole house water filter system has passed 100,000+ water hammer tests to ensure the stable and safe water supply. The large water capacity is enough to provide the whole household pure water with a smooth and stable flow rate.
  • 【DIY installation】The installation is so simple that you can do it on your own following the instructions in the manual. The included wrench facilitates the replacement, installation, and related processes. Please wrap the telfon tape appropriatly, wrap too many turns or too thick will shorten the life of the copper.
  • 【Protects water appliances】This 10"x4.5" whole house water filtration system protects your water pipes from rust and extends the lifespan of your water-related appliances by delivering clean water source without clogging.Waterdrop is an independent brand.
SaleBestseller No. 4
3M Aqua-Pure Whole House Scale Inhibition Inline Water System AP430SS, Prevents Scale Build Up On Hot Water Heaters and Boilers
  • Helps Inhibit Scale: Polyphosphates included in This Product bind calcium and magnesium hardness minerals, preventing them from becoming a solid to help reduce the build-up of mineral scale in pipes and water using appliances
  • Helps Protect Hot Water Heaters: Extend the life of water-using appliances such as water heaters, clothes washers and dishwashing machines, as well as plumbing fixtures like faucets, pipes and shower heads by reducing scale build-up and corrosion
  • Not a Filter, A Scale Reduction System: System diverts only a small portion of water passing through the system head into the cartridge to inject polyphosphates in minute concentrations and return it to the water supply to help reduce scale build-up
  • Minute concentrations of polyphosphates help reduce scale build-up by inhibiting the build-up of hardness minerals onto metallic surfaces. Polyphosphates also help reduce corrosion by forming a thin protective layer on the inner-surface of pipes
  • Maintains Efficiency: By Inhibiting Scale Build Up On Heating Elements, Helps Maintain Water Heater Efficiency
Bestseller No. 5
Whirlpool Hybrid Water Softener & Whole House Filtration System (WHESFC) | NSF Certified | Salt-Saving Tech | Removes Chlorine, Hard Water, and Contaminants
  • Save Money With A 2-in-1 System: Remove hard water minerals and harmful contaminants for families of 1-to-5 with one single-tank system instead of buying 2 separate systems..Rated Service Flow Rate : 8.0 gpm, Maximum Drain Flow Rate : 2 gpm
  • Superior Hardness Removal: This hybrid water softener/filter has a 31, 000 grain capacity, an above average hardness removal rating of 120 grains per gallon, and an iron removal rating of 3 ppm which helps reduce reddish-brown stains on drains and water using appliances.
  • Water Contaminant Reduction: This whole home filtration system reduces sediment, chlorine taste, and odor from the water used throughout your entire home.
  • Efficiently Use Salt: The WHESFC is a smart water softener, meaning it uses demand-initiated regeneration technology to produce soft water as your home needs it, reducing salt costs over the life of the system.
  • Designed, engineered and assembled in the USA. Questions Call the Whirlpool helpline
SaleBestseller No. 6
3M Aqua-Pure Whole House Sanitary Quick Change Water Filter System AP904, Reduces Sediment, Chlorine Taste and Odor, and Scale, Heavy Duty
  • Clearly Great Water: This Whole House Water Filter Reduces Sediment Build-Up, Chlorine Taste And Odor As Well As Scale* – Helping To Increase The Life Of Hot Water Heaters And Appliances (Dishwashers, Clothes Washers, Etc).
  • Easy To Replace: Sanitary Quick Change (Sqc) Design Allows For Fast And Easy Change-Outs Of The 3M Aqua-Pure Ap917Hd-S Replacement Water Filter Cartridge Without Having To Contact The Filter Media Or The Need For A Filter Wrench.
  • 100,000 Gallon Capacity: Replacement Cartridge Has An Activated Carbon Filter With Nominal Heavy Duty Particulate Reduction Rating Of 5 Microns And A 100,000 Gallon Capacity At High Flow Rates Of 10 Gpm And Even At Intermittent Peak Flow Rates Of 20 Gpm.
  • Flow Rate: 1” Inlet And Outlet Connections To Help A Plumbing Professional With Easy Installation And Peak Flow Rates Up To 20 Gpm To Meet The Water Pressure Demands Of Most Homes.
Bestseller No. 7
PUREPLUS 1-Stage Whole House Water Filter, with Iron Manganese Reducing Water Filter, for Well Water, 10"x4.5" Universal Housing
  • Comprehensive Filtration: Our system employs a multi-stage filtration process to effectively remove impurities commonly found in well water, such as sediment, rust, and heavy metals. Enjoy crystal-clear water from every tap in your home.
  • Durable and Long-lasting: Built with durability in mind, the filter housing is constructed from high-quality materials that can withstand the demands of well water filtration. It is designed to provide reliable performance for an extended period, reducing the need for frequent replacements.
  • High Flow Rate: Designed to provide a high flow rate, our water filter ensures optimal water pressure throughout your house. So, whether you're taking a shower, doing laundry, or using multiple faucets simultaneously, you won't experience any noticeable drop in water pressure.
