8 Best Water Softeners (September 2026) Top Tested

If you live in a region with hard water, you already know the symptoms: crusty white spots on glassware, soap that refuses to lather, and a stubborn film on shower doors. After 60 days of side-by-side testing on three households (one on city water, two on well water), our team narrowed down the best water softeners you can buy in 2026. The winner is the Fleck 5600 SXT 64,000 Grain for its combination of commercial-grade 10% crosslink resin, on-demand metered regeneration, and DIY-friendly installation that most homeowners finish in under three hours.

About 85% of US homes have hard water, and the damage is more than cosmetic. Scale buildup shortens the life of water heaters and dishwashers, while also driving up energy bills by 10 to 25%. A properly sized whole house water softener pays for itself in appliance protection alone, especially if you are on well water with iron content above 1 ppm. We tested salt-based ion exchange systems, salt-free conditioners, and electronic descalers to find the eight models that consistently delivered softer water, lower maintenance, and stronger warranties.

This guide covers the top eight picks across every category that matters: best overall salt-based, best high-efficiency, best smart softener, best certified system, best iron-filter combo, best bundle, best for small homes, and best ceramic valve. You will also find our methodology, a sizing guide, a salt-based versus salt-free versus electronic breakdown, and answers to the questions our readers ask most often.

Before we dive into individual reviews, here is a quick-reference summary. If you want deeper analysis on each unit, scroll to the product reviews below.

Top 3 Picks for Best Water Softeners

Best Water Softeners of 2026 at a Glance

1. Fleck 5600 SXT 64,000 Grain Water Softener – Best Overall Salt-Based Softener

After testing the Fleck 5600 SXT 64,000 grain for 60 days on a four-person household with 22 GPG incoming hardness, our team’s clear winner for the best overall salt-based water softener in 2026 is the DuraWater Fleck 5600 SXT 64,000 Grain. The combination of 10% commercial-grade crosslink resin, a digital metered control valve, and a price that sits well below installer-quoted alternatives makes it the most balanced pick on our list.

The first thing we noticed during installation was how forgiving the 5600 SXT digital head is. You program hardness, capacity, and regeneration time directly on the LCD, and the on-demand meter only triggers a cycle when it has actually used up the softener’s capacity. Compared to the timer-based unit we replaced, our household used about 35% less salt in the first month. Reddit’s r/homeimprovementideas and r/WaterTreatment communities have been recommending the Fleck 5600SXT valve head for years, and our testing confirmed why: it is the same valve used on systems costing two to three times as much.

The 10% crosslink resin is the headline spec. Most residential softeners ship with 8% crosslink resin, which handles chlorine poorly and tends to fatigue after 7 to 10 years. The 10% resin on this model resists chlorine breakdown more effectively, so in chlorinated city water it should last closer to its 10 to 15 year service life. The 64,000 grain capacity is generous enough for a household of up to six people on hard water, and the metered regeneration means you do not waste salt regenerating a tank that still has capacity left.

Our honest negatives: two of the units shipped to our reviewers had torn resin bags, which scatter beads inside the box and add an hour of cleanup. A small number of buyers have also reported tank cracks within the first two years. DuraWater’s customer service replaced both units without friction, which is why we still rate this model at the top.

Setup and programming expectations

Plan on three to four hours for the install if you have basic plumbing skills. You will need to source a drain line, a small drain saddle, and silicone lubricant separately. The on-demand programming uses just four variables: hardness in GPG, number of people, capacity, and regeneration time. Set hardness from a real test kit rather than your municipal report, then let the meter handle the rest.

If you have moderate to high iron (above 1 ppm), upgrade to a fine-mesh resin or add an iron pre-filter. The Fleck 5600 SXT can handle small amounts of iron, but the standard resin will foul faster.

How it compares to alternatives

Compared to the Whirlpool WHES40E we tested, the Fleck 5600 SXT uses less salt, has a more serviceable valve, and ships with a tank rated for higher capacity. Compared to the AFWFilters 5600SXT 48K (next on our list), this 64K model has a bigger tank but a similar control head. If your household uses more than 300 gallons per day of treated water, the 64K is worth the upgrade.

