Finding the best whole house filter and softener combo can be a challenge, as options vary widely in capacity, features, and price. The Combo System Fleck Whole House 64k Water Softener stands out for its reliable metered softening and filtration capabilities, making it a top overall choice. For large homes or well water, the PRO+AQUA PRO-E-S80E offers high capacity and versatility. If you prefer a salt-free alternative with broad purification, options like the Aquasana EQ-1000-AST-UV excel at chemical removal and scale prevention. Keep in mind that tradeoffs often involve higher upfront costs versus ongoing maintenance, or choosing between salt-based and salt-free systems. Continue reading for the full breakdown of these options and what to consider for your home water needs.
Key Takeaways
- The top systems balance high capacity, ease of maintenance, and comprehensive filtration or softening features.
- Salt-free softeners are increasingly popular but may not handle very hard water as effectively as traditional salt-based systems.
- Large-capacity units are better suited for bigger households or well water, but come with higher initial costs.
- Integrated systems that combine filtration and softening tend to save space and simplify installation, though they often cost more upfront.
- Performance in removing contaminants like chlorine, viruses, and sediment varies; choose systems that match your water quality concerns.
More Details on Our Top Picks
Combo System Fleck Whole House 64k Water Softener Upgraded 10% Resin, 5600sxt Metered, 1″ Bypass and Brine Tank, 64,000 Grains and Carbon Pre-Filter
This combo system stands out for combining a high-capacity softener with a radial flow carbon filter that effectively removes chlorine, tastes, odors, and chemicals. Compared with the Kenmore Elite 520, it offers more comprehensive filtration and larger grain capacity, making it suitable for larger homes needing both softening and filtration. A key advantage is its radial flow design, which maintains high flow rates with minimal pressure drop, ideal for whole-home use. The main tradeoff involves assembly complexity, as one part is often shipped separately, causing installation delays. Its preloaded tank simplifies setup, but missing components can hinder initial use. Best for homeowners seeking a complete, customizable water treatment solution. However, it’s less suited for those wanting a plug-and-play system or minimal setup.
Specs: Capacity 64,000 grains, Filter type Radial flow carbon, Installation Type Under sink, Bypass included, Tank dimensions 12″L x 12″W x 48″H, Weight 140 lbs.Pros:- High capacity 64,000 grains for large households
- Radial flow carbon filter reduces wide range of chemicals and odors
- Preloaded tank simplifies installation
Cons:- One part ships separately, delaying setup
- Installation complexity may require some plumbing skills
Best for: Homeowners who want a flexible, high-capacity system with both filtration and softening for the entire house.
Not ideal for: Small households or renters who prefer a straightforward, ready-to-go filter-softener combo with minimal assembly.
- Capacity:64,000 grains
- Filter Type:Radial flow carbon
- Installation Type:Under sink
- Bypass Included:Yes
- Tank Dimensions:12″L x 12″W x 48″H
- Weight:140 lbs
Bottom line: This system is ideal for those needing a powerful, customizable whole house filtration and softening setup willing to handle some installation effort.
PRO+AQUA PRO-E-S80E Elite Whole House Water Filtration System & 80,000 Grain Water Softener Combo – High-Capacity for Large Homes & Well Water
This model offers a substantial 80,000 grain softener capacity paired with a robust filtration system capable of handling well and municipal water. Compared with the Kenmore Elite 520, it provides higher grain capacity and a commercial-grade resin, making it better suited for high-demand households or well water. Its high flow rate of up to 20 GPM ensures consistent pressure across multiple fixtures, a significant advantage over smaller units. Maintenance is straightforward thanks to easy-access filter housings, but the system’s size and weight may be challenging for smaller spaces. It does not include advanced digital controls, so it’s more manual in operation. Best for large households or properties with high water demand looking for cost-effective, high-capacity softening and filtration. It may not be ideal for tight spaces or those who prefer smart, automated controls.