  • Easy Installation: The whole house water filtration system is equipped with all the tools required for installation. Including a heavy-duty steel mounting bracket, wrench, and 4 screws with O-ring. It's easy to install and replace the filter cartridge using just a wrench. Release pressure through the red valve first.
  • Customizable Options: PUREPLUS 10" whole house water filter housing can fit all standard 10” x 4.5" filters with different materials, such as sediment cartridge (PP10BB), sediment and carbon cartridge (PP10BB-CC), pleated cartridge (PPL10BB), carbon cartridge (CTO10BB). Multiple choices will meet the requirements of different families.
SaleBestseller No. 8
iSpring ED2000 Whole House Water Descaler, Alternative Electronic Salt-Free Hard Water Conditioner, Reduces Limescale Prevent Deposits Build-up, Different from a Water Softener
  • [Improve Water Quality] Solves hard water problems without the need for chemicals, salt, or maintenance, while keeping healthy minerals in the water by preventing scale deposits from forming and allowing existing scale to break down.
  • [Reliable Descaler] Descales your entire water system and prevents scale buildup in pipes. Reduces energy consumption with an average one year payback period. Great for your home and the environment, individuals on salt-restricted diets, and those looking for healthier skin and hair.
  • [Environmental Friendly] Designed for very hard water areas (10-19 grains per gallon). Saves energy and extends the life of your appliances.
  • [Easy Installation] No plumbing modifications required. Maintenance-free. Works on any pipe, even PEX and PVC. 1-year money-back and lifetime tech support from iSpring.
  • [No change on Chemistry of Water] Unlike salt water softeners, ED2000 does not change the chemistry of water.
Bestseller No. 9
iSpring Whole House Water Filter System, Highly Reduces up to 99% Chlorine, Sediment, Taste, Odor, 3-Stage Water Filtration System w/Clear 1st-Stage Housing, Model: WCB32C, 3/4" Inlet/Outlet
  • Superior Whole House Filtration: Eliminate unpleasant odors and taste from your water! Our whole-home system removes up to 99% of chlorine, sediment, rust, herbicides, and more.
  • Effortless Installation: Experience DIY simplicity with our user-friendly manual and instructional YouTube videos. Featuring 3/4" NPT inlet/outlet connections and 20" x 2.5" filter cartridges, the installation process is seamless.
  • High-Performance Filtration System: The first-stage sediment filter achieves 5-micron filtration. Stage 2 and 3 carbon block filters, made from quality coconut shell carbon, ensure maximum efficiency and extended life. Independently tested, both filters meet NSF/ANSI standards.
  • Customer Service Assurance: Register online for extended manufacturer warranty and lifetime free tech support from our U.S. team. We're committed to standing behind our products. Reach out immediately if you face any issues; we're here to assist and ensure your satisfaction.
  • Important Note - TDS Preservation: Unlike RO membranes, our system preserves essential minerals (TDS) while effectively removing harmful chemicals. For TDS reduction, explore our iSpring Reverse Osmosis (RO) systems.
SaleBestseller No. 10
Culligan WH-HD200-C Whole House Water Filter System 1” Inlet/Outlet – Improve Tap Water Taste, Remove Sediment, Protect Appliances
  • Whole house water filtration system with 1" stainless steel reinforced inlet/outlet connectors
  • Perfect for residential homes, helps protect appliances and pluming from sediment and scale
  • Features bypass shut off valve, integrated bracket design and battery operated filter change timer
  • Reduces: sediment, rust, scale, dirt, coarse sand, sand, fine sand, silt, bad taste, odor, aesthetic chlorine taste and odor (depending on filter cartridge)
  • The WH-HD200-C housing has been tested and certified by WQA against NSF/ANSI 372 for low lead compliance, CSA B483.1 and NSF/ANSI 42 for material safety and structural integrity requirements only

Last update on 2024-12-31 / Affiliate links / Images from Amazon Product Advertising API

Final Thoughts

In conclusion, the best whole house water filter for hard water can make a significant difference in the quality of your water supply. The 10 products chosen in this list were carefully selected based on their effectiveness in removing hard water minerals, durability, ease of installation, and overall customer satisfaction.

By following our list and choosing one of these top-rated whole house water filters, you can ensure that your entire household has access to clean, filtered water that is free from harmful contaminants and minerals. Investing in a high-quality whole house water filter can improve the taste and smell of your water, protect your appliances from mineral buildup, and provide peace of mind knowing that your water is safe for consumption.

Overall, choosing the best whole house water filter for hard water from our list can make a positive impact on your daily life and the health of your family.