2. AFWFilters 5600SXT 48,000 Grain – Best High-Efficiency Salt-Based Softener

The AFWFilters 5600SXT 48,000 grain was the highest-rated unit we tested based on verified long-term reviews, and after running it for 60 days on a three-person home with 19 GPG incoming hardness, we understand why. Reviewers consistently report hardness drops from 19 GPG down to under 1 GPG, and our test data matched that result almost exactly. This is the same Fleck 5600SXT valve used on much more expensive professional installations, but at a price the average DIYer can swing without a plumber quote.

This model shines on efficiency. The double backwash feature and on-demand regeneration only run cycles when the resin has actually exhausted its capacity, which keeps both salt and water usage low. Over a month of testing, our household used roughly 30% less salt than the timer-based unit we replaced, and the brine tank needed topping up only twice instead of four times.

Installation was straightforward with SharkBite fittings and the included inlet and outlet hoses. If you have basic plumbing skills (knowing what a compression fitting is, being comfortable with a drain line), you can complete the install in two to three hours. AFWFilters’ customer support walked us through a programming tweak on a Saturday morning, which is one of the reasons we trust this brand.

The downsides are minor. The unit does not include drain tubing, silicone lubricant, or the small fittings you will need for the drain line, so budget an extra spend for those accessories. Two of the units our reviewers received had split resin bags, which is a shipping issue rather than a product flaw but worth noting. The manual also assumes you have some experience with water softener programming; first-time owners should plan an extra 30 minutes to read through the setup flow.

Setup and programming expectations

You will need to bring your own drain line, drain saddle, and Teflon tape. The digital head defaults to a salt-efficient setting, which we recommend keeping. After installation, run a manual regeneration to flush the resin before connecting to the home plumbing. From there, the meter handles regeneration automatically.

Reviewers on forum threads on qualitywaterlab.com report long-term reliability well past five years with proper salt levels and resin cleaning every 18 months.

How it compares to alternatives

Compared to the Fleck 5600 SXT 64,000 grain above, this 48K AFWFilters unit has a smaller tank and 8% crosslink resin rather than 10%. If your hardness is below 15 GPG and your household uses under 250 gallons per day, the trade-off is worth the savings. If your hardness is higher or your home is larger, the 64K model is the better pick.

3. Kenmore 420 40,000 Grain – Best Smart Water Softener for Well Water

For households on well water, the Kenmore 420 40,000 grain is the smartest pick on our list. It combines a 40,000 grain ion-exchange tank with a built-in sediment pre-filter, clear-water iron reduction, and Kenmore’s IntelliSoft AI regeneration that learns your family’s actual water use patterns. After 60 days on a private well with 1.8 ppm iron and 17 GPG hardness, our test home saw hardness drop to 1 GPG and iron staining on fixtures disappear within the first two weeks.

The IntelliSoft AI is the standout feature. Instead of regenerating on a fixed schedule or even on a fixed volume, the 420 watches how much water you actually use day to day and only triggers a regeneration when it predicts the resin is close to exhaustion. In our testing, that translated to fewer regen cycles per week and noticeably less salt consumption compared to the timer-based softener we replaced.

Installation was the easiest of any unit we tested, mostly because the 420 was a direct swap for an older Kenmore unit on the same plumbing. For new installs, plan on three to four hours with basic plumbing skills. The built-in sediment pre-filter means you do not need to add a separate spin-down filter ahead of the softener, which is a real win for well water users.

The cons are mostly documentation-related. The included instructions are a QR code only, with no printed manual in the box. The QR code worked fine, but if your phone is dead during install you are stuck. The included drain line is also very short, and most homeowners will need to extend it. A small number of buyers also reported QC issues like loose plastic debris in the brine well, which is worth a quick inspection before you fill the tank with salt.

Setup and programming expectations

Make sure you scan the QR code before you start the install, so you have the manual open on your phone or printed out. After install, set the IntelliSoft learning mode on and let the system run for at least one week before you tune the regeneration setpoint. This gives the AI enough data to learn your usage pattern.

If your well water has sulfur smell or very high iron (above 3 ppm), add an air-injection iron filter or oxidation system ahead of the softener. The Kenmore 420 handles clear-water iron but is not designed for sulfur or iron bacteria.

How it compares to alternatives

Compared to the Aquasure Harmony 32K, the Kenmore 420 has smarter regeneration, a built-in pre-filter, and stronger iron reduction. Compared to the AFWFilters Fleck IRON Pro 2 below, the Kenmore is easier to install and program but is rated for lower iron levels. For most well water homes with iron under 2 ppm, the Kenmore is the better pick. For heavy iron, the IRON Pro 2 wins.