Specs: Capacity 80,000 grains, Flow Rate 20 GPM, Installation Type Whole house, Material Steel and resin, Dimensions 20″L x 15″W x 48″H, Warranty 5-year softener warranty.Pros:- Large 80,000 grain capacity for high-demand use
- High flow rate up to 20 GPM maintains pressure
- Easy maintenance with accessible filter housings
Cons:- Size and weight may limit installation options
- Lacks advanced digital controls for automation
Best for: Large households or properties with well water requiring high flow and capacity without complex digital controls.
Not ideal for: Small homes or renters needing a compact, easy-to-install system with smart features.
- Capacity:80,000 grains
- Flow Rate:20 GPM
- Installation:Whole house
- Material:Steel and resin
- Dimensions:20″L x 15″W x 48″H
- Warranty:5 years
Bottom line: This system is best suited for large households or high-demand properties seeking a high-capacity, high-flow softener and filter combo at a competitive price.
Kenmore Elite 520 Hybrid Water Softener & Whole House Filtration System – NSF-Certified 2-in-1 System
The Kenmore Elite 520 provides a space-saving solution that combines softening and filtration, with IntelliSoft AI technology that learns your household’s water usage. Compared to the others, it offers a smaller 31,000-grain capacity but excels in efficiency, reducing salt and waste through smart regeneration. Its NSF certification guarantees safety and performance, and the self-cleaning carbon media eliminates the need for cartridge replacements. However, the system’s capacity may be insufficient for larger families or high water needs, making it better suited for small to medium households. Its compact design allows installation in tight spaces, but this limits its overall throughput. This pick is ideal for smaller households prioritizing smart, low-maintenance operation with good-tasting water. It’s less suited for large families or homes with very hard water.
Specs: Capacity 31,000 grains, Flow Rate 1 GPM, Installation Type Compact, Self-cleaning media, NSF certified, 1-year warranty.Pros:- Space-saving compact design fits tight areas
- Smart IntelliSoft AI technology reduces salt and waste
- Self-cleaning filter eliminates cartridge replacements
Cons:- Lower capacity of 31,000 grains for larger households
- Flow rate of 1 GPM may be limiting for multiple fixtures
Best for: Small to medium households seeking a smart, space-efficient softener and filter with minimal maintenance.
Not ideal for: Large families or homes with very high water demand or extremely hard water needing larger capacity units.
- Capacity:31,000 grains
- Flow Rate:1 GPM
- Installation Type:Compact
- Certifications:NSF
- Warranty:1 year
- Self-cleaning:Yes
Bottom line: This system is perfect for small households wanting a smart, low-maintenance water treatment solution that saves space and reduces waste.
Aquasana Whole House Water Filter System | 1,000,000 Gallons | Salt-Free Softener Alternative | UV, Carbon & KDF | Tackles up to 99.99% Chlorine, Bacteria, Viruses, Sediment & Scale | EQ-1000-AST-UV
This system excels at providing clean, great-tasting water with a salt-free scale prevention technology, making it ideal for those seeking a chemical-free solution. Compared to the Kenmore or Fleck systems, it does not soften water but offers exceptional filtration, reducing chlorine, bacteria, and viruses. Its multi-stage filtration combines carbon, KDF, and UV light, tackling a broad spectrum of contaminants while preserving healthy minerals. The long lifespan of up to 1 million gallons and no backwashing or salt requirement make it a low-maintenance choice, but it’s less suitable for households with very hard water, as it doesn’t soften. The absence of softening means it won’t reduce hardness or scale buildup without additional treatment. This pick is best for those prioritizing chemical removal and scale prevention over water softness. It’s less ideal for homes with extremely hard water or needing softening.
Specs: Capacity 1,000,000 gallons, Filtration stages Multi-stage, Certification None specified, Dimensions 29″L x 23.25″W x 29″H, Weight 25.36 kg, Operating pressure 20-125 PSI.Pros:- Long lifespan up to 1 million gallons
- Salt-free scale prevention without backwashing
- Multi-stage filtration reduces broad spectrum contaminants
Cons:- Does not soften or remove hardness
- No specific certification for overall system performance
Best for: Homeowners seeking a long-lasting, salt-free filtration system that improves water taste and reduces contaminants without softening.
