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 2024-06-22 / 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
Aquasana Whole House Well Water Filter System - UV Purifier - Salt-Free Descaler - Carbon & KDF Media Filters Sediment 97% Of Chlorine - Water Softener Alternative - 500,000 Gl - EQ-WELL-UV-PRO-AST
  • Clean, Great Tasting Water From Every Tap In Your Home - Activated carbon is effective at reducing organic chemicals including pesticides & herbicides while allowing for a fast and reliable flow rate with no noticeable change in water pressure.
  • High-Performance Well Filter System - Salt-free conditioner, carbon & KDF filtration engineered to maximize filtration and reduce scale while leaving healthy minerals in your water. This system will NOT reduce Total Dissolved Solids (TDS)
  • Cost Efficient & Long Lasting - Clean water for less than $0.01 a gallon - Save twice as much compared to other brands on purified water for 500,000 gallons or 5 years
  • Easy Maintenance - No draining or back flushing needed - Easily replace pre and post filters every 2 months for best filtration and flow rate.
  • Top-Grade Install Kit & Components - System includes filter tank, conditioner tank, 20" pre-filter, post-filter, brass fittings for 1'' or 3/4'' pipes, bend supports, and shut-off valves – Item may ship in more than one box and may arrive separately
SaleBestseller No. 3
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. 4
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. 5
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!
Bestseller No. 6
AO Smith Whole House Salt Free Descaler System - Works with City & Well Water Filters - 6yr, 600,000 Gl - Water Softener Alternative for Home - AO-WH-DSCLR
  • Salt-Free Scale Prevention – The A. O. Smith Descaler reduces scale build up in pipes and plumbing using a salt-free & chemical-free system but does not soften water or remove minerals that cause hardness. No cleaning, backwashing, salt-bags, or electricity required.
  • Effective Solution for Moderate Hardness – Ideal for use when incoming water supply has a hardness under 15 grains per gallon, alkalinity under 250 mg/L, pH under 8.3, and less than 0.3 ppm of iron.
  • Works For All Your Water Needs – System works effectively on water for use in drinking, cooking, showering, and bathing. Perfect for households of 4 or more people. System will not reduce TDS, sulfur, or iron.
  • Well Or City Water – Our Whole House Descaler is engineered to work with both well & city water systems. Includes one Whole House Descaler, shut-off valve, hose adapter and nipple.
  • Long Lasting & Cost Efficient – Reduces scale build-up for up to 6-Years or 600,000 Gallons. System includes a 6-Year warranty.
SaleBestseller No. 7
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
SaleBestseller No. 8
Culligan WH-S200-C Whole-House Sediment Water Filtration System, (clear, black, blue)
  • Whole House Water Filter System: This filter system makes sure your family has clean, fresh water supply throughout the house by reducing sediment, dirt, sand, and silt from incoming water supply
  • Easy to Install: Featuring valve-in-head bypass shut-off for easy cartridge change, filter life timer, and stainless steel re-inforced 3/4" inlet/out and housing rim, system includes: P5 cartridge, mounting bracket, and housing wrench
  • Filtered Water At Home: Ideal for residential homes, this point-of-entry filter system helps to protect your pipes and water using appliances from sediment build-up
  • A History of Innovation: Culligan has made the world a safer, better-tasting place to live through our world class home, commercial and industrial water treatment solutions
  • Culligan: We make premium water filtration systems, including faucet filters, whole house filters, under the sink filters, shower filters and more, so you can provide clean water for your whole family
SaleBestseller No. 9
GE FXHSC Whole House Water Filter | Replacement for Water Filtration System | NSF Certified: Reduces Sediment, Rust & Other Impurities from Water | Replace Every 3 Months for Best Results | 1 Filter
  • Whole home filtration system: Filtered water for your whole home
  • Includes one filter: Compatible with GXWH40L, GXWH30C, GXWH35F, GXWH38F, GNQH38S and most systems with 10" x 4.5" filters
  • NSF Certified: Certified to reduce chlorine taste and odor, sediment, sand and rust in your water, appliances and plumbing fixtures
  • Three-month filter life: For best filtration results, filters should be replaced every three months or 30,000 gallons
Bestseller No. 10
iSpring WDS80K Anti-Scale 10" x 4.5" Whole House Water Filter with Patented Scale Inhibitor
  • Protect your household appliances and plumbings from scale. The patented scale Inhibitor effectively sequester calcium and magnesium, preventing your pipes from scale and clearing partially clogged piping. Key Product Features
  • Prevent your pipes from corrosion and bio-growth. Our premium filter media inhibit corrosion, particularly iron, steel, galvanized, copper and lead, by coating the surface of your pipes. It serves as a protective layer that makes it harder for bio-film to form. The coating also helps to stabilize chlorine as the chlorine will not react with the metal pipe if the coating exists.
  • Top-Notch Quality: The filter is made of patented scale prohibitor and is capable of filtering up to 80, 000 gallons of water, or lasting for 6 months (depending on inline water quality). The filter is tested by an independent third-party to meet NSF 42/60 standards.
  • Easy Filter Replacement and Minimum Maintenance Required: For filter replacement, just twist off the housing and replace the filter. With 1” NPT inlet/outlet and 10” x 4. 5” filter cartridges, the system has a minimum impact on water flow (up to 15 GPM) and requires minimum maintenance.
  • Peace of Mind Customer Service: We offer both technical assistance and customer service support by phone or email out of our headquarters in Atlanta, GA. Our knowledgeable team is available to help you find a filtration solution that best solves your specific water concerns or to help with any after-sale support you may need. Our goal is, and always will be, to maximize your user experience.

Last update on 2024-06-22 / 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.