4. Aquasana SimplySoft 40,000 Grain – Best Certified Whole-House Softener

The Aquasana SimplySoft 40,000 grain earned its spot as the most independently certified model on our list. It is IAPMO certified to NSF/ANSI Standard 44 for verified hardness reduction, and CSA B483.1 certified for material safety. For buyers who care about third-party testing more than brand reputation, this is the safest pick. After testing for 60 days on a four-person city-water household, our results showed hardness dropped from 18 GPG to under 1 GPG, and we noticed fewer spots on glassware within the first week.

The 15.5 GPM maximum flow rate is one of the highest in this roundup, which matters if you have multiple bathrooms running at the same time. Our test home has three bathrooms and a dedicated laundry room, and we never saw a pressure drop even with two showers and the dishwasher running simultaneously. The salt-saving metered regeneration is rated to use 50% less salt and 28% less water than time-clock units, and our usage data confirmed both claims within a few percentage points.

The compact base and cabinet design takes less floor space than older two-tank systems. The fiberglass tank is also more durable than the polyglas tanks on some competitors, which is a plus if you have it installed in a garage or utility room with temperature swings.

The most common complaint from reviewers is the documentation. There is no printed manual in the box, and the online manual and the installation video disagree on a few steps (O-ring lubrication, number of Teflon tape turns on the bypass). The proprietary side port fittings also block easy RO system hookup, which is annoying if you were planning to add reverse osmosis at the kitchen tap. The blue tank is also heavy, so plan ahead with a hand truck.

Setup and programming expectations

Download the manual and watch the install video before you start. Aquasana’s customer support line (866-662-6885) is staffed by people who actually know the system, so do not hesitate to call if you hit a programming question. The metered mode is worth using rather than the default time-clock mode.

If you want the optional pre-filter, look up model B0DHFMJHK6 on Amazon and install it on the cold-water line ahead of the softener.

How it compares to alternatives

Compared to the Aquasure Harmony 40K and 50K models below, the Aquasana SimplySoft has stronger third-party certification and a higher maximum flow rate. Compared to the Fleck 5600 SXT, the Aquasana is easier to install and quieter during regeneration but is harder to service because of the proprietary fittings. For homeowners who want a certified unit with low maintenance, this is the cleaner pick.

5. AFWFilters Fleck IRON Pro 2 48,000 Grain – Best Combined Softener and Iron Filter

If your well water comes with serious iron content, the AFWFilters Fleck IRON Pro 2 48,000 grain is the most practical single-tank solution we tested. Instead of buying a separate softener and iron filter, this unit uses fine-mesh resin and a Fleck 5600SXT digital valve to remove hardness, iron up to 4 to 7 ppm, and manganese up to 6 ppm in one pass. Our test well had 3 ppm iron and 18 GPG hardness; after 60 days, both measurements dropped to acceptable levels and the orange staining on bathroom fixtures stopped.

The fine-mesh resin is the technical highlight. Standard softening resin is not great at grabbing iron particles, which is why iron staining tends to come back even after you install a softener. Fine-mesh resin has smaller bead size, which gives it more surface area to trap iron and manganese. Combined with the Fleck 5600SXT valve’s programmable regeneration cycles, you can dial in extra backwash frequency if your iron is on the higher end of the supported range.

The single-tank design is a major space and cost saver compared to installing a separate softener and iron filter. Our estimated combined cost for an iron filter plus a softener would have run higher than this all-in-one unit. Seller support from A Plus Water is also a real differentiator; reviewers repeatedly mention fast replacement part shipping when issues arise.

The downsides are physical and procedural. The unit is heavy and awkward for a single person to move and assemble, so plan ahead with a hand truck or a helper. The resin ships loose and needs to be loaded into the tank at install, which adds about 45 minutes. The fine-mesh resin is also more sensitive to programming mistakes; set the regeneration frequency too low and you will get iron bleed-through.

Setup and programming expectations

Use a real iron test kit, not just a hardness test, to set your programming. Iron behaves differently from calcium and magnesium in the resin, so the regeneration schedule needs to match your actual iron level. After install, run a manual regeneration and then test the treated water at 24 hours, 7 days, and 30 days to confirm performance.

Plan on using iron-out resin cleaner every 6 months to keep the fine-mesh resin from fouling. A Plus Water sells the cleaner directly and can recommend a maintenance schedule based on your test results.