Not ideal for: Large households with very hard water needing softening or homes requiring scale removal directly through the system.
- Capacity:1,000,000 gallons
- Filtration Stages:Multi-stage
- Certification:None specified
- Dimensions:29″L x 23.25″W x 29″H
- Weight:25.36 kg
- Flow Rate:Up to 8 GPM
Bottom line: Ideal for those wanting a maintenance-free, chemical-free whole house filtration that prevents scale without softening water.
Kind Water Systems E-3000UV Whole House Salt-Free Water Softener & Filter Combo with UV
This compact system combines sediment and carbon filtration, salt-free softening, and UV sterilization, making it suitable for improving water quality and microbial safety. Compared with the Aquasana EQ-1000, it adds UV treatment, which neutralizes up to 99.9% of waterborne microorganisms, making it ideal for city water with microbial concerns. The system’s salt-free softening reduces scale buildup without discharge, but it does not address water hardness levels directly. Its straightforward operation and smaller size fit well into space-constrained areas, but flow rate and capacity are limited for large households. The UV feature offers extra security against bacteria and viruses, but it requires power and maintenance of the UV lamp. This system suits small to medium households wanting microbial protection and salt-free softening. It’s less appropriate for homes with very hard water or high flow needs.
Specs: Capacity 15 gallons, UV sterilization Yes, Dimensions 29″L x 23.25″W x 29″H, Weight ~25 kg, TDS max 1282 ppm, Flow rate 15 GPM.Pros:- Includes UV sterilization for microbial safety
- Salt-free softening reduces scale without discharge
- Compact size fits in limited spaces
Cons:- Limited capacity of 15 gallons
- Requires UV lamp maintenance and power
Best for: Small to medium households seeking microbial safety, scale prevention, and chemical reduction in city water supplies.
Not ideal for: Large households or homes with very hard water requiring actual water softening or high flow rates.
- Capacity:15 gallons
- UV Sterilization:Yes
- Flow Rate:15 GPM
- Dimensions:29″L x 23.25″W x 29″H
- Weight:~25 kg
- Maximum TDS:1282 ppm
Bottom line: This system is best for households prioritizing microbial safety and scale prevention without softening, in space-limited settings.
Aquasana Whole House Well Water Filter | 500K Gallons | UV, Carbon & KDF | Salt-Free Softener Alternative | Install Kit | Tackles up to 99.99% Chlorine, Bacteria, Viruses & Scale | EQ-WELL-UV-PRO-AST
This Aquasana system excels at delivering cleaner, healthier water from well sources, combining multi-stage filtration with UV, carbon, and KDF media to remove bacteria, viruses, and scale. Unlike the SpringWell model, which emphasizes comprehensive carbon and sediment filtration with a salt-free softener, this option is tailored for well water with high microbial contamination. Its salt-free technology prevents scale buildup without softening, which makes it ideal for those wanting to avoid salt and backwashing. However, this focus on bacteria and viruses means it doesn’t soften water in the traditional sense, so households needing significant mineral reduction might find it lacking. The system’s longevity—up to 500,000 gallons—means fewer replacements, but it’s best suited for water with moderate hardness and iron levels. Overall, this pick makes sense for well owners prioritizing microbial safety without the need for softening.
Pros:- Effective multi-stage filtration for bacteria, viruses, and scale control
- Salt-free system avoids backwashing and salt bags
- Long-lasting media life up to 500,000 gallons
Cons:- Does not soften water or reduce mineral content significantly
- Best suited for water under 15 gpg hardness, limiting its use with very hard water
Best for: Homeowners with well water concerned about bacteria, viruses, and scale, seeking a salt-free, multi-stage filtration solution.
Not ideal for: Households with very hard water needing significant mineral removal or softening, or those requiring high flow rates for large homes.
- Gallons Capacity:500,000 gallons
- Filtration Stages:Carbon, KDF, UV
- UV Power:UV sterilization included
- Scale Control:Salt-free media
- Best for Hardness:Under 15 gpg
- Installation:Whole house
Bottom line: This system is ideal for well owners prioritizing microbial safety and scale prevention without softening.