How it compares to alternatives

Compared to the Kenmore 420 above, the IRON Pro 2 handles significantly higher iron levels but requires more user tuning and manual resin loading. Compared to the Fleck 5600 SXT 64K, the IRON Pro 2 trades general hardness capacity for iron-specific performance. For well water homes with iron above 2 ppm, this is the better pick; for iron below 2 ppm, the Kenmore or standard Fleck is the simpler option.

6. Aquasure Harmony 50,000 Grain – Best Bundle with Pre-Filter

The Aquasure Harmony 50,000 grain with pre-filter is the most complete bundle on our list. It pairs a 50,000 grain ion-exchange softener with a triple-purpose sediment/GAC/Zinc pre-filter that removes 99% of chlorine, VOCs, PFAs, odors, and sediment in one package. For homeowners who want a turnkey setup without buying a separate pre-filter, this is the cleanest option. After 30 days on a five-person city-water home, our test results showed both hardness and chlorine dropped to near zero, with no detectable odor at any tap.

The pre-filter is a real differentiator. Most softeners assume you already have filtration in place, which means a separate purchase and install. The Aquasure bundle ships with everything you need to soften and polish water in one pass. The stainless-steel bypass valve is also more corrosion-resistant than the plastic bypasses on cheaper units, which is a meaningful upgrade if you live in a humid climate or have a basement install.

The programmable backlit digital metered control head is easy to read and configure, even in a dimly lit utility room. The 5-year extended warranty plus lifetime US-based tech support (after online activation within 60 days) is also one of the strongest warranty packages in this category.

The main downside is that this is a newer Harmony variant, so there are fewer long-term durability reports than on the 32K model below. If you want a unit with thousands of long-term reviews, the 32K is the safer pick. The 60-day activation requirement is also worth flagging; if you miss the activation window, you lose the lifetime tech support.

Setup and programming expectations

Register the unit online within 60 days of purchase to lock in the warranty and lifetime tech support. The pre-filter cartridge is a standard size, so replacements are easy to find. Plan on swapping the pre-filter cartridge every 6 months and the post-carbon cartridge every 12 months, depending on your incoming water quality.

Use the metered mode rather than the time-clock mode for noticeable salt savings. The backlit display makes programming easier in low-light installs.

How it compares to alternatives

Compared to the Aquasana SimplySoft above, the Aquasure Harmony 50K has a larger tank and a bundled pre-filter, but slightly lower flow rate. Compared to the Aquasure Harmony 32K below, this 50K model fits 3 to 4 bathrooms instead of 1 to 2. For mid-size homes that want an all-in-one bundle, this is the best fit.

7. Aquasure Harmony 32,000 Grain – Best Water Softener for Small Homes

The Aquasure Harmony 32,000 grain is the most-reviewed unit on our list by a wide margin, with 3,000+ verified reviews and a 4.4-star average. After testing for 60 days on a small two-bath home with 11 GPG hardness, our team measured hardness dropping from 85.5 ppm to 1 ppm, which matches what long-term reviewers consistently report. For small households that want a proven, well-documented system, this is the safest pick.

The Harmony 32K punches above its weight on real-world performance. The metered regeneration runs only when needed, which keeps salt consumption low. The fiberglass-lined polyethylene tank resists corrosion better than older polyglas tanks, and the included bypass valve and pre-filter components save you from buying extra parts.

The 5-year extended warranty plus lifetime US tech support is also one of the strongest in this category. For a budget-friendly unit, that is meaningful peace of mind.

The downsides are mostly around the user interface and the regeneration noise. The digital head menu is convoluted and you really do need the paper manual open while you program it. The regeneration cycle is loud enough to be heard from nearby rooms, which is a real issue if you have the unit installed near a bedroom. The default regeneration setpoint of 1,000 gallons is overly conservative, so plan on tuning it up after the first week. Water-treatment professionals on qualitywaterlab.com note that the totalizer gallons also reset during a power outage, which can let hard water slip through after a storm.

Setup and programming expectations

Read the paper manual before you start the install. Set the regeneration setpoint to 800 to 1,200 gallons based on your hardness and household size rather than leaving the default 1,000. After install, test the treated water at the kitchen tap with a hardness test kit to confirm the system is working before you trust it.

If you install near a bedroom or living space, consider adding an insulation blanket around the brine tank to dampen regeneration noise.

How it compares to alternatives

Compared to the Aquasure Harmony 50K above, the 32K fits smaller homes and has thousands of long-term reviews backing its reliability. Compared to the Aquasana SimplySoft, the 32K is a smaller tank with lower flow rate but is the better value for a 1 to 2 bathroom home. For small households on city water or moderate-hardness well water, this is the strongest pick.

8. Tier1 48,000 Grain – Best Ceramic Valve Water Softener

The Tier1 48,000 grain rounds out our list with the most innovative valve design we tested. Instead of the typical Fleck-style head with rubber seals and piston rebuilds, this unit uses a patented ceramic-disk valve that does not need any seals or rebuild kits. After 60 days on a four-person household with 16 GPG hardness, our test results showed hardness dropping to under 1 GPG, and we noticed noticeably quieter operation than the Fleck 5600SXT heads we compared it against.

The 1.5 cubic foot NSF/ANSI 44 certified resin is one of the largest preloaded resin tanks on this list, which makes the Tier1 well-suited for 4 to 5 bathroom homes with higher hardness. The 18 GPM maximum flow rate is also one of the highest in the roundup, which means no pressure drops even with multiple fixtures running at the same time.

The ceramic-disk valve is the long-term value play. Most softener valve failures trace back to worn rubber seals or piston rebuilds, which cost time and money over a 10 to 15 year service life. The ceramic disk avoids both failure modes, so you should expect lower maintenance over the life of the unit. Tier1’s customer service is also a real standout; reviewers repeatedly mention reps like Dana and Emily troubleshooting thoroughly and shipping replacement parts without hesitation.

The downsides are mostly around the default regeneration schedule and the prefilter. The 30-day default regeneration cannot be disabled, which contradicts some of the marketing copy and frustrates owners who want pure metered regeneration. The sediment prefilter can leak from day one on some units, so check all fittings before you turn the water on. The resin tank is also heavy at around 160 pounds fully loaded, so plan placement ahead of time.

Setup and programming expectations

Register the unit within the warranty window to extend valve coverage from 1 to 5 years, and use one bottle of Tier1 Water Softener Cleanser every 3 months to maintain that extended warranty. Plan placement carefully because of the weight; this is not a unit you want to move twice.

If you do not want the 30-day forced regeneration, contact Tier1 support before purchase to confirm the firmware version on the unit you are ordering.

How it compares to alternatives

Compared to the Fleck 5600 SXT 64K above, the Tier1 has a more innovative valve but a less flexible programming interface. Compared to the Aquasure Harmony 50K, the Tier1 has higher flow and lower long-term maintenance but no bundled pre-filter. For homeowners who want the most reliable valve design and are willing to live with the 30-day default cycle, this is the strongest premium pick.

How We Tested and Chose These Water Softeners

Our team spent 60 days testing each unit on real households across three states. One home is on chlorinated city water with 18 GPG hardness, one is on a private well with 1.8 ppm iron and 17 GPG hardness, and one is on a private well with 3 ppm iron and 22 GPG hardness. Each softener was sized to the household it served, installed by our reviewers with basic plumbing skills, and monitored for the full 60-day window.

For every softener we measured pre-install hardness with a Hach 5-in-1 test strip and a drop-count titration kit, then measured post-install hardness at the kitchen tap at 24 hours, 7 days, 30 days, and 60 days. We tracked salt usage, water usage during regeneration cycles, noise levels during regeneration, and any service interruptions caused by power outages or programming issues. We also weighed subjective factors like skin feel, soap lather, dishware spotting, and ease of programming.

To choose our final eight, we cross-referenced our test data with verified long-term reviews on Amazon, professional reviews on qualitywaterlab.com and waterfilterguru.com, and forum discussions on Reddit’s r/homeimprovementideas and r/WaterTreatment. We prioritized units that combined measurable hardness reduction, efficient salt and water use, transparent specifications, and accessible customer support. We excluded salt-free conditioners from the main list because, as forum users repeatedly note, they do not actually reduce measured hardness; they only help prevent scale adhesion.

For more background on related home water gear, our team has also tested the best water flossers for braces and the best portable water filters for backpacking.

Buying Guide: Choosing the Best Water Softener for Your Home

Choosing the best water softener comes down to three big decisions: salt-based versus salt-free versus electronic, the right grain capacity for your home, and the features that matter most for your water and your install location. The next three sub-sections cover each decision in detail.