Aquasure 64,000 Grains Whole House Water Filter Bundle with Automatic Digital Metered Control Softener and 75 GPD RO Reverse Osmosis Drinking System
This Aquasure bundle combines a 64,000 grain softener with a reverse osmosis drinking system, making it a strong choice for households of 4-6+ people seeking both softened water and high-quality drinking water. Compared with the SpringWell system, which emphasizes simple multi-stage filtration, this package offers an integrated approach that tackles hard minerals while providing purified water at the tap. Its automatic metered control reduces salt and water waste, but the complexity and size may be overkill for smaller homes. Maintenance involves regular resin regeneration and filter replacement, which can be more involved than simpler systems. Nonetheless, it delivers reliable softening and filtration, making it well suited for families with hard water concerns and high water usage. This makes it a balanced choice for those needing both soft water and drinking water purity.
Pros:- Combined softening and reverse osmosis for comprehensive water treatment
- High capacity for large household needs
- Automatic metered control reduces salt and water waste
Cons:- Requires regular resin regeneration and filter changes
- Larger footprint may be challenging to install in tight spaces
Best for: Families in medium-sized homes with hard water, requiring both softening and drinking water filtration.
Not ideal for: Small households or those seeking a purely salt-free, maintenance-free system, due to the complexity and ongoing maintenance.
- Grain Capacity:64,000 grains
- RO Output:75 GPD
- Flow Rate:Variable
- Warranty:Up to 5 years
- Treatment Type:Softening + RO
- Household Size:4-6+
Bottom line: This system suits larger households needing reliable softening and purified drinking water in one package.
SpringWell Whole House Water Filter Cartridge System – Carbon + Sediment Filter + Salt Free Softener + VOCs/Lead
The SpringWell system offers a comprehensive filtration package, combining carbon, sediment, and a salt-free scale control media to address a broad spectrum of contaminants. Compared to the Aquasana Well Water Filter, which emphasizes microbial safety and well-specific issues, SpringWell’s focus on removing chloramine, VOCs, lead, and pesticides makes it more suitable for city water or contaminated sources. Its template-assisted crystallization technology prevents scale buildup without sacrificing minerals, unlike traditional water softeners. Maintenance is straightforward, with filters needing replacement annually, and it maintains consistent flow without pressure drops. Despite its versatility, this model doesn’t soften water in terms of mineral reduction, so if your main concern is soft water, a dedicated softener might be preferable. It’s an excellent choice for those prioritizing organic contaminant removal and scale prevention in a single system.
Pros:- Broad contaminant removal including lead, VOCs, and pesticides
- Salt-free scale prevention without pressure loss
- Easy annual filter replacement
Cons:- Does not soften water in mineral content or hardness
- Less effective for very hard water compared to traditional softeners
Best for: Homeowners seeking comprehensive contaminant removal with scale control, especially in urban or contaminated water areas.
Not ideal for: Households needing significant mineral reduction or traditional softening with salt, or those with very high water hardness.
- Filtration Stages:Carbon, sediment, scale reducer
- Micron Rating:.5 micron
- Contaminants Removed:Lead, VOCs, chloramine
- Scale Control:Template-assisted crystallization
- Flow Rate:High flow, no pressure drop
- Maintenance:Annual filter changes
Bottom line: This system is best for those wanting organic contaminant reduction and scale control without salt or pressure drops.

How We Picked
These products were evaluated based on performance, durability, ease of installation, maintenance requirements, and overall value. Priority was given to systems that effectively combine filtration and softening into a single unit, reducing complexity and space. We also considered capacity relative to typical household sizes, as well as features like automation, bypass valves, and certification standards. Products that offer high reliability and user-friendly operation ranked higher, while tradeoffs such as higher costs or more complex setups influenced the final order. Our goal was to identify options suitable for a range of needs—from small homes to large households with well water—ensuring each product offers a clear advantage in its category.Factors to Consider When Choosing Best Whole House Filter And Softener Combo
Choosing the best whole house filter and softener combo involves understanding key factors that impact performance, longevity, and cost. A well-chosen system should match your water quality, household size, and budget, while providing reliable protection against common water issues like hardness, chlorine, and sediment. Here are the most important considerations to keep in mind:Capacity and Water Hardness
Matching the system’s capacity to your household’s water usage and hardness level is critical. Larger families or homes with very hard water benefit from higher grain ratings and larger tanks, reducing the frequency of regeneration and maintenance. Oversized units may be unnecessary and more costly, while undersized systems can lead to frequent service calls and inconsistent water quality.
Filtration and Softening Technology
Deciding between salt-based and salt-free softeners hinges on your priorities. Salt-based systems excel at removing hardness and often improve water taste, but require ongoing salt refilling and maintenance. Salt-free alternatives are lower maintenance and better for the environment but may not soften water as effectively, especially in very hard conditions. Consider your water quality goals when choosing between these options.
Installation and Space Requirements
Some systems are compact and designed for easy installation, while others demand more space or professional setup. Evaluate your home’s available space and your comfort with DIY installation. Integrated units that combine filtration and softening can save space but might be more complex to set up initially.
Maintenance and Operating Costs
Routine maintenance varies significantly—salt-based systems need regular salt refills, while salt-free models often require less upkeep. Consider long-term costs like salt, replacement filters, and electricity. A system with user-friendly controls and clear maintenance indicators can reduce ongoing effort and expense.
Certifications and Water Quality Guarantees
Look for products certified by organizations such as NSF or ANSI, which verify claims about contaminant reduction and safety standards. Certifications add confidence that the system will perform as advertised and meet safety guidelines, especially when filtering for bacteria, viruses, or chemical contaminants.
Frequently Asked Questions
Can I install a whole house filter and softener myself?
Many models are designed for DIY installation, especially those with clear instructions and modular components. However, for systems involving complex plumbing or high water pressure, professional installation is recommended to ensure proper setup and avoid leaks. Proper installation is essential for system longevity and performance, so consider your plumbing skills and the complexity of the unit before proceeding.
How often do I need to service or replace filters and media?
This depends on water usage and quality, but typically, filters should be replaced every 6-12 months, and salt or media refills are needed every few months for salt-based systems. High-capacity units can extend service intervals, reducing maintenance frequency. Regular checks and following manufacturer guidelines help maintain optimal water quality and system efficiency.
Will a salt-free system soften my water?
Salt-free systems do not technically soften water but instead condition it to prevent scale buildup. They are effective at reducing mineral deposits and are low maintenance, but they might not be suitable if your primary goal is to eliminate hardness entirely. For very hard water, a traditional salt-based softener may still be necessary.
What size system do I need for a large household?
Large households with high water demand should look for systems rated at 80,000 grains or higher, with larger tanks and higher flow rates. Multi-stage systems or those with higher capacity media ensure consistent performance without frequent regeneration. Proper sizing prevents pressure drops and maintains water quality across all fixtures.
Are these systems safe for well water?
Yes, many of these systems are designed to handle well water, especially models with advanced filtration and UV sterilization features. When dealing with well water, it’s important to test for specific contaminants like iron, manganese, or bacteria and choose a system that includes appropriate pre-filtration or sterilization options. Proper maintenance is key to ensuring safe, clean water from well sources.
Conclusion
For most homeowners, the Combo System Fleck Whole House 64k Water Softener offers a reliable blend of capacity, ease of use, and affordability, making it the best overall pick. Those with larger homes or well water should consider the PRO+AQUA PRO-E-S80E for its higher capacity and versatility. If prioritizing chemical-free, low-maintenance options, the Aquasana EQ-1000-AST-UV suits well water and chemical-sensitive households. Beginners or those on a tighter budget might find the SpringWell Whole House Water Filter Cartridge System provides excellent value. Ultimately, your choice depends on your specific water quality, home size, and maintenance preferences—consider these factors carefully to select the best combo for your needs.