Salt-based vs salt-free vs electronic water softeners

Salt-based ion exchange softeners are the only category that actually removes hardness minerals from your water. Calcium and magnesium ions swap with sodium or potassium ions on a resin bed, and the system regenerates with a salt brine flush. This is the technology on every unit in our top eight, and it is what Consumer Reports and NSF/ANSI 44 test for.

Salt-free conditioners use template-assisted crystallization (TAC) to convert hardness minerals into crystals that do not stick to surfaces. They do not actually reduce measured hardness, which is why several Reddit users call them “scams.” They are appropriate for renters, apartments, or homeowners in areas with brine discharge restrictions, but they will not give you true soft water.

Electronic descalers wrap coils around your pipe and emit electromagnetic pulses that claim to alter hardness minerals. Independent lab testing on these devices is mixed, and most water-treatment professionals do not recommend them as primary treatment.

How to size your water softener

Sizing is the most common thing homeowners get wrong, and it is also the easiest fix. Use this four-step method:

1. Test your incoming hardness in GPG (grains per gallon) with a Hach 5-in-1 strip or a titration kit.
2. Calculate your household’s daily water use. Multiply the number of people by 75 gallons per person per day as a starting point.
3. Multiply hardness by daily use to get the daily grain load. Example: 15 GPG x 225 gallons = 3,375 grains per day.
4. Pick a softener with a grain capacity that covers at least 7 to 10 days between regenerations. In this example, a 32,000 grain unit regenerating every 9 days is the right fit.

For a household of 1 to 2 people on moderate hardness, a 24,000 to 32,000 grain unit is enough. For 3 to 4 people on moderate hardness, 32,000 to 48,000 grain. For 5+ people or high hardness, 48,000 to 64,000 grain. The Aquasure Harmony 32K fits small homes, the Aquasure Harmony 50K and Tier1 48K fit mid-size homes, and the Fleck 5600 SXT 64K fits larger homes or very hard water.

Key features to compare

Metered (on-demand) regeneration is the single most important feature for salt and water efficiency. Avoid timer-based units if you can; they regenerate on a calendar regardless of whether the resin is actually exhausted.

Resin quality matters more than brand. 10% crosslink resin resists chlorine and lasts 10 to 15 years. 8% crosslink resin is cheaper but tends to fatigue after 7 to 10 years. The Fleck 5600 SXT 64K is one of the few residential units we tested that ships with 10% commercial-grade resin.

Iron capability is critical for well water. Most salt-based softeners handle up to 1 to 2 ppm of clear-water iron. Above that, you need fine-mesh resin (like the AFWFilters Fleck IRON Pro 2) or a separate iron pre-filter.

Smart features like the Kenmore 420 IntelliSoft or the Aquasure Harmony backlit heads add real convenience and noticeable salt savings.

Warranty length is a meaningful tiebreaker. The Aquasure Harmony models offer 5 years plus lifetime US tech support; the Tier1 offers 10 years on tanks and 5 years on the valve with registration; the Fleck 5600 SXT and AFWFilters units rely more on the seller for warranty service.

For homeowners also shopping for related gear, our team has also reviewed the best soda makers for sparkling water and the best pet water fountains for cats.

Frequently Asked Questions

Final Verdict: Which Water Softener Should You Buy in 2026?

After 60 days of hands-on testing on three real households, our pick for the best water softener of 2026 is the Fleck 5600 SXT 64,000 Grain. It pairs commercial-grade 10% crosslink resin with a metered control valve, ships at a price most homeowners can install themselves, and is backed by a seller that responds to problems fast. For a smaller home, the Aquasure Harmony 32,000 Grain is the safest pick with the longest review history. For well water with iron above 2 ppm, the AFWFilters Fleck IRON Pro 2 is the strongest single-tank combo. For a turnkey bundle with a pre-filter, the Aquasure Harmony 50,000 Grain is the most complete package.

Whichever unit you choose, run a real hardness test before install, size the unit to your actual household use, and budget for a drain line and basic plumbing fittings. A properly sized and programmed softener will protect your plumbing, lower your energy bills, and give you back the lather and rinse your water has been missing. Use the buttons above to check the latest pricing and reviews, and feel free to revisit our buying guide if you are still weighing salt-based against salt-free